APPLIED OPTOELECTRONICS, INC.

Regulatory Filings • Apr 2, 2025

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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 2, 2025

Applied Optoelectronics, Inc.

(Exact name of Registrant as specified in its charter)

Delaware	001-36083	76-0533927
(State of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

1 3139 Jess Pirtle Blvd.

Sugar Land , TX 77478

(Address of principal executive offices and zip code)

( 281 ) 295-1800

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, Par value $0.001	AAOI	NASDAQ Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

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Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On April 2, 2025, the Board of Directors of Applied Optoelectronics, Inc. (the “Company”) approved an amendment to the Company’s Amended and Restated By-laws (“Amendment No. 1 to the Amended and Restated By-laws”) to reduce the quorum needed for any special meeting of stockholders to one-third (33.33%) of the Company’s voting power of the issued and outstanding shares of capital stock of the Company entitled to vote thereat, present in person or represented by proxy.

The foregoing description of Amendment No. 1 to the Amended and Restated By-laws does not purport to be complete and is subject to and qualified in its entirety by reference to the full text of Amendment No. 1 to the Amended and Restated By-laws, a copy of which is attached hereto as Exhibit 3.1 and is incorporated by reference herein.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.	Description
3.1	Amendment No. 1 to the Amended and Restated By-laws of Applied Optoelectronics, Inc.
104	Cover Page Interactive Data File (formatted as Inline XBRL).

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Applied Optoelectronics, Inc.
By:	/s/ David
C. Kuo
	David C. Kuo
	Chief Legal and Compliance Officer

Date: April 2, 2025

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