Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Chang Hung-Lun (Fred)	2. Issuer Name and Ticker or Trading Symbol APPLIED OPTOELECTRONICS, INC. [ AAOI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                      _____ 10% Owner __ X __ Officer (give title below)      _____ Other (specify below) *** See Remarks
(Last)          (First)          (Middle) C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD.	3. Date of Earliest Transaction (MM/DD/YYYY) 7/17/2017
(Street) SUGAR LAND, TX 77478 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $.001 par value	7/17/2017		M		1310	A	$9.96	46596	D
Common Stock, $.001 par value	7/17/2017		F (1)		224	D	$84.20	46372	D
Common Stock, $.001 par value	7/17/2017		M		3300	A	$13.84	49672	D
Common Stock, $.001 par value	7/17/2017		F (2)		766	D	$84.20	48906	D

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Incentive Stock Option (Right to Buy)	$9.96	7/17/2017		M			1310	(3)	9/26/2023	Common Stock, $0.001 par value	1310	$0	1125	D
Incentive Stock Option (Right to Buy)	$13.84	7/17/2017		M			3300	(4)	1/28/2024	Common Stock, $0.001 par value	3300	$0	1100	D

Explanation of Responses:
(1)	Represents a "net exercise" of outstanding stock options. The reporting person received 1,086 shares of common stock on net exercise of option to purchase 1,310 shares of common stock. The Company withheld 224 shares of common stock underlying the option for payment of the exercise price and tax withholdings, using the closing stock price.
(2)	Represents a "net exercise" of outstanding stock options. The reporting person received 2,534 shares of common stock on net exercise of option to purchase 3,300 shares of common stock. The Company withheld 766 shares of common stock underlying the option for payment of the exercise price and tax withholdings, using the closing stock price.
(3)	The stock option grant vested as to 1/4th of the total number of shares on September 26, 2014 and thereafter vested and shall continue to vest as to 1/6th of the remainder of the shares in equal semiannual installments until all shares have vested.
(4)	The stock option grant vested as to 1/4th of the total number of shares on January 28, 2015 and thereafter vested and shall continue to vest as to 1/6th of the remainder of the shares in equal semiannual installments until all shares have vested.

Remarks: *** Senior Vice President of Optical Component Business Unit

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Chang Hung-Lun (Fred) C/O APPLIED OPTOELECTRONICS, INC. 13139 JESS PIRTLE BLVD. SUGAR LAND, TX 77478			*** See Remarks

Signatures
/s/ David C. Kuo, attorney in fact for Hung-Lun (Fred) Chang		7/19/2017
** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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