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 250,557 shares of AAOI, which is worth approximately $8.37 Million. The most recent transaction as insider was on Oct 22, 2025, when has been sold 5,769 shares (Common stock, $.001 par value) at a price of $33.4 per share, resulting in proceeds of $192,684. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 251K

7.92% 3M change

6.71% 12M change

Total Value Held $8.37 Million

Hung-Lun (Fred) Chang Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 22 2025	SELL Payment of exercise price or tax liability	$192,684 $33.4 p/Share	5,769 Reduced 2.25%	250,557 Common stock, $.001 pa...
Aug 13 2025	SELL Open market or private sale	$358,296 $22.7 p/Share	15,784 Reduced 5.8%	256,326 Common stock, $.001 pa...
Jul 22 2025	SELL Payment of exercise price or tax liability	$190,044 $28.23 p/Share	6,732 Reduced 2.41%	272,110 Common stock, $.001 pa...
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...

H(C

Hung Lun (Fred) Chang

Officer

Sugar Land, TX

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells AAOI shares.

Notify only if

Value

Insider Trading

Get notified when an Applied Optoelectronics, Inc. insider buys or sells AAOI shares.

Notify only if

Operation

Value

Type

News

Receive news related to APPLIED OPTOELECTRONICS, INC.

Track Activities on AAOI

Account