Hung Lun (Fred) Chang Applied Optoelectronics, Inc. (AAOI) insider trading activity

Hung Lun (Fred) Chang is Officer of APPLIED OPTOELECTRONICS, INC.. Currently has a direct ownership of 278,842 shares of AAOI, which is worth approximately $7.31 Million. The most recent transaction as insider was on May 13, 2025, when has been sold 23,837 shares (Common stock, $.001 par value) at a price of $19.06 per share, resulting in proceeds of $454,333. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 279K

47.79% 3M change

11.69% 12M change

Total Value Held $7.31 Million

Hung-Lun (Fred) Chang Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
May 13 2025	SELL Open market or private sale	$454,333 $19.06 p/Share	23,837 Reduced 7.88%	278,842 Common stock, $.001 pa...
May 13 2025	SELL Payment of exercise price or tax liability	$804,656 $14.76 p/Share	54,516 Reduced 15.26%	302,679 Common stock, $.001 pa...
May 09 2025	BUY Grant, award, or other acquisition	-	142,857 Added 28.57%	357,195 Common stock, $.001 pa...
Apr 30 2025	SELL Payment of exercise price or tax liability	$7,778 $10.05 p/Share	774 Reduced 0.36%	214,338 Common stock, $.001 pa...
Apr 22 2025	SELL Payment of exercise price or tax liability	$59,908 $10.05 p/Share	5,961 Reduced 2.7%	215,112 Common stock, $.001 pa...
Apr 11 2025	BUY Grant, award, or other acquisition	-	32,397 Added 12.78%	221,073 Common stock, $.001 pa...
Jan 22 2025	SELL Payment of exercise price or tax liability	$229,622 $30.15 p/Share	7,616 Reduced 3.88%	188,676 Common stock, $.001 pa...
Nov 20 2024	SELL Open market or private sale	$616,803 $30.35 p/Share	20,323 Reduced 9.41%	195,572 Common stock, $.001 pa...
Nov 08 2024	SELL Open market or private sale	$446,015 $23.58 p/Share	18,915 Reduced 8.06%	215,895 Common stock, $.001 pa...
Oct 22 2024	SELL Payment of exercise price or tax liability	$133,864 $18.51 p/Share	7,232 Reduced 2.99%	234,810 Common stock, $.001 pa...
Jul 22 2024	SELL Payment of exercise price or tax liability	$73,771 $9.68 p/Share	7,621 Reduced 3.05%	242,042 Common stock, $.001 pa...
Jun 14 2024	SELL Payment of exercise price or tax liability	$163,010 $10.44 p/Share	15,614 Reduced 5.89%	249,663 Common stock, $.001 pa...
Jun 13 2024	SELL Sale (or disposition) back to the issuer	$422,350 $10.44 p/Share	40,455 Reduced 13.23%	265,277 Common stock, $.001 pa...
Jun 13 2024	BUY Grant, award, or other acquisition	-	80,910 Added 20.93%	305,732 Common stock, $.001 pa...
May 23 2024	SELL Payment of exercise price or tax liability	$8,314 $12.12 p/Share	686 Reduced 0.3%	224,822 Common stock, $.001 pa...
Apr 29 2024	BUY Grant, award, or other acquisition	-	25,671 Added 10.22%	225,508 Common stock, $.001 pa...
Apr 22 2024	SELL Payment of exercise price or tax liability	$91,772 $12.12 p/Share	7,572 Reduced 3.65%	199,837 Common stock, $.001 pa...
Jan 22 2024	SELL Payment of exercise price or tax liability	$144,661 $15.81 p/Share	9,150 Reduced 4.23%	207,409 Common stock, $.001 pa...
Jan 05 2024	SELL Payment of exercise price or tax liability	$17,084 $18.53 p/Share	922 Reduced 0.42%	216,559 Common stock, $.001 pa...
Jan 05 2024	BUY Exercise of conversion of derivative security	$15,224 $13.84 p/Share	1,100 Added 0.5%	217,481 Common stock, $.001 pa...
Oct 23 2023	SELL Payment of exercise price or tax liability	$37,818 $6.91 p/Share	5,473 Reduced 2.47%	216,381 Common stock, $.001 pa...
Aug 10 2023	SELL Open market or private sale	$192,008 $14.08 p/Share	13,637 Reduced 5.79%	221,854 Common stock, $.001 pa...
Aug 08 2023	SELL Open market or private sale	$390,416 $12.07 p/Share	32,346 Reduced 12.08%	235,491 Common stock, $.001 pa...
Jul 25 2023	SELL Payment of exercise price or tax liability	$5,080 $2.14 p/Share	2,374 Reduced 0.88%	267,837 Common stock, $.001 pa...
Jul 24 2023	SELL Payment of exercise price or tax liability	$57,371 $7.91 p/Share	7,253 Reduced 2.61%	270,211 Common stock, $.001 pa...

H(C

Hung Lun (Fred) Chang

Officer

Sugar Land, TX

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