REFR / Research Frontiers Incorporated - Документы SEC, Годовой отчет, Доверенное заявление

Исследовательская компания Frontiers Incorporated
US ˙ NasdaqCM ˙ US7609111072

Основная статистика
CIK 793524
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Research Frontiers Incorporated
SEC Filings (Chronological Order)
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August 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES AND EXCHANGE ACT OF 1934 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant

June 13, 2025 8-K

Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 12, 2025 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) delaware 000-14893 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOY

May 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES AND EXCHANGE ACT OF 1934 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registran

April 30, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

April 16, 2025 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Amendment No. 1 to FORM 10-K/A ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REFR Amendment No. 1 to FORM 10-K/A ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Commission File Number 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisd

April 16, 2025 EX-97

Executive Compensation Recovery (Clawback) Policy effective as of October 2, 2023. (filed herewith)

Exhibit 97 Research Frontiers Incorporated Compensation Recovery (Clawback) Policy 1.

March 6, 2025 EX-10.5-7

Seventh Amendment to Lease dated November 18, 2024 between the Company and CLK-HP 230-240 CROSSWAYS PARK LLC and LAKE PARK 230-240 CROSSWAYS PARK LLC. Previously filed as an exhibit to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024.

Exhibit 10.5.7

March 6, 2025 EX-21

Subsidiary of the Registrant - SPD Enterprises, Inc.

Exhibit 21 State or Country of Organization Subsidiary of the Registrant: SPD Enterprises, Inc. Delaware

March 6, 2025 EX-10.5-6

Sixth Amendment to Lease dated May 16, 2016 between the Company and CLK-HP 230-240 CROSSWAYS PARK LLC and LAKE PARK 230-240 CROSSWAYS PARK LLC. Previously filed as an exhibit to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024.

Exhibit 10.5.6

March 6, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or

November 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended September 30, 2024 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporati

August 1, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2024 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or

June 14, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 13, 2024 RESEARCH FRONTIERS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 13, 2024 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) delaware 000-14893 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOY

May 9, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2024 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation o

April 26, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

March 7, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or

March 7, 2024 EX-21

Subsidiary of the Registrant - SPD Enterprises, Inc.

Exhibit 21 State or Country of Organization Subsidiary of the Registrant: SPD Enterprises, Inc. Delaware

November 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended September 30, 2023 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporati

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2023 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or o

June 12, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 8, 2023 RESEARCH FRONTIERS I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 8, 2023 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) delaware 000-14893 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOYE

June 5, 2023 EX-99.1

Eyal Peso, CEO of Smart Materials Company Gauzy, Ltd. Joins Board of Directors of Smart Glass Leader Research Frontiers

Exhibit 99.1 Eyal Peso, CEO of Smart Materials Company Gauzy, Ltd. Joins Board of Directors of Smart Glass Leader Research Frontiers Woodbury, New York and Tel Aviv/Jaffo, June 5, 2023 – Research Frontiers Inc. (Nasdaq: REFR) and Gauzy Ltd. announced today the appointment of Eyal Peso to the Research Frontiers Board of Directors effective June 4, 2023. Mr. Peso, age 43, is the Co-Founder, Chairman

June 5, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUAANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 4, 2023 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) delaware 000-14893 11-2103466 (STATE OR OTHER (COMMISSION (IRS EMPLOYER JURISDICTI

May 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2023 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or

April 28, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

March 9, 2023 EX-4.2

Restated and amended Stockholder Protection Rights Agreement between Research Frontiers Incorporated and Continental Stock Transfer & Trust Company, as Rights Agent, dated February 11, 2023 - Filed herewith.

Exhibit 4.2 RESTATED AND AMENDED STOCKHOLDER PROTECTION RIGHTS AGREEMENT RESTATED AND AMENDED STOCKHOLDER PROTECTION RIGHTS AGREEMENT (as further amended from time to time, this “Agreement”), dated as of February 11, 2023, between Research Frontiers Incorporated, a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York banking corporation, as Rights Agent

March 9, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or

March 9, 2023 EX-21

Subsidiary of the Registrant - SPD Enterprises, Inc.

Exhibit 21 State or Country of Organization Subsidiary of the Registrant: SPD Enterprises, Inc. Delaware

November 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended September 30, 2022 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation

September 20, 2022 EX-1.2

Form of Warrant Agreement.

Exhibit 1.2 THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED PURSUANT TO THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED, HYPOTHECATED OR OTHERWISE DISPOSED OF UNLESS THERE IS A REGISTRATION STATEMENT THEN IN EFFECT COVERING SUCH SECURITIES OR AN EFFECTIVE EXEMPTION FROM SUCH REGISTRATION OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT UNDE

September 20, 2022 EX-1.3

Research Frontiers Press Release dated September 19, 2022.

EX-1.3 4 ex1-3.htm Exhibit 1.3 SPD-Smartglass being shown throughout europe in september IN MAJOR MULTI-INDUSTRY COLLABORATION Woodbury, New York and Tel Aviv/Jaffo, September 19, 2022 – A series of high-profile showcases of SPD-SmartGlass have begun at various public events in Europe. Last week, in Italy, Suspended Particle Device (SPD) electronically dimmable technology was unveiled in the panor

September 20, 2022 8-K

Entry into a Material Definitive Agreement, Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 16, 2022 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) delaware 000-14893 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS E

September 20, 2022 EX-1.1

Form of Subscription Agreement

EX-1.1 2 ex1-1.htm Exhibit 1.1 RESEARCH FRONTIERS INCORPORATED SUBSCRIPTION AGREEMENT September 14, 2022 Research Frontiers Incorporated 240 Crossways Park Drive Woodbury, New York 11797-2033 Attention: Joseph M. Harary, President and CEO Gentlemen: This Subscription Agreement is made by and between Research Frontiers Incorporated, a Delaware corporation (the “Company”), and the undersigned (the “

August 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2022 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or o

June 13, 2022 EX-99.1

RESEARCH FRONTIERS DIRECTOR GRAHAM SETTLE now focusing on humanitarian efforts in afghanastan and Ukraine

Exhibit 99.1 RESEARCH FRONTIERS DIRECTOR GRAHAM SETTLE now focusing on humanitarian efforts in afghanastan and Ukraine WOODBURY, NY, June 13, 2022. Research Frontiers Inc. announced today the retirement of Board member William Graham Settle effective June 13, 2022. Graham Settle has been a member of the Board since 2020, was the Chairman of its Compensation and Stock Option Committee and was a mem

June 13, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUAANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 9, 2022 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) delaware 000-14893 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOY

May 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2022 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or

April 29, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEF 14A 1 formdef14-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as perm

March 9, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or

March 9, 2022 EX-21

Subsidiary of the Registrant - SPD Enterprises, Inc.

Exhibit 21 State or Country of Organization Subsidiary of the Registrant: SPD Enterprises, Inc. Delaware

February 24, 2022 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A Amendment No. 1 QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A Amendment No. 1 QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended September 30, 2021 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdictio

February 24, 2022 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A Amendment No. 1 QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A Amendment No. 1 QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2021 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of

November 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended September 30, 2021 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation

August 5, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2021 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) delaware 11-2103466 (State or other jurisdiction of incorporation or o

June 10, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 10, 2021 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLO

May 10, 2021 10-Q

Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2021 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation or

April 29, 2021 DEF 14A

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 15, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* Research Frontiers Incorporated (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) (CUSIP

Amendment No. 6 to Schedule 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* Research Frontiers Incorporated (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) 760911107 (CUSIP Number of Class of Securities) Ryan J. York Accretive Legal, PLLC 23515 NE Novelty Hill Rd., STE B221-334 R

March 15, 2021 EX-99.A

JOINT FILING AGREEMENT

EX-99.A EXHIBIT A JOINT FILING AGREEMENT This Joint Filing Agreement (this “Agreement”) hereby confirms the agreement by and among all of the undersigned that the Schedule 13G/A to which this Agreement is attached as Exhibit A with respect to the beneficial ownership of the undersigned of shares Common Stock of Research Frontiers Incorporated is being filed on behalf of each of the undersigned. Th

March 11, 2021 EX-21

Subsidiaries of the Registrant - SPD Enterprises, Inc.

Exhibit 21 State or Country of Organization Subsidiary of the Registrant: SPD Enterprises, Inc. (a) Delaware

March 11, 2021 10-K

Annual Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation

January 25, 2021 EX-99.A

JOINT FILING AGREEMENT

EX-99.A EXHIBIT A JOINT FILING AGREEMENT This Joint Filing Agreement (this “Agreement”) hereby confirms the agreement by and among all of the undersigned that the Schedule 13G/A to which this Agreement is attached as Exhibit A with respect to the beneficial ownership of the undersigned of shares Common Stock of Research Frontiers Incorporated is being filed on behalf of each of the undersigned. Th

January 25, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Research Frontiers Incorporated (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) (CUSIP

Amendment No. 5 to Schedule 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Research Frontiers Incorporated (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) 760911107 (CUSIP Number of Class of Securities) Ryan J. York Accretive Legal, PLLC 23515 NE Novelty Hill Rd., STE B221-334 R

January 13, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): January 12, 2021 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EM

January 13, 2021 EX-99.1

RESEARCH FRONTIERS’ SPD-SmartGlass TECHOLOGY debuts at CES in cadillac celestiq electric vehicle

Exhibit 99.1 RESEARCH FRONTIERS’ SPD-SmartGlass TECHOLOGY debuts at CES in cadillac celestiq electric vehicle Woodbury, New York. January 13, 2021 – In conjunction with General Motors CEO Mary Barra’s keynote address at CES, Cadillac announced the debut of its future flagship ultra-luxury fully electric CELESTIQ sedan. Automotive News noted that the CELESTIQ is expected to go on sale in 2023. CELE

December 4, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): December 4, 2020 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EM

December 4, 2020 EX-99.1

SETH VAN VOORHEES MOVING TO BIOTECH INDUSTRY

Exhibit 99.1 SETH VAN VOORHEES MOVING TO BIOTECH INDUSTRY WOODBURY, NY, December 4, 2020. Research Frontiers Inc. (Nasdaq: REFR) today announced that Seth L. Van Voorhees, Ph.D., Chief Financial Officer and Vice President of Business Development, has resigned his position, effective December 4, 2020, in order to become CFO of a public biotechnology company located in New Jersey. Joseph M. Harary,

November 5, 2020 10-Q

Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended September 30, 2020 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation

August 27, 2020 SC 13G/A

REFR / Research Frontiers Inc. / DOUGLAS KEVIN - AMENDMENT NO 4 TO SC 13G Passive Investment

Amendment No 4 to SC 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Research Frontiers Incorporated (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) 760911107 (CUSIP Number of Class of Securities) Ryan J. York Accretive Legal, PLLC 23515 NE Novelty Hill Rd., STE B221-334 Redmond,

August 17, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 17, 2020 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMP

August 17, 2020 EX-99.1

GRAHAM SETTLE JOINS RESEARCH FRONTIERS BOARD TO REPLACE RETIRING DIRECTOR Gregory G. Grimes

Exhibit 99.1 GRAHAM SETTLE JOINS RESEARCH FRONTIERS BOARD TO REPLACE RETIRING DIRECTOR Gregory G. Grimes WOODBURY, NY, August 17, 2020. Research Frontiers Inc. (Nasdaq: REFR) announced today the retirement of Board member Gregory G. Grimes effective August 17, 2020. Mr. Grimes has been a member of the Board since 2011, was the Chairman of its Compensation and Stock Option Committee and was a membe

August 6, 2020 10-Q

Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2020 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation or o

August 4, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 3, 2020 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPL

August 4, 2020 EX-99.1

RESEARCH FRONTIERS’ SPD-SmartGlass TECHOLOGY LICENSED TO DAIMAY to produce SPD-smart automotive sun visors

Exhibit 99.1 RESEARCH FRONTIERS’ SPD-SmartGlass TECHOLOGY LICENSED TO DAIMAY to produce SPD-smart automotive sun visors Woodbury, New York and Redford, Michigan. August 3, 2020 – Glare is a major safety and comfort issue for drivers and passengers. Imagine driving down the road, turning into the sun, and having your sun visor automatically and instantly darken to block the glare. This product is c

July 1, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 29, 2020 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLO

July 1, 2020 EX-99.1

RESEARCH FRONTIERS Added to Russell 2000® Index

Exhibit 99.1 RESEARCH FRONTIERS Added to Russell 2000® Index Woodbury, New York. June 29, 2020 – Research Frontiers (Nasdaq: REFR) today announced that it has been added to the Russell 2000® Index effective at the U.S. market open today, June 29, 2020. The Annual Russell index reconstitution captures the 4,000 largest US stocks ranking them by total market capitalization. Membership in the U.S. Ru

June 11, 2020 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 11, 2020 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLO

May 7, 2020 10-Q

Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2020 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation or

April 29, 2020 DEF 14A

-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 24, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): April 23, 2020 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPL

April 24, 2020 EX-99.1

Research Frontiers SPD-SmartGlass Licensee and Strategic Investor Gauzy Ltd. secures the Series C investment from Hyundai Motor Company, Blue Red Partners VC (Singapore), and Avery Dennison

Exhibit 99.1 Research Frontiers SPD-SmartGlass Licensee and Strategic Investor Gauzy Ltd. secures the Series C investment from Hyundai Motor Company, Blue Red Partners VC (Singapore), and Avery Dennison Tel Aviv, Israel and Woodbury, New York. April 23, 2020 – The COVID-19 pandemic’s global reach has touched countless lives, along with the economic and investment ecosystem in Israel and worldwide.

March 12, 2020 EX-21

Subsidiaries of the Registrant - SPD Enterprises, Inc.

Exhibit 21 State or Country of Organization Subsidiary of the Registrant: SPD Enterprises, Inc. (a) Delaware (a) SPD Enterprises, Inc. also conducts its business under VariGuard SmartGlass.

March 12, 2020 10-K

REFR / Research Frontiers Inc. 10-K - Annual Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation

March 9, 2020 S-8

REFR / Research Frontiers Inc. S-8 - -

As filed with the Securities and Exchange Commission on March 9, 2020 Reg. No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Research Frontiers Incorporated (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction incorporation or organization) 11-2103466 (I.R.S. Empl

January 2, 2020 EX-99.1

RESEARCH FRONTIERS’ SPD-SmartGlass LICENSED TO glatic to produce SPD-smart windows for the south korean architectural market

Exhibit 99.1 RESEARCH FRONTIERS’ SPD-SmartGlass LICENSED TO glatic to produce SPD-smart windows for the south korean architectural market Woodbury, New York and Seoul, Korea. December 31, 2019 – Research Frontiers (Nasdaq: REFR) and Glatic Co., Ltd. jointly announced today that Glatic has acquired a license from Research Frontiers Inc. to produce and sell SPD-SmartGlass smart windows for the South

January 2, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): December 31, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION)

December 5, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 form8-k.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): December 5, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (

December 5, 2019 EX-99.1

Smart glass industry and world’s automakers come together to celebrate Grand opening of Gauzy Ltd. state of the art factory to make spd-smart light control film

Exhibit 99.1 Smart glass industry and world’s automakers come together to celebrate Grand opening of Gauzy Ltd. state of the art factory to make spd-smart light control film Tel Aviv, Israel, Woodbury, New York and Stuttgart, Germany. December 5, 2019 – Research Frontiers Inc. (Nasdaq: REFR), Israel-based material science company Gauzy Ltd., and executives from the automotive, and architectural sm

November 7, 2019 10-Q

REFR / Research Frontiers Inc. 10-Q - Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended September 30, 2019 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation

October 17, 2019 EX-16.1

Letter of BDO USA, LLP, dated October 15, 2019

October 17, 2019 8-K

Changes in Registrant's Certifying Accountant, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 15, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EM

September 26, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 26, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS

September 26, 2019 EX-10.1B2

Amendment to Employment Agreement effective as of September 26, 2019 between the Company and Joseph M. Harary. Previously filed as an Exhibit to the Company’s Current Report on Form 8-K dated September 26, 2019 and incorporated herein by reference.

September 26, 2019 Mr. Joseph M. Harary c/o Research Frontiers Inc. 240 Crossways Park Drive Woodbury, NY 11797-2033 Dear Mr. Harary: This letter agreement sets forth the terms of the amendment to the employment agreement between you and Research Frontiers Inc. dated as of January 1, 2009 as amended on June 12, 2014 (the “Employment Agreement”). As previously authorized by the Compensation Committ

August 12, 2019 EX-99.1

BRAZILIAN GLASS FABRICATOR SER GLASS, RESEARCH FRONTIERS AND ISRAELI MATERIAL SCIENCE COMPANY gauzy LTD. BRING HIGH VOLUME ARMORED SMART GLASS and other smart window products TO BRAZIL

BRAZILIAN GLASS FABRICATOR SER GLASS, RESEARCH FRONTIERS AND ISRAELI MATERIAL SCIENCE COMPANY gauzy LTD.

August 12, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 12, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMP

August 8, 2019 10-Q

REFR / Research Frontiers Inc. 10-Q - Quarterly Report -

10-Q 1 form10-q.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2019 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction o

July 8, 2019 EX-4.1

RESEARCH FRONTIERS INCORPORATED COMMON STOCK PURCHASE WARRANT

Exhibit 4.1 THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED PURSUANT TO THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED, HYPOTHECATED OR OTHERWISE DISPOSED OF UNLESS THERE IS A REGISTRATION STATEMENT THEN IN EFFECT COVERING SUCH SECURITIES OR AN EFFECTIVE EXEMPTION FROM SUCH REGISTRATION OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT UNDE

July 8, 2019 SC 13D

REFR / Research Frontiers Inc. / Gauzy Ltd. - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 RESEARCH FRONTIERS INCORPORATED (Name of Issuer) Common Stock, $0.0001 (title of Class of Securities) 760911107 (CUSIP Number) Meir Peleg Gauzy Ltd. 14 Hathiya Street Tel-Aviv Yafo Israel 6816914 +972 72 2500385 Shaun Snitman, Esq. Brad L. Shiffman, Esq. Blank Rome LLP 127

June 21, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 20, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLO

June 21, 2019 EX-99.1

VISION SYSTEMS UNVEILS ITS SPD-SMARTGLASS DIMMABLE WINDOW SOLUTIONS FOR THE CRUISE INDUSTRY – IMPROVING THE PASSENGER EXPERIENCE ONBOARD CRUISE SHIPS

VISION SYSTEMS UNVEILS ITS SPD-SMARTGLASS DIMMABLE WINDOW SOLUTIONS FOR THE CRUISE INDUSTRY – IMPROVING THE PASSENGER EXPERIENCE ONBOARD CRUISE SHIPS Miami, Florida – June 20, 2019 – Passengers on cruise ships marvel at the magnificent views, but can be uncomfortable with too much sunlight, glare and heat.

June 13, 2019 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 13, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (COM

June 3, 2019 8-K

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): May 31, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOY

June 3, 2019 EX-99.1

gauzy LTD. INCREASES INVESTMENT IN RESEARCH FRONTIERS AS MARKET LEADING MATERIAL SCIENCES companIES STRENGTHEN TIES TO MAKE SMART WINDOWS AND OTHER PRODUCTS

gauzy LTD. INCREASES INVESTMENT IN RESEARCH FRONTIERS AS MARKET LEADING MATERIAL SCIENCES companIES STRENGTHEN TIES TO MAKE SMART WINDOWS AND OTHER PRODUCTS Tel Aviv, Israel and Woodbury, New York. June 3, 2019 – Research Frontiers Inc. (Nasdaq: REFR) and Israel-based material science company Gauzy Ltd. announced today that Gauzy’s second production facility in Stuttgart, Germany is on schedule to

June 3, 2019 EX-1.1

Form of Subscription Agreement

RESEARCH FRONTIERS INCORPORATED SUBSCRIPTION AGREEMENT May 28, 2019 Research Frontiers Incorporated 240 Crossways Park Drive Woodbury, New York 11797-2033 Attention: Joseph M.

June 3, 2019 EX-1.2

Form of Warrant Agreement

[FORM OF WARRANT] THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED PURSUANT TO THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED, HYPOTHECATED OR OTHERWISE DISPOSED OF UNLESS THERE IS A REGISTRATION STATEMENT THEN IN EFFECT COVERING SUCH SECURITIES OR AN EFFECTIVE EXEMPTION FROM SUCH REGISTRATION OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT UNDER THE CIRCUMSTANCES REGISTRATION IS NOT NECESSARY.

June 3, 2019 424B2

PROSPECTUS SUPPLEMENT DATED JUNE 3, 2019 TO PROSPECTUS DATED MARCH 13, 2018 RESEARCH FRONTIERS INCORPORATED 1,276,599 Shares of Common Stock 638,295 Warrants to Purchase Common Stock at $3.384, $3.666 or $4.230 per Share depending on the exercise dat

Filed Pursuant to Rule 424(b)(2) Registration Statement No. 333-223623 PROSPECTUS SUPPLEMENT DATED JUNE 3, 2019 TO PROSPECTUS DATED MARCH 13, 2018 RESEARCH FRONTIERS INCORPORATED 1,276,599 Shares of Common Stock 638,295 Warrants to Purchase Common Stock at $3.384, $3.666 or $4.230 per Share depending on the exercise date Research Frontiers Incorporated is selling to accredited investors a total of

May 14, 2019 10-Q

REFR / Research Frontiers Inc. 10-Q Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2019 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation or

April 29, 2019 EX-1

2019 Equity Incentive Plan. Previously filed as an Exhibit to the Company’s Definitive Proxy Statement dated April 29, 2019 filed with the Commission on April 29, 2019, and incorporated herein by reference.

2019 EQUITY INCENTIVE PLAN OF RESEARCH FRONTIERS INCORPORATED 1. Purpose. Types of Awards. The purpose of the 2019 Equity Incentive Plan of Research Frontiers Incorporated (the “Plan”) is to afford an incentive to executive officers, other employees and non-employee directors and consultants of Research Frontiers Incorporated, a Delaware corporation (the “Company”), or any Subsidiary (as defined b

April 29, 2019 DEF 14A

2019 Equity Incentive Plan. Filed as part of the Company’s Proxy Statement dated April 29, 2019 filed with the SEC and incorporated herein by reference.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 1, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): April 1, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (COM

April 1, 2019 EX-99.1

VISION SYSTEMS AND RESEARCH FRONTIERS bring together THE COMBINED RESOURCES OF the SPD-Smart Light-control industry to produce the aerospace INDUSTRY’S HIGHEST-PERFORMING electronically dimmable window (EDW)

VISION SYSTEMS AND RESEARCH FRONTIERS bring together THE COMBINED RESOURCES OF the SPD-Smart Light-control industry to produce the aerospace INDUSTRY’S HIGHEST-PERFORMING electronically dimmable window (EDW) Hamburg, Germany.

March 14, 2019 10-K

REFR / Research Frontiers Inc. (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation

March 14, 2019 EX-21

Subsidiaries of the Registrant - SPD Enterprises, Inc.

Exhibit 21 State or Country of Organization Subsidiary of the Registrant: SPD Enterprises, Inc. (a) Delaware (a) SPD Enterprises, Inc. also conducts its business under VariGuard SmartGlass.

February 5, 2019 SC 13G/A

REFR / Research Frontiers Inc. / DOUGLAS KEVIN - SC 13G/A Passive Investment

SC 13G/A 1 d705434dsc13ga.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Research Frontiers Incorporated (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) 760911107 (CUSIP Number of Class of Securities) Ryan J. York Davis Wright Tremaine 777 108th Avenue, NE, Suite 2300 B

February 4, 2019 EX-99.1

MATERIAL SCIENCE company gauzy ANNOUNCES SECOND FACTORY IN STUTTGART GERMANY TO PRODUCE RESEARCH FRONTIERS’ SPD-SMART LIGHT CONTROL FILM FOR THE SMART GLASS INDUSTRY

MATERIAL SCIENCE company gauzy ANNOUNCES SECOND FACTORY IN STUTTGART GERMANY TO PRODUCE RESEARCH FRONTIERS’ SPD-SMART LIGHT CONTROL FILM FOR THE SMART GLASS INDUSTRY Times Square, New York.

February 4, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): February 1, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EM

January 10, 2019 EX-99.1

IMPROVING THE PASSENGER EXPERIENCE ONBOARD LUXURY BUSES AND MOTORCOACHES WITH ELECTRONICALLY DIMMABLE WINDOWS USING RESEARCH FRONTIERS SPD-SMARTGLASS TECHNOLOGY This week, Research Frontiers licensee Vision Systems showcasing SPD-SmartGlass EDW solut

IMPROVING THE PASSENGER EXPERIENCE ONBOARD LUXURY BUSES AND MOTORCOACHES WITH ELECTRONICALLY DIMMABLE WINDOWS USING RESEARCH FRONTIERS SPD-SMARTGLASS TECHNOLOGY This week, Research Frontiers licensee Vision Systems showcasing SPD-SmartGlass EDW solutions at UMA Motorcoach Expo 2019 in Ft.

January 10, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): January 10, 2019 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EM

November 15, 2018 EX-99.1

A MORE INTELLIGENT WAY TO CONTROL RESEARCH FRONTIERS’ SPD-SMARTGLASS TECHNOLOGY IN CARS SHOWN AT ELECTRONICA 2018

A MORE INTELLIGENT WAY TO CONTROL RESEARCH FRONTIERS’ SPD-SMARTGLASS TECHNOLOGY IN CARS SHOWN AT ELECTRONICA 2018 Munich, Germany, November 15, 2018 – Daimler AG has been using SPD-SmartGlass technology from Research Frontiers (Nasdaq: REFR) to allow occupants in tens of thousands of their cars (including their flagship S-Class) to press a button and change the tint of their roof from dark to clear.

November 15, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 form8-k.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): November 15, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION

November 8, 2018 10-Q

REFR / Research Frontiers Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended September 30, 2018 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation

October 25, 2018 EX-99.1

VARIGUARD SMARTGLASS AND ARTRATIO PARTNER TO PROTECT LIGHT-SENSITIVE OBJECTS AT SWEDEN’S NATIONALMUSEUM

VARIGUARD SMARTGLASS AND ARTRATIO PARTNER TO PROTECT LIGHT-SENSITIVE OBJECTS AT SWEDEN’S NATIONALMUSEUM Stockholm, Sweden.

October 25, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 24, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (

October 23, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 22, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (

October 23, 2018 EX-99.1

GAUZY LTD. SHOWCASES SPD TECHNOLOGY FOR AUTOMOTIVE AND ARCHITECTURAL APPLICATIONS

GAUZY LTD. SHOWCASES SPD TECHNOLOGY FOR AUTOMOTIVE AND ARCHITECTURAL APPLICATIONS AT GLASSTEC EXHIBITION, OCTOBER 23 – 26, BOOTH 11A41 Dusseldorf, Germany. October 22, 2018 – Research Frontiers Inc. (Nasdaq: REFR) and Gauzy Ltd., a world-leading vendor of material science and light control technologies, announced today that Gauzy will be exhibiting SPD-Smart light control film at this week’s Glass

October 19, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 18, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EM

October 19, 2018 EX-99.1

AIRCRAFT ELECTRONICALLY DIMMABLE WINDOWS (EDWs) ARE IMPROVING THE PASSENGER EXPERIENCE AND REDUCING OPERATING COSTS USING RESEARCH FRONTIERS SPD-SMART TECHNOLOGY

AIRCRAFT ELECTRONICALLY DIMMABLE WINDOWS (EDWs) ARE IMPROVING THE PASSENGER EXPERIENCE AND REDUCING OPERATING COSTS USING RESEARCH FRONTIERS SPD-SMART TECHNOLOGY Orlando, Florida – October 18, 2018.

October 9, 2018 EX-99.1

MATERIAL SCIENCE company gauzy, ltd.’s FACTORY in TEL AVIV TO PRODUCE RESEARCH FRONTIERS’ SPD-SMART LIGHT CONTROL FILM FOR THE SMART GLASS INDUSTRY

MATERIAL SCIENCE company gauzy, ltd.’s FACTORY in TEL AVIV TO PRODUCE RESEARCH FRONTIERS’ SPD-SMART LIGHT CONTROL FILM FOR THE SMART GLASS INDUSTRY Tel Aviv, Israel and Woodbury, New York. October 9, 2018 – Research Frontiers Inc. (Nasdaq: REFR) and Israel-based material science company Gauzy Ltd. announced today that Gauzy will be producing SPD-Smart light control film for the entire SPD-SmartGla

October 9, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 9, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMP

September 21, 2018 EX-99.1

VISION SYSTEMS, AND AGC, ARE IMPROVING THE PASSENGER EXPERIENCE ONBOARD TRAINS WITH ELECTRONICALLY DIMMABLE WINDOWS USING RESEARCH FRONTIERS SPD-SMARTGLASS TECHNOLOGY This week, a new generation of SPD-SmartGlass Passenger Window solutions are being

VISION SYSTEMS, AND AGC, ARE IMPROVING THE PASSENGER EXPERIENCE ONBOARD TRAINS WITH ELECTRONICALLY DIMMABLE WINDOWS USING RESEARCH FRONTIERS SPD-SMARTGLASS TECHNOLOGY This week, a new generation of SPD-SmartGlass Passenger Window solutions are being launched at 2018 Innotrans in Berlin, Germany Berlin, Germany – September 20, 2018 – At the recent Research Frontiers (Nasdaq: REFR) quarterly conference call, President and CEO Joe Harary remarked; “Trains can be our second-biggest market in the next few years… train cars with our technology are well along with their performance testing on the rails.

September 21, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 20, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION)

September 7, 2018 EX-1.1

Form of Subscription Agreement

RESEARCH FRONTIERS INCORPORATED SUBSCRIPTION AGREEMENT August 9, 2018 Research Frontiers Incorporated 240 Crossways Park Drive Woodbury, New York 11797-2033 Attention: Joseph M.

September 7, 2018 8-K

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 7, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS E

September 7, 2018 EX-1.2

Form of Warrant Agreement.

[FORM OF WARRANT] THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED PURSUANT TO THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED, HYPOTHECATED OR OTHERWISE DISPOSED OF UNLESS THERE IS A REGISTRATION STATEMENT THEN IN EFFECT COVERING SUCH SECURITIES OR AN EFFECTIVE EXEMPTION FROM SUCH REGISTRATION OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT UNDER THE CIRCUMSTANCES REGISTRATION IS NOT NECESSARY.

September 7, 2018 EX-1.3

Research Frontiers Press Release dated September 7, 2018.

EX-1.3 4 ex1-3.htm israeli MATERIAL SCIENCE company gauzy, ltd. LEADS $2 million INVESTMENT IN RESEARCH FRONTIERS AND ITS SPD-Smart LIGHT CONTROL technology Tel Aviv, Israel and Woodbury, New York. September 7, 2018 – Research Frontiers Inc. (Nasdaq: REFR) and Israel-based material science company Gauzy Ltd. announced today that Gauzy has lead a group that has invested $2 million in SPD-SmartGlass

September 7, 2018 424B2

PROSPECTUS SUPPLEMENT DATED SEPTEMBER 7, 2018 TO PROSPECTUS DATED MARCH 13, 2018 RESEARCH FRONTIERS INCORPORATED 1,086,959 Shares of Common Stock 543,479 Warrants to Purchase Common Stock at $1.10, $1.20 or $1.38 per Share depending on the exercise d

Filed Pursuant to Rule 424(b)(2) Registration Statement No. 333-223623 PROSPECTUS SUPPLEMENT DATED SEPTEMBER 7, 2018 TO PROSPECTUS DATED MARCH 13, 2018 RESEARCH FRONTIERS INCORPORATED 1,086,959 Shares of Common Stock 543,479 Warrants to Purchase Common Stock at $1.10, $1.20 or $1.38 per Share depending on the exercise date Research Frontiers Incorporated is selling to accredited investors a total

August 13, 2018 10-Q

REFR / Research Frontiers Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended June 30, 2018 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation or o

July 24, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): July 20, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLO

July 24, 2018 EX-99.1

CONTINENTAL AUTOMOTIVE BREAKS GROUND ON NEW FACTORY IN LITHUANIA TO PRODUCE THEIR INTELLIGENT GLASS CONTROL SYSTEM USED WITH RESEARCH FRONTIERS’ SPD-SMARTGLASS

CONTINENTAL AUTOMOTIVE BREAKS GROUND ON NEW FACTORY IN LITHUANIA TO PRODUCE THEIR INTELLIGENT GLASS CONTROL SYSTEM USED WITH RESEARCH FRONTIERS’ SPD-SMARTGLASS KAUNAS, LITHUANIA, JULY 23, 2018 – Automotive supplier Continental AG announced on Friday the groundbreaking of their new factory in Kaunas, Lithuania.

June 14, 2018 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 14, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLO

May 14, 2018 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarter ended March 31, 2018 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation or

April 23, 2018 424B2

PROSPECTUS SUPPLEMENT DATED APRIL 23, 2018 TO PROSPECTUS DATED MARCH 13, 2018 RESEARCH FRONTIERS INCORPORATED 1,388,893 Shares of Common Stock 1,388,893 Warrants to Purchase Common Stock at $1.10, $1.20 or $1.35 per Share depending on the exercise da

Filed Pursuant to Rule 424(b)(2) Registration Statement No. 333-223623 PROSPECTUS SUPPLEMENT DATED APRIL 23, 2018 TO PROSPECTUS DATED MARCH 13, 2018 RESEARCH FRONTIERS INCORPORATED 1,388,893 Shares of Common Stock 1,388,893 Warrants to Purchase Common Stock at $1.10, $1.20 or $1.35 per Share depending on the exercise date Research Frontiers Incorporated is selling to accredited investors a total o

April 23, 2018 EX-1.1

1.1 Form of Loan Agreement dated February 16, 2018.

RESEARCH FRONTIERS INCORPORATED LOAN AGREEMENT February 16, 2018 Research Frontiers Incorporated 240 Crossways Park Drive Woodbury, New York 11797-2033 Attention: Joseph M.

April 23, 2018 EX-1.2

1.2 Form of Warrant Agreement.

[FORM OF WARRANT] THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED PURSUANT TO THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED, HYPOTHECATED OR OTHERWISE DISPOSED OF UNLESS THERE IS A REGISTRATION STATEMENT THEN IN EFFECT COVERING SUCH SECURITIES OR AN EFFECTIVE EXEMPTION FROM SUCH REGISTRATION OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT UNDER THE CIRCUMSTANCES REGISTRATION IS NOT NECESSARY.

April 23, 2018 8-K

Financial Statements and Exhibits

8-K 1 form8-k.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): April 23, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (CO

April 19, 2018 CORRESP

REFR / Research Frontiers Inc. CORRESP

Research Frontiers Incorporated 240 Crossways Park Drive Woodbury, New York 11797-2033 (516) 364-1902 April 19, 2018 VIA EDGAR United States Securities and Exchange Commission Division of Corporate Finance 100 F Street, NE Washington, DC 20549-3561 Attention: Edwin Kim, Esq.

April 18, 2018 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): April 17, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPL

April 18, 2018 EX-99.1

SMARTER COOKING BROUGHT TO THE SMART HOME BY ELECTROLUX AND VARIGUARD USING RESEARCH FRONTIERS SPD-SMART LIGHT-CONTROL TECHNOLOGY This week at 2018 EuroCucina in Milan, Italy, Electrolux premiers the SenseOven 2.0 concept oven using SPD-SmartGlass.

SMARTER COOKING BROUGHT TO THE SMART HOME BY ELECTROLUX AND VARIGUARD USING RESEARCH FRONTIERS SPD-SMART LIGHT-CONTROL TECHNOLOGY This week at 2018 EuroCucina in Milan, Italy, Electrolux premiers the SenseOven 2.

April 18, 2018 DEFA14A

REFR / Research Frontiers Inc. DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 18, 2018 DEF 14A

REFR / Research Frontiers Inc. DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 20, 2018 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 14, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPL

March 13, 2018 S-3

REFR / Research Frontiers Inc. S-3

As filed with the Securities and Exchange Commission on March 13, 2018 Registration No.

March 13, 2018 10-K

REFR / Research Frontiers Inc. 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017 Commission File Number 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of incorporation

March 13, 2018 EX-21

Subsidiaries of the Registrant - SPD Enterprises, Inc.

Exhibit 21 State or Country of Organization Subsidiary of the Registrant: SPD Enterprises, Inc. (a) Delaware (a) SPD Enterprises, Inc. also conducts its business under VariGuard SmartGlass.

March 8, 2018 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 8, 2018 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (COMMIS

March 8, 2018 EX-99.1

Research Frontiers Reports Fourth Quarter and Full Year 2017 Financial Results Management to Host Conference Call at 4:30 p.m.

Research Frontiers Reports Fourth Quarter and Full Year 2017 Financial Results Management to Host Conference Call at 4:30 p.

November 2, 2017 10-Q

REFR / Research Frontiers Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2017 or [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 000-14893 RESEARCH FRONTIERS INCORPORATED (Exact

October 11, 2017 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 11, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EM

October 11, 2017 EX-99.1

RESEARCH FRONTIERS’ SPD-Smart LIGHT CONTROL technology LICENSED TO israeli MATERIAL SCIENCE company gauzy

RESEARCH FRONTIERS? SPD-Smart LIGHT CONTROL technology LICENSED TO israeli MATERIAL SCIENCE company gauzy Tel Aviv, Israel and Woodbury, New York.

October 11, 2017 EX-99.1

OPENING DAY AT NBAA AIRCRAFT SHOW FEATURES NEW SPD-SMART ELECTRONICALLY DIMMABLE WINDOW (EDW) SOLUTION FROM PPG AEROSPACE AND VISION SYSTEMS PARTNERSHIP

OPENING DAY AT NBAA AIRCRAFT SHOW FEATURES NEW SPD-SMART ELECTRONICALLY DIMMABLE WINDOW (EDW) SOLUTION FROM PPG AEROSPACE AND VISION SYSTEMS PARTNERSHIP LAS VEGAS, NEVADA, OCTOBER 10, 2017 ? Global aerospace transparency leader PPG Aerospace, in partnership with Vision Systems, launched a new product today at the National Business Aviation Association Convention and Exhibition in Las Vegas, Nevada.

October 11, 2017 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 10, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 000-14893 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EM

September 1, 2017 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 30, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (COMM

September 1, 2017 EX-99.1

LIPPERT COMPONENTS AND KNAUS EACH SHOWCASE SPD-SMARTGLASS DIMMABLE RECREATIONAL VEHICLE WINDOWS FROM VISION SYSTEMS AT CARAVAN SALON 2017

LIPPERT COMPONENTS AND KNAUS EACH SHOWCASE SPD-SMARTGLASS DIMMABLE RECREATIONAL VEHICLE WINDOWS FROM VISION SYSTEMS AT CARAVAN SALON 2017 Woodbury, New York ? August 30, 2017.

August 22, 2017 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 21, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOY

August 22, 2017 EX-99.1

Welcome to the Family! Two New 2018 S-Class Sedan Models Feature the Magic Sky Control Panoramic Roof Using SPD-SmartGlass Technology from Research Frontiers

Welcome to the Family! Two New 2018 S-Class Sedan Models Feature the Magic Sky Control Panoramic Roof Using SPD-SmartGlass Technology from Research Frontiers Woodbury, New York ? August 21, 2017.

August 3, 2017 10-Q

REFR / Research Frontiers Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended June 30, 2017 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in charter) Delaware 11-2103466 (State of incorporation (IRS Employer or organization) Identificati

July 27, 2017 EX-99.1

ONE AVIATION SELECTS PPG’S ALTEOS INTERACTIVE WINDOW SYSTEM WITH RESEARCH FRONTIERS’ SPD-SMART TECHNOLOGY FOR THE NEW ECLIPSE 700 AIRCRAFT

ONE AVIATION SELECTS PPG?S ALTEOS INTERACTIVE WINDOW SYSTEM WITH RESEARCH FRONTIERS? SPD-SMART TECHNOLOGY FOR THE NEW ECLIPSE 700 AIRCRAFT WOODBURY, NEW YORK, JULY 27, 2017 ? Global aircraft manufacturer ONE Aviation has announced the selection of the ALTEOS electronically dimmable window (EDW) by PPG for its new Eclipse 700 aircraft.

July 27, 2017 8-K

Research Frontiers (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): July 27, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOYER

June 12, 2017 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 8, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOYER

June 12, 2017 EX-99.1

CHARTER OF THE COMPENSATION COMMITTEE OF Research Frontiers Incorporated

CHARTER OF THE COMPENSATION COMMITTEE OF Research Frontiers Incorporated I. Purpose The Compensation Committee (the “Compensation Committee”) of the Board of Directors (the “Board”) of Research Frontiers Incorporated, a Delaware corporation (the “Company”), shall have direct responsibility for the compensation of the Company’s executive officers (including the Company’s chief executive officer), a

May 22, 2017 EX-99.1

PPG AEROSPACE AND VISION SYSTEMS ENTER INTO COMMERCIAL AGREEMENT FOR SPD-SMART ELECTRONICALLY DIMMABLE WINDOW (EDW) AIRCRAFT SOLUTIONS

PPG AEROSPACE AND VISION SYSTEMS ENTER INTO COMMERCIAL AGREEMENT FOR SPD-SMART ELECTRONICALLY DIMMABLE WINDOW (EDW) AIRCRAFT SOLUTIONS WOODBURY, N.

May 22, 2017 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): May 19, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (COMMISS

May 4, 2017 10-Q

Research Frontiers (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended March 31, 2017 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in charter) Delaware 11-2103466 (State of incorporation (IRS Employer or organization) Identificat

April 26, 2017 DEFA14A

Research Frontiers 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 26, 2017 DEF 14A

Research Frontiers 14A

240 Crossways Park Drive Woodbury, NY 11797 (516) 364-1902 NOTICE OF ANNUAL MEETING OF STOCKHOLDERS June 8, 2017 at 11:00 A.

March 16, 2017 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 Commission File Number 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of (I.R.S. Employer

March 14, 2017 8-K

Research Frontiers (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 13, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (COMMI

March 14, 2017 EX-99.1

Research Frontiers Reports Full Year 2016 Financial Results Management to Host Conference Call at 4:30 p.m.

Research Frontiers Reports Full Year 2016 Financial Results Management to Host Conference Call at 4:30 p.

January 10, 2017 8-K

Research Frontiers (Current Report/Significant Event)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): January 9, 2017 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOY

January 10, 2017 EX-99.1

2017 consumer electronics and detroit auto showS DEMONSTRATE HOW SMART YOUR GLASS COULD BE WITH new automotive uses for SPD-Smartglass by Research frontiers

2017 consumer electronics and detroit auto showS DEMONSTRATE HOW SMART YOUR GLASS COULD BE WITH new automotive uses for SPD-Smartglass by Research frontiers Las Vegas, Nevada and Detroit, Michigan.

November 3, 2016 10-Q

Research Frontiers (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended September 30, 2016 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in charter) Delaware 11-2103466 (State of incorporation or organization) (IRS Employer Identif

October 25, 2016 8-K

Research Frontiers (Current Report/Significant Event)

FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 25, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION (I

October 25, 2016 EX-99.1

Research Frontiers CEO Joseph Harary to Present at the Autonomous Vehicle Interior Design & Technology Symposium This Week in Michigan

Research Frontiers CEO Joseph Harary to Present at the Autonomous Vehicle Interior Design & Technology Symposium This Week in Michigan Rochester, Michigan – October 25, 2016.

October 25, 2016 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 21, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLO

October 25, 2016 EX-99.1

FOKKER SERVICES LAUNCHES NEW SPD-SMART PRODUCT AT MRO EUROPE: ELEMENT EDW – IMPROVING THE AIRLINE PASSENGER EXPERIENCE BY CONTROLLING OUTSIDE ELEMENTS ENTERING THE AIRCRAFT CABIN

FOKKER SERVICES LAUNCHES NEW SPD-SMART PRODUCT AT MRO EUROPE: ELEMENT EDW – IMPROVING THE AIRLINE PASSENGER EXPERIENCE BY CONTROLLING OUTSIDE ELEMENTS ENTERING THE AIRCRAFT CABIN Amsterdam, The Netherlands – October 21, 2016.

September 23, 2016 EX-99.1

SMARTGLASS INTERNATIONAL’S RETROFIT PROJECT WITH SPD-SMARTGLASS WILL PROTECT PRICELESS PAINTINGS AT THE UNIVERSITY OF EDINBURGH AND INCREASES ENERGY EFFICIENCY IN BUILDINGS Businesses to recoup the difference in cost of SPD-SmartGlass vs conventional

SMARTGLASS INTERNATIONAL?S RETROFIT PROJECT WITH SPD-SMARTGLASS WILL PROTECT PRICELESS PAINTINGS AT THE UNIVERSITY OF EDINBURGH AND INCREASES ENERGY EFFICIENCY IN BUILDINGS Businesses to recoup the difference in cost of SPD-SmartGlass vs conventional glass and curtains or blinds within just a few years.

September 23, 2016 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 23, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION OF INCORPORATION) (C

September 23, 2016 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 22, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMP

September 23, 2016 EX-99.1

VISION SYSTEMS ESTABLISHES NEW DIVISION DEDICATED TO SPD-SMART WINDOW TECHNOLOGY BY RESEARCH FRONTIERS

VISION SYSTEMS ESTABLISHES NEW DIVISION DEDICATED TO SPD-SMART WINDOW TECHNOLOGY BY RESEARCH FRONTIERS Woodbury, New York and Brignais, France ? September 22, 2016.

August 4, 2016 10-Q

Research Frontiers QUARTERLY REPORT (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended June 30, 2016 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in charter) Delaware 11-2103466 (State of incorporation or organization) (IRS Employer Identificati

June 30, 2016 EX-99.1

Research Frontiers Mourns the Passing of Robert L. Saxe: its Founder, Chairman, and Chief Technology Officer

Research Frontiers Mourns the Passing of Robert L. Saxe: its Founder, Chairman, and Chief Technology Officer Woodbury, New York ? June 30, 2016. Research Frontiers Inc. sadly announces that its Founder, Chairman and Chief Technology Officer, Robert (?Bob?) L. Saxe, passed away yesterday evening. Mr. Saxe started Research Frontiers over 50 years ago. Under his leadership, the Company achieved world

June 30, 2016 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 30, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

June 14, 2016 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 14, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

June 14, 2016 EX-99.1

Research Frontiers CEO Joseph Harary Will Present Keynote Presentation at This Week’s CTI Automotive Glazing Conference in Michigan

Research Frontiers CEO Joseph Harary Will Present Keynote Presentation at This Week’s CTI Automotive Glazing Conference in Michigan Rochester, Michigan – June 14, 2016.

June 9, 2016 8-K

Submission of Matters to a Vote of Security Holders

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 9, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER OF

May 5, 2016 10-Q

Research Frontiers QUARTERLY REPORT (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended March 31, 2016 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in charter) Delaware 11-2103466 (State of incorporation or organization) (IRS Employer Identificat

April 26, 2016 DEFA14A

Research Frontiers DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 26, 2016 DEF 14A

Research Frontiers DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

March 10, 2016 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2015 Commission File Number 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE 11-2103466 (State or other jurisdiction of (I.R.S. Employer

March 3, 2016 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 3, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

March 3, 2016 EX-99.1

AEROSPACE INDUSTRY FIRST: VISION SYSTEMS ANNOUNCES SPD-SMART ELECTRONICALLY DIMMABLE WINDOWS (EDWs) WITH INTEGRATED THIN TRANSPARENT INFORMATION DISPLAYS Vision Systems improves the passenger experience by combining the heat, glare, and noise reducti

AEROSPACE INDUSTRY FIRST: VISION SYSTEMS ANNOUNCES SPD-SMART ELECTRONICALLY DIMMABLE WINDOWS (EDWs) WITH INTEGRATED THIN TRANSPARENT INFORMATION DISPLAYS Vision Systems improves the passenger experience by combining the heat, glare, and noise reduction benefits of SPD-Smart EDWs with touchscreens, offering new interactive services to passengers.

January 14, 2016 EX-99.1

RESEARCH FRONTIERS AND ZULI DEMONSTRATE THE LATEST IN SMART HOME DESIGN AT CONSUMER ELECTRONICS SHOW: THE ZULI SMARTPLUG FOR USE WITH SPD-SMARTGLASS AND PHILIPS HUE Zuli Smartplugs are now available at Lowe’s home improvement stores nationwide, Amazo

RESEARCH FRONTIERS AND ZULI DEMONSTRATE THE LATEST IN SMART HOME DESIGN AT CONSUMER ELECTRONICS SHOW: THE ZULI SMARTPLUG FOR USE WITH SPD-SMARTGLASS AND PHILIPS HUE Zuli Smartplugs are now available at Lowe?s home improvement stores nationwide, Amazon, Build.

January 14, 2016 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): January 12, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYE

January 12, 2016 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): January 11, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYE

January 12, 2016 EX-99.1

Mercedes-Benz Premieres Refreshed SLC Model Featuring MAGIC SKY CONTROL Using SPD-SmartGlass Technology at Detroit Auto Show

Mercedes-Benz Premieres Refreshed SLC Model Featuring MAGIC SKY CONTROL Using SPD-SmartGlass Technology at Detroit Auto Show Detroit, Michigan ? January 11, 2015.

January 8, 2016 EX-99.1

CONTINENTAL CORPORATION SHOWCASES ITS INTELLIGENT GLASS CONTROL SYSTEM USING SPD-SMARTGLASS TECHNOLOGY AT CES 2016 SPD-SmartGlass Automotive Windows offer Comfort, Efficiency, Safety and Security Benefits

CONTINENTAL CORPORATION SHOWCASES ITS INTELLIGENT GLASS CONTROL SYSTEM USING SPD-SMARTGLASS TECHNOLOGY AT CES 2016 SPD-SmartGlass Automotive Windows offer Comfort, Efficiency, Safety and Security Benefits Las Vegas, NV ? January 7, 2016.

January 8, 2016 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): January 7, 2016 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER

November 20, 2015 EX-99.1

Accelerated Adoption of SPD-Smart EDW Systems for Aircraft as Industry Focuses on the Passenger Experience Two recent trade shows showcase the growth of SPD-Smart Electronically Dimmable Windows (EDWs) in jets, helicopters and turboprop aircraft.

Accelerated Adoption of SPD-Smart EDW Systems for Aircraft as Industry Focuses on the Passenger Experience Two recent trade shows showcase the growth of SPD-Smart Electronically Dimmable Windows (EDWs) in jets, helicopters and turboprop aircraft.

November 20, 2015 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): November 19, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOY

November 19, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): November 18, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOY

November 19, 2015 EX-99.1

Mercedes-Benz Announces Refreshed SL Model Featuring MAGIC SKY CONTROL at LA Auto Show

Mercedes-Benz Announces Refreshed SL Model Featuring MAGIC SKY CONTROL at LA Auto Show Los Angeles, California ? November 18, 2015.

November 18, 2015 EX-99.1

SILVER ARROWS MARINE IN CONJUNCTION WITH MERCEDES-BENZ STYLE WILL BUILD A NEW PRODUCTION YACHT USING SPD-SMARTGLASS Research Frontiers Licensee Vision Systems has been selected as the supplier for this Marine project

SILVER ARROWS MARINE IN CONJUNCTION WITH MERCEDES-BENZ STYLE WILL BUILD A NEW PRODUCTION YACHT USING SPD-SMARTGLASS Research Frontiers Licensee Vision Systems has been selected as the supplier for this Marine project Woodbury, NY – November 16, 2015.

November 18, 2015 EX-99.2

VISION SYSTEMS’ STRATEGIC STEP IN THE MARINE MARKET WITH SILVER ARROWS MARINE Vision Systems has been selected by Silver Arrows Marine to equip a motor yacht to be unveiled next spring

PRESS RELEASE ? BRIGNAIS, 16TH NOVEMBER, 2015 ? For immediate release VISION SYSTEMS? STRATEGIC STEP IN THE MARINE MARKET WITH SILVER ARROWS MARINE Vision Systems has been selected by Silver Arrows Marine to equip a motor yacht to be unveiled next spring On the strength of its expertise in Electronically Dimmable Windows for the aeronautic market, Vision Systems confirms its presence in the boat industry with the development of superior solar protection solutions, providing sleek design and enhanced comfort, for Silver Arrows Marine.

November 18, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): November 16, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOY

November 4, 2015 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended September 30, 2015 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORAT

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended September 30, 2015 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in charter) Delaware 11-2103466 (State of incorporation or organization) (IRS Employer Identification No.) 2

October 14, 2015 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 9, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYE

October 14, 2015 EX-99.1

RESEARCH FRONTIERS HOSTS LICENSEE CONFERENCE AT THE WORLD’S FAIR IN MILAN UNDER THE LARGEST SPD-SMARTGLASS ROOF IN THE WORLD

RESEARCH FRONTIERS HOSTS LICENSEE CONFERENCE AT THE WORLD?S FAIR IN MILAN UNDER THE LARGEST SPD-SMARTGLASS ROOF IN THE WORLD Woodbury, NY ? October 9, 2015.

September 30, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 30, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPL

September 30, 2015 EX-99.1

Church History Museum Uses VariGuard SmartGlass in its Display Cases to Protect Light-Sensitive Historical Documents and Artifacts

Church History Museum Uses VariGuard SmartGlass in its Display Cases to Protect Light-Sensitive Historical Documents and Artifacts Salt Lake City, UT ? September 30, 2015.

September 28, 2015 EX-99.1

VISION SYSTEMS SPD-SMART NUANCE TOUCHLESS MULTIZONE AIRCRAFT EDW SELECTED AS A FINALIST IN PRESTIGIOUS 2015 APEX AWARD Research Frontiers licensee Vision Systems’ innovative electronically dimmable window system to be showcased at the APEX 2015 Expo

VISION SYSTEMS SPD-SMART NUANCE TOUCHLESS MULTIZONE AIRCRAFT EDW SELECTED AS A FINALIST IN PRESTIGIOUS 2015 APEX AWARD Research Frontiers licensee Vision Systems? innovative electronically dimmable window system to be showcased at the APEX 2015 Expo from September 28 ? October 1 in Portland, Oregon.

September 28, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 24, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLO

September 9, 2015 EX-99.1

Research Frontiers to Present at Upcoming Craig-Hallum Alpha Select Investor Conference

Research Frontiers to Present at Upcoming Craig-Hallum Alpha Select Investor Conference WOODBURY, NY - (September 8, 2015) - Research Frontiers Inc.

September 9, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): September 8, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOY

August 18, 2015 EX-99.1

RESEARCH FRONTIERS AND ZULI DEMONSTRATE THE LATEST IN SMART HOME DESIGN AT MILAN WORLD’S FAIR: THE ZULI SMARTPLUG FOR USE WITH SPD-SMARTGLASS Zuli Smartplugs have begun shipping to customers and are now available nationwide.

RESEARCH FRONTIERS AND ZULI DEMONSTRATE THE LATEST IN SMART HOME DESIGN AT MILAN WORLD?S FAIR: THE ZULI SMARTPLUG FOR USE WITH SPD-SMARTGLASS Zuli Smartplugs have begun shipping to customers and are now available nationwide.

August 18, 2015 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): August 17, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER

August 4, 2015 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended June 30, 2015 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (E

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended June 30, 2015 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in charter) Delaware 11-2103466 (State of incorporation or organization) (IRS Employer Identification No.) 240 Cr

June 19, 2015 EX-99.1

US First Lady Michelle Obama and Presidential Delegation Visit the USA Pavilion at the Milan World’s Fair

US First Lady Michelle Obama and Presidential Delegation Visit the USA Pavilion at the Milan World’s Fair June 18, 2015 – Milan, Italy – Today Michelle Obama, the First Lady of the United States, along with members of a presidential delegation, visited the USA Pavilion at the Expo Milano 2015 World’s Fair.

June 19, 2015 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 18, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

June 12, 2015 EX-99.2

EX-99.2

June 12, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): June 11, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

June 12, 2015 EX-99.1

RESEARCH FRONTIERS ANNOUNCES STRATEGIC INVESTMENT IN ZULI, INC. AND DEMONSTRATES ZULI SMARTPLUG FOR USE WITH SPD-SMARTGLASS AT ANNUAL STOCKHOLDERS MEETING

RESEARCH FRONTIERS ANNOUNCES STRATEGIC INVESTMENT IN ZULI, INC. AND DEMONSTRATES ZULI SMARTPLUG FOR USE WITH SPD-SMARTGLASS AT ANNUAL STOCKHOLDERS MEETING June 11, 2015 –Woodbury, NY and San Francisco, CA – Using a Zuli Smartplug, you can walk into a room with your smartphone, and have the lights automatically turn on, temperature adjust, and the glass in your windows instantly go from an energy-s

May 20, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): May 20, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER OF

May 20, 2015 EX-99.1

ELECTRONICALLY DIMMABLE WINDOWS USING SPD-SMART TECHNOLOGY INVENTED BY RESEARCH FRONTIERS AND SUPPLIED BY INSPECTECH AERO SERVICE NOW STANDARD EQUIPMENT ON ALL MODELS OF KING AIR AIRCRAFT

ELECTRONICALLY DIMMABLE WINDOWS USING SPD-SMART TECHNOLOGY INVENTED BY RESEARCH FRONTIERS AND SUPPLIED BY INSPECTECH AERO SERVICE NOW STANDARD EQUIPMENT ON ALL MODELS OF KING AIR AIRCRAFT Woodbury, NY, May 20, 2015 ? Electronically Dimmable Windows (EDWs) using patented SPD-Smart light-control technology invented by Research Frontiers, and supplied by InspecTech Aero Service, have been selected as standard equipment on the King Air C90GTx, the King Air 250, and the King Air 350i.

May 13, 2015 EX-99.1

VARIGUARD WILL DEMONSTRATE ITS SMARTGLASS PANELS TO ARTIFACT CONSERVATORS THIS WEEK AT THE AIC ANNUAL MEETING

VARIGUARD WILL DEMONSTRATE ITS SMARTGLASS PANELS TO ARTIFACT CONSERVATORS THIS WEEK AT THE AIC ANNUAL MEETING Woodbury, NY ? May 12, 2015.

May 13, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): May 12, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER OF

May 5, 2015 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended March 31, 2015 Commission File No. 1-9399 RESEARCH FRONTIERS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For Quarter Ended March 31, 2015 Commission File No. 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in charter) Delaware 11-2103466 (State of incorporation or organization) (IRS Employer Identificat

May 4, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): May 1, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER OF

May 4, 2015 EX-99.1

WORLD’S LARGEST SMART GLASS ROOF DEBUTS TODAY AT THE OPENING OF THE WORLD’S FAIR IN MILAN

WORLD?S LARGEST SMART GLASS ROOF DEBUTS TODAY AT THE OPENING OF THE WORLD?S FAIR IN MILAN May 1, 2015 ? Milan, Italy ? Starting now through October 31, 2015, over 20 million people are expected to attend Expo Milano 2015 and can experience SPD-SmartGlass in the roof of the USA Pavilion of the World's Fair.

April 28, 2015 DEF 14A

Research Frontiers DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 28, 2015 DEFA14A

Research Frontiers DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

April 22, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): April 20, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER

April 22, 2015 EX-99.1

LINCOLN CONTINENTAL CONCEPT USING SPD-SMARTGLASS PANORAMIC ROOF IS DEMONSTRATED AT THE 2015 SHANGHAI MOTOR SHOW

LINCOLN CONTINENTAL CONCEPT USING SPD-SMARTGLASS PANORAMIC ROOF IS DEMONSTRATED AT THE 2015 SHANGHAI MOTOR SHOW Shanghai, China ? April 20, 2015.

April 15, 2015 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): April 14, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11 -2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER

April 15, 2015 EX-99.1

VISION SYSTEMS’ NEW CONTROLLER MAKES OPERATING SPD-SMART ELECTRONICALLY DIMMABLE WINDOWS (EDWs) FOR AIRCRAFT AS SIMPLE AS MOVING YOUR HAND IN FRONT OF THE WINDOW Passengers on commercial airliners with Vision Systems’ Nuance SPD-Smart EDWs can manage

VISION SYSTEMS? NEW CONTROLLER MAKES OPERATING SPD-SMART ELECTRONICALLY DIMMABLE WINDOWS (EDWs) FOR AIRCRAFT AS SIMPLE AS MOVING YOUR HAND IN FRONT OF THE WINDOW Passengers on commercial airliners with Vision Systems? Nuance SPD-Smart EDWs can manage the amount of daylight coming through their windows by using simple hand movements ? just like how they operate their smart phone, but without requiring that they touch the window.

April 10, 2015 EX-99.1

SPD-SMART ELECTRONICALLY DIMMABLE WINDOWS NOW FLYING ON A DASSAULT FALCON 900: VISION SYSTEMS ACHIEVES AVIATION AFTERMARKET MILESTONE RUAG Aviation offered Vision Systems’ Noctis SPD-Smart EDW system to the Royal Malaysian Air Force, and this innovat

SPD-SMART ELECTRONICALLY DIMMABLE WINDOWS NOW FLYING ON A DASSAULT FALCON 900: VISION SYSTEMS ACHIEVES AVIATION AFTERMARKET MILESTONE RUAG Aviation offered Vision Systems? Noctis SPD-Smart EDW system to the Royal Malaysian Air Force, and this innovative shading solution and cabin appearance enhancement was selected.

April 10, 2015 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): April 9, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

April 10, 2015 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): April 8, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

April 10, 2015 EX-99.1

ISOCLIMA AND SABIC INNOVATIVE PLASTICS TO FEATURE NEW SPD-SMART ELECTRONICALLY DIMMABLE WINDOW (EDW) AT AIRCRAFT INTERIORS EXPO

ISOCLIMA AND SABIC INNOVATIVE PLASTICS TO FEATURE NEW SPD-SMART ELECTRONICALLY DIMMABLE WINDOW (EDW) AT AIRCRAFT INTERIORS EXPO New generation of CromaLite SPD-Smart EDWs to be exhibited in Hamburg, Germany next week is the result of Isoclima?s product development program spanning over nine years.

March 31, 2015 EX-99.1

LINCOLN REVIVES THE CONTINENTAL NAME AND INTRODUCES LINCOLN CONTINENTAL CONCEPT USING RESEARCH FRONTIERS’ PATENTED SPD-SMARTGLASS TECHNOLOGY

LINCOLN REVIVES THE CONTINENTAL NAME AND INTRODUCES LINCOLN CONTINENTAL CONCEPT USING RESEARCH FRONTIERS’ PATENTED SPD-SMARTGLASS TECHNOLOGY Woodbury, New York – March 30, 2015.

March 31, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 30, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER

March 20, 2015 EX-99.1

GLASS LEADER AGC AUTOMOTIVE EUROPE ANNOUNCES PRODUCTION OF LARGEST SPD-SMARTGLASS WONDERLITE SUNROOF FOR MERCEDES-MAYBACH S600 TO BOOST ITS INNOVATION STRATEGY

GLASS LEADER AGC AUTOMOTIVE EUROPE ANNOUNCES PRODUCTION OF LARGEST SPD-SMARTGLASS WONDERLITE SUNROOF FOR MERCEDES-MAYBACH S600 TO BOOST ITS INNOVATION STRATEGY Woodbury, New York ? March 19, 2015.

March 20, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 18, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER

March 20, 2015 EX-99.1

"Building the Expo" to Highlight SPD-SmartGlass CromaLite Roof Used in the USA Pavilion at Milan World’s Fair

"Building the Expo" to Highlight SPD-SmartGlass CromaLite Roof Used in the USA Pavilion at Milan World?s Fair March 18, 2015 ? Milan, Italy ? James Biber, the architect whose firm was selected after winning the competition to build the USA Pavilion at this year?s World?s Fair, Expo Milano 2015, will be highlighting the design aspects of the USA Pavilion at "Building the Expo," a special event being held from March 18 to 21, 2015 in Milan.

March 20, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 19, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER

March 11, 2015 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Amendment No. 1 to FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Amendment No. 1 to FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 Commission File Number 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE (State or other jurisdiction of incorpor

March 11, 2015 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 Commission File Number 1-9399 RESEA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) of THE SECURITIES AND EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2014 Commission File Number 1-9399 RESEARCH FRONTIERS INCORPORATED (Exact name of registrant as specified in its charter) DELAWARE (State or other jurisdiction of incorporation or organizati

March 6, 2015 8-K

Research Frontiers CURRENT REPORT (Current Report/Significant Event)

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 4, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

March 6, 2015 EX-99.1

TWO NEW MERCEDES-BENZ VEHICLES WITH THE MAGIC SKY CONTROL PANORAMIC ROOF WITH SPD-SMARTGLASS DEBUT AT THE 2015 GENEVA MOTOR SHOW

TWO NEW MERCEDES-BENZ VEHICLES WITH THE MAGIC SKY CONTROL PANORAMIC ROOF WITH SPD-SMARTGLASS DEBUT AT THE 2015 GENEVA MOTOR SHOW Geneva, Switzerland – March 3, 2015.

March 6, 2015 EX-99.1

USA Pavilion to Introduce Largest SmartGlass Roof at Next World’s Fair

USA Pavilion to Introduce Largest SmartGlass Roof at Next World’s Fair March 4, 2015 – Milan, Italy – Research Frontiers’ patented SPD-SmartGlass technology has been selected as the exclusive smart glass for the USA Pavilion at this year’s World’s Fair, Expo Milano 2015, which is expected to attract 20-30 million people from May through October.

March 6, 2015 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): March 3, 2015 RESEARCH FRONTIERS INCORPORATED (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-9399 11-2103466 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) (IRS EMPLOYER O

March 3, 2015 EX-99.1

VISION SYSTEMS TO UNVEIL NEW SPD-SMART ELECTRONICALLY DIMMABLE SUN VISOR NEXT WEEK AT 2015 HAI HELI-EXPO Opti-Visor brings dynamic solar control to aircraft cockpits, providing automated management of intense high-altitude light and glare, and protec

VISION SYSTEMS TO UNVEIL NEW SPD-SMART ELECTRONICALLY DIMMABLE SUN VISOR NEXT WEEK AT 2015 HAI HELI-EXPO Opti-Visor brings dynamic solar control to aircraft cockpits, providing automated management of intense high-altitude light and glare, and protection from harmful UV radiation.

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