Sec Form 13G Filing - D. E. SHAW & CO L.P. @ APPLIED OPTOELECTRONICS INC.

Insider filing report for Changes in Beneficial Ownership

Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.

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SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Amendment No. 2)

Under the Securities Exchange Act of 1934

Applied Optoelectronics, Inc.

(Name of Issuer)

Common Stock, $0.001 par value

(Title of Class of Securities)

03823U102

(CUSIP Number)

December 31, 2022

(Date of Event Which Requires Filing of this Statement)

Check the following box to designate the rule pursuant to which the Schedule is filed:

¨	Rule 13d-1(b)
x	Rule 13d-1(c)
¨	Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 03823U102
	1.	Names of Reporting Persons D. E. Shaw Valence Portfolios, L.L.C.
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)	¨
		(b)	¨
	3.	SEC Use Only
	4.	Citizenship or Place of Organization Delaware
Number of Shares Beneficially Owned by Each Reporting Person With			5.	Sole Voting Power -0-
			6.	Shared Voting Power 789,173¹
			7.	Sole Dispositive Power -0-
			8.	Shared Dispositive Power 789,173¹
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person 789,173¹
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
	11.	Percent of Class Represented by Amount in Row (9) 2.7%²
	12.	Type of Reporting Person (See Instructions) OO

¹Consists of 789,173 shares of Common Stock issuable upon conversion of convertible securities.

² This percentage figure is based upon 29,312,892 shares of Common Stock outstanding, consisting of: (i) 28,523,719 shares of Common Stock outstanding as of November 1, 2022, as reported in the Issuer’s Form 10-Q filed with the SEC on November 3, 2022, and (ii) 789,173 shares of Common Stock issuable upon conversion of convertible securities.

CUSIP No. 03823U102
	1.	Names of Repo rting Persons D. E. Shaw & Co., L.L.C.
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)	¨
		(b)	¨
	3.	SEC Use Only
	4.	Citizenship or Place of Organization Delaware
Number of Shares Beneficially Owned by Each Reporting Person With			5.	Sole Voting Power -0-
			6.	Shared Voting Power 789,173¹
			7.	Sole Dispositive Power -0-
			8.	Shared Dispositive Power 789,173¹
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person 789,173¹
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
	11.	Percent of Class Represented by Amount in Row (9) 2.7%²
	12.	Type of Reporting Person (See Instructions) OO

¹Consists of 789,173 shares of Common Stock issuable upon conversion of convertible securities.

CUSIP No. 03823U102
	1.	Names of Reporting Persons D. E. Shaw & Co., L.P.
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)	¨
		(b)	¨
	3.	SEC Use Only
	4.	Citizenship or Place of Organization Delaware
Number of Shares Beneficially Owned by Each Reporting Person With			5.	Sole Voting Power -0-
			6.	Shared Voting Power 789,173¹
			7.	Sole Dispositive Power -0-
			8.	Shared Dispositive Power 789,173¹
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person 789,173¹
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
	11.	Percent of Class Represented by Amount in Row (9) 2.7%²
	12.	Type of Reporting Person (See Instructions) IA, PN

¹ Consists of 789,173 shares of Common Stock issuable upon conversion of convertible securities.

CUSIP No. 03823U102
	1.	Names of Reporting Persons David E. Shaw
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)	¨
		(b)	¨
	3.	SEC Use Only
	4.	Citizenship or Place of Organization United States
Number of Shares Beneficially Owned by Each Reporting Person With			5.	Sole Voting Power -0-
			6.	Shared Voting Power 789,173¹
			7.	Sole Dispositive Power -0-
			8.	Shared Dispositive Power 789,173¹
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person 789,173¹
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
	11.	Percent of Class Represented by Amount in Row (9) 2.7%²
	12.	Type of Reporting Person (See Instructions) IN

¹ Consists of 789,173 shares of Common Stock issuable upon conversion of convertible securities.

Item 1.
	(a)	Name of Issuer
		Applied Optoelectronics, Inc.

	(b)	Address of Issuer's Principal Executive Offices
		13139 Jess Pirtle Blvd. Sugar Land, TX 77478

Item 2.
	(a)	Name of Person Filing
		D. E. Shaw Valence Portfolios, L.L.C. D. E. Shaw & Co., L.L.C. D. E. Shaw & Co., L.P. David E. Shaw

	(b)	Address of Principal Business Office or, if none, Residence
		The business address for each reporting person is: 1166 Avenue of the Americas, 9^th Floor New York, NY 10036

	(c)	Citizenship
		D. E. Shaw Valence Portfolios, L.L.C. is a limited liability company organized under the laws of the state of Delaware. D. E. Shaw & Co., L.L.C. is a limited liability company organized under the laws of the state of Delaware. D. E. Shaw & Co., L.P. is a limited partnership organized under the laws of the state of Delaware. David E. Shaw is a citizen of the United States of America.

	(d)	Title of Class of Securities
		Common Stock, $0.001 par value

	(e)	CUSIP Number
		03823U102

Item 3.		If this statement is filed pursuant to Rule 13d-1(b) or 13d-2(b) or (c), check whether the person filing is a:
Not Applicable
Item 4.		Ownership

As of December 31, 2022:

(a)	Amount beneficially owned:

	D. E. Shaw Valence Portfolios, L.L.C.:	789,173 shares This is composed of 789,173 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through convertible securities.

	D. E. Shaw & Co., L.L.C.:	789,173 shares This is composed of 789,173 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through convertible securities.

	D. E. Shaw & Co., L.P.:	789,173 shares This is composed of 789,173 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through convertible securities.

	David E. Shaw:	789,173 shares This is composed of 789,173 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through convertible securities.

(b)

Percent of class:

	D. E. Shaw Valence Portfolios, L.L.C.:	2.7%
	D. E. Shaw & Co., L.L.C.:	2.7%
	D. E. Shaw & Co., L.P.:	2.7%
	David E. Shaw:	2.7%

(c)

Number of shares to which the person has:

(i)

Sole power to vote or to direct the vote:

	D. E. Shaw Valence Portfolios, L.L.C.:	-0- shares
	D. E. Shaw & Co., L.L.C.:	-0- shares
	D. E. Shaw & Co., L.P.:	-0- shares
	David E. Shaw:	-0- shares

(ii)

Shared power to vote or to direct the vote:

	D. E. Shaw Valence Portfolios, L.L.C.:	789,173 shares
	D. E. Shaw & Co., L.L.C.:	789,173 shares
	D. E. Shaw & Co., L.P.:	789,173 shares
	David E. Shaw:	789,173 shares

(iii)

Sole power to dispose or to direct the disposition of:

	D. E. Shaw Valence Portfolios, L.L.C.:	-0- shares
	D. E. Shaw & Co., L.L.C.:	-0- shares
	D. E. Shaw & Co., L.P.:	-0- shares
	David E. Shaw:	-0- shares

(iv)

Shared power to dispose or to direct the disposition of:

	D. E. Shaw Valence Portfolios, L.L.C.:	789,173 shares
	D. E. Shaw & Co., L.L.C.:	789,173 shares
	D. E. Shaw & Co., L.P.:	789,173 shares
	David E. Shaw:	789,173 shares

David E. Shaw does not own any shares directly. By virtue of David E. Shaw’s position as President and sole shareholder of D. E. Shaw & Co., Inc., which is the general partner of D. E. Shaw & Co., L.P., which in turn is the investment adviser of D. E. Shaw Valence Portfolios, L.L.C., and by virtue of David E. Shaw’s position as President and sole shareholder of D. E. Shaw & Co. II, Inc., which is the managing member of D. E. Shaw & Co., L.L.C., which in turn is the manager of D. E. Shaw Valence Portfolios, L.L.C., David E. Shaw may be deemed to have the shared power to vote or direct the vote of, and the shared power to dispose or direct the disposition of, the 789,173 shares as described above constituting 2.7% of the outstanding shares and, therefore, David E. Shaw may be deemed to be the beneficial owner of such shares. David E. Shaw disclaims beneficial ownership of such 789,173 shares.

Item 5.	Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following x.
Item 6.	Ownership of More than Five Percent on Behalf of Another Person.
Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.
Not Applicable
Item 8.	Identification and Classification of Members of the Group
Not Applicable
Item 9.	Notice of Dissolution of Group
Not Applicable
Item 10.	Certification

By signing below, each of D. E. Shaw Valence Portfolios, L.L.C., D. E. Shaw & Co., L.L.C., D. E. Shaw & Co., L.P., and David E. Shaw certify that, to the best of such reporting person’s knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having such purposes or effect.

SIGNATURE

After reasonable inquiry and to the best of their knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. Powers of Attorney, dated March 1, 2017, granted by David E. Shaw in favor of Nathan Thomas, are attached hereto.

Dated: February 14, 2023

	D. E. Shaw Valence Portfolios, L.L.C.

	By:	/s/ Nathan Thomas
		Nathan Thomas
		Authorized Signatory

	D. E. Shaw & Co., L.L.C.

	By:	/s/ Nathan Thomas
		Nathan Thomas
		Authorized Signatory

	D. E. Shaw & Co., L.P.

	By:	/s/ Nathan Thomas
		Nathan Thomas
		Chief Compliance Officer

	David E. Shaw

	By:	/s/ Nathan Thomas
		Nathan Thomas
		Attorney-in-Fact for David E. Shaw

Sec Form 13G Filing - D. E. SHAW & CO L.P. filing for APPLIED OPTOELECTRONICS INC. (AAOI) - 2023-02-14