Insider Transactions Reported by 11 Insiders of APPLIED OPTOELECTRONICS, INC.

Symbol: AAOI on Nasdaq
Location: Sugar Land, TX

Quick Takeaways

AAOI - APPLIED OPTOELECTRONICS, INC. has 11 insiders with reported activity on this page.
Net insider value flow over the last year: -$27,829,130.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $1,660,956; sell value: $29,490,086.
Net share flow: -323,162.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$27,829,130.

Buys

$1,660,956

Shares: 77,984

Insiders: 4

Sells

$29,490,086

Shares: 401,146

Insiders: 8

Net

-$27,829,130

Shares: -323,162

Insiders: -4

Window (months)	Buy shares	Sell shares	Buy $	Sell $	Net $
0-3	0	292,478	$0	$26,563,424	-$26,563,424
3-6	0	36,621	$0	$1,429,575	-$1,429,575
6-9	56,784	29,784	$1,274,734	$671,431	+$603,303
9-12	21,200	42,263	$386,222	$825,656	-$439,434

APPLIED OPTOELECTRONICS, INC. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Chih-Hsiang (thompson) Lin	President and CEO, Director	$142,839,265	+$983,692	+0.69%	Median	22 Apr 2026
Shu-Hua (joshua) Yeh	Senior Vice President and Asia General Manager.	$26,843,991	-$4,854,880	-15%	Median	22 Apr 2026
Stefan J. Murry	Chief Financial Officer	$22,849,985	-$2,428,685	-9.6%	Median	22 Apr 2026
Hung-Lun (fred) Chang	*** Senior Vice President and North America General Manager.	$19,326,976	-$4,461,507	-19%	Median	22 Apr 2026
Richard B. Black	Director	$15,614,485	-$306,945	-1.9%	Filing P/S	05 Mar 2026
Cynthia DeLaney	Director	$11,496,358	-$2,058,344	-15%	Mixed	04 Mar 2026
William H. Yeh	Director	$10,505,647	+$405,700	+4%	Mixed	09 Mar 2026
Min-Chu (mike) Chen	Director	$9,387,507	-$70,675	-0.75%	Mixed	06 Mar 2026
David C. Kuo	***Senior Vice President and Chief Legal Officer	$6,689,215	-$5,212,034	-44%	Median	22 Apr 2026
Che-Wei Lin	Director	$5,485,869	+$99,739	+1.9%	Filing P/S	14 Aug 2025
Elizabeth G. Loboa	Director	$1,965,253	-$9,925,190	-83%	Filing P/S	03 Mar 2026

Top shareholders of APPLIED OPTOELECTRONICS, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Invesco Ltd.	13D/G 13F	Company	2.7%	2,014,405	$303,369,393	-$225,584,342	31 Mar 2026	13D/G 13F
JANE STREET GROUP, LLC	13D/G 13F	Company	5.3%	4,097,237	$238,131,414	$0	17 Mar 2026	13D/G 13F
BlackRock, Inc.	13F	Company	7.1%	5,306,432	$184,982,220	—	31 Dec 2025	13F
VANGUARD GROUP INC	13F	Company	6.7%	4,982,660	$173,695,528	—	31 Dec 2025	13F
Chih-Hsiang (thompson) Lin	3/4/5	President and CEO, Director	2.3%	1,688,605	$142,839,265	+$983,692	22 Apr 2026	3/4/5
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	3%	2,229,757	$77,730,000	—	31 Dec 2025	13F
JPMORGAN CHASE & CO	13D/G 13F	Company	4.4%	2,800,882	$72,626,870	-$49,989,643	31 Oct 2025	13D/G 13F
OBERWEIS ASSET MANAGEMENT INC/	13F	Company	2.7%	2,039,641	$71,101,885	—	31 Dec 2025	13F
HAWK RIDGE CAPITAL MANAGEMENT LP	13F	Company	2.3%	1,700,900	$59,293,374	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	2.3%	1,699,855	$59,256,962	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	2.2%	1,606,236	$55,993,387	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2%	1,512,902	$52,750,249	—	31 Dec 2025	13F
D. E. Shaw & Co., Inc.	13F	Company	1.8%	1,366,856	$47,648,600	—	31 Dec 2025	13F
Hood River Capital Management LLC	13F	Company	1.7%	1,275,621	$44,468,148	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.3%	967,305	$33,720,252	—	31 Dec 2025	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	1.3%	955,287	$33,301,305	—	31 Dec 2025	13F
UBS Group AG	13F	Company	1.3%	951,065	$33,154,126	—	31 Dec 2025	13F
D. E. SHAW & CO, L.P.	13D/G	—	4.2%	2,239,337	$28,708,300	-$3,365,160	31 Mar 2025	13D/G
ROYCE & ASSOCIATES LP	13F	Company	1%	773,948	$26,979,827	—	31 Dec 2025	13F
Artemis Investment Management LLP	13F	Company	1%	772,324	$26,923,215	—	31 Dec 2025	13F
Shu-Hua (joshua) Yeh	3/4/5	Senior Vice President and Asia General Manager.	0.43%	317,342	$26,843,991	-$4,854,880	22 Apr 2026	3/4/5
EMERALD ADVISERS, LLC	13F	Company	0.9%	670,577	$23,376,314	—	31 Dec 2025	13F
Stefan J. Murry	3/4/5	Chief Financial Officer	0.36%	270,126	$22,849,985	-$2,428,685	22 Apr 2026	3/4/5
Hung-Lun (fred) Chang	3/4/5	*** Senior Vice President and North America General Manager.	0.31%	228,478	$19,326,976	-$4,461,507	22 Apr 2026	3/4/5
CITADEL ADVISORS LLC	13F	Company	0.74%	551,297	$19,218,213	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.71%	528,343	$18,418,037	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.71%	526,928	$18,368,710	—	31 Dec 2025	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.68%	507,473	$17,690,509	—	31 Dec 2025	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	0.64%	475,015	$16,559,023	—	31 Dec 2025	13F
NEXT CENTURY GROWTH INVESTORS LLC	13F	Company	0.62%	465,288	$16,219,939	—	31 Dec 2025	13F
Richard B. Black	3/4/5	Director	0.22%	164,363	$15,614,485	-$306,945	05 Mar 2026	3/4/5
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.6%	447,109	$15,586,220	—	31 Dec 2025	13F
Penn Capital Management Company, LLC	13F	Company	0.6%	446,032	$15,565,142	—	31 Dec 2025	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.56%	418,219	$14,584,168	—	31 Dec 2025	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.53%	399,050	$13,910,883	—	31 Dec 2025	13F
RAYMOND JAMES FINANCIAL INC	13F	Company	0.51%	379,221	$13,563,514	—	31 Dec 2025	13F
Steward Partners Investment Advisory, LLC	13F	Company	0.49%	366,417	$12,773,297	—	31 Dec 2025	13F
Cynthia DeLaney	3/4/5	Director	0.16%	118,602	$11,496,358	-$2,058,344	04 Mar 2026	3/4/5
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.44%	329,471	$11,485,359	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.44%	325,842	$11,358,852	—	31 Dec 2025	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.42%	315,039	$10,982,260	—	31 Dec 2025	13F
William H. Yeh	3/4/5	Director	0.32%	238,819	$10,505,647	+$405,700	09 Mar 2026	3/4/5
Min-Chu (mike) Chen	3/4/5	Director	0.25%	189,300	$9,387,507	-$70,675	06 Mar 2026	3/4/5
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F	Company	0.36%	266,272	$9,282,242	—	31 Dec 2025	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.35%	263,616	$9,189,654	—	31 Dec 2025	13F
FIRST TRUST ADVISORS LP	13F	Company	0.32%	242,010	$8,436,468	—	31 Dec 2025	13F
BARCLAYS PLC	13F	Company	0.32%	235,704	$8,216,641	—	31 Dec 2025	13F
Portolan Capital Management, LLC	13F	Company	0.31%	228,458	$7,964,046	—	31 Dec 2025	13F
Nuveen, LLC	13F	Company	0.3%	225,288	$7,853,540	—	31 Dec 2025	13F
1492 Capital Management LLC	13F	Company	0.29%	215,987	$7,529,307	—	31 Dec 2025	13F

Recent Insider Transactions by Companies or Individuals for APPLIED OPTOELECTRONICS, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Chih-Hsiang (thompson) Lin	AAOI	Common Stock, $.001 par value	Tax liability	-0.98%			-16,672	1,688,605	22 Apr 2026	Direct
Hung-Lun (fred) Chang	AAOI	Common Stock, $.001 par value	Tax liability	-2.2%			-5,140	228,478	22 Apr 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Tax liability	-2.15%			-5,944	270,126	22 Apr 2026	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Tax liability	-4.34%			-3,585	79,078	22 Apr 2026	Direct
Shu-Hua (joshua) Yeh	AAOI	Common Stock, $.001 par value	Tax liability	-1.46%			-4,709	317,342	22 Apr 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-1.43%	$546,014	$136.50	-4,000	276,070	10 Apr 2026	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Sale	-26%	$2,903,700	$100.13	-29,000	82,663	19 Mar 2026	Direct
Hung-Lun (fred) Chang	AAOI	Common Stock, $.001 par value	Sale	-13.5%	$3,648,918	$100.24	-36,400	233,618	16 Mar 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-1.41%			-4,000	280,070	10 Mar 2026	Direct
Min-Chu (mike) Chen	AAOI	Common Stock, $.001 par value	Sale	-4.96%			-8,835	169,300	09 Mar 2026	Direct
Shu-Hua (joshua) Yeh	AAOI	Common Stock, $.001 par value	Sale	-13.4%	$4,854,880	$97.10	-50,000	322,051	09 Mar 2026	Direct
William H. Yeh	AAOI	Common Stock, $.001 par value	Sale	-5.91%			-15,000	238,819	09 Mar 2026	Direct
Min-Chu (mike) Chen	AAOI	Common Stock, $.001 par value	Sale	-11.1%	$242,500	$97.00	-2,500	20,000	06 Mar 2026	By Spouse
Richard B. Black	AAOI	Common Stock, $.001 par value	Sale	-1.93%	$306,945	$95.00	-3,231	164,363	05 Mar 2026	By Trust
Cynthia DeLaney	AAOI	Common Stock, $.001 par value	Sale	-15.3%	$2,058,344	$98.02	-21,000	116,222	04 Mar 2026	Direct
Elizabeth G. Loboa	AAOI	Common Stock, $.001 par value	Sale	-83.3%	$9,800,605	$95.76	-102,347	20,523	03 Mar 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-2.06%	$299,922	$50.15	-5,980	284,070	20 Feb 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-3.88%	$587,621	$50.25	-11,693	290,050	11 Feb 2026	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Sale	-13.5%	$876,251	$50.17	-17,467	111,663	11 Feb 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-2.05%	$311,068	$49.17	-6,327	301,743	10 Feb 2026	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Sale	-1.92%	$126,654	$50.00	-2,533	129,130	10 Feb 2026	Direct
Shu-Hua (joshua) Yeh	AAOI	Common Stock, $.001 par value	Award	7.45%			25,799	372,051	09 Feb 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Award	11.7%			32,249	308,070	09 Feb 2026	Direct
Chih-Hsiang (thompson) Lin	AAOI	Common Stock, $.001 par value	Award	5.09%			82,559	1,705,277	09 Feb 2026	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Award	14.8%			17,027	131,663	09 Feb 2026	Direct
Hung-Lun (fred) Chang	AAOI	Common Stock, $.001 par value	Award	10.6%			25,799	270,018	09 Feb 2026	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Sale	-9.48%	$540,660	$45.06	-12,000	114,636	28 Jan 2026	Direct
Shu-Hua (joshua) Yeh	AAOI	Common Stock, $.001 par value	Tax liability	-1.68%			-5,923	346,252	22 Jan 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Tax liability	-2.53%			-7,150	275,821	22 Jan 2026	Direct
Chih-Hsiang (thompson) Lin	AAOI	Common Stock, $.001 par value	Tax liability	-1.32%			-21,672	1,622,718	22 Jan 2026	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Tax liability	-3.29%			-4,312	126,636	22 Jan 2026	Direct
Hung-Lun (fred) Chang	AAOI	Common Stock, $.001 par value	Tax liability	-2.53%			-6,338	244,219	22 Jan 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-0.02%	$2,311	$35.01	-66	282,971	15 Jan 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-0.33%	$32,690	$35.00	-934	283,037	13 Jan 2026	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-1.05%	$101,242	$33.75	-3,000	283,971	12 Jan 2026	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Sale	-8.71%	$501,875	$40.15	-12,500	130,948	23 Dec 2025	Direct
Elizabeth G. Loboa	AAOI	Common Stock, $.001 par value	Sale	-3.25%	$124,584	$30.23	-4,121	122,870	15 Dec 2025	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Gift	-0.35%			-1,000	286,971	11 Dec 2025	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-1.37%	$126,213	$31.55	-4,000	287,971	10 Dec 2025	Direct
Richard B. Black	AAOI	Common Stock, $.001 par value	Gift	-0.35%			-600	169,494	26 Nov 2025	By Trust
Hung-Lun (fred) Chang	AAOI	Common Stock, $.001 par value	Tax liability	-2.25%			-5,769	250,557	22 Oct 2025	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Tax liability	-2.66%			-3,923	143,448	22 Oct 2025	Direct
Chih-Hsiang (thompson) Lin	AAOI	Common Stock, $.001 par value	Tax liability	-1.15%			-19,100	1,644,390	22 Oct 2025	Direct
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Tax liability	-2.18%			-6,506	291,971	22 Oct 2025	Direct
Shu-Hua (joshua) Yeh	AAOI	Common Stock, $.001 par value	Tax liability	-1.65%			-5,923	352,175	22 Oct 2025	Direct
Richard B. Black	AAOI	Common Stock, $.001 par value	Gift	-1.12%			-1,900	168,194	22 Aug 2025	By Trust
Stefan J. Murry	AAOI	Common Stock, $.001 par value	Sale	-3.87%	$268,440	$22.37	-12,000	298,477	15 Aug 2025	Direct
David C. Kuo	AAOI	Common Stock, $.001 par value	Sale	-1.34%	$44,680	$22.34	-2,000	147,371	15 Aug 2025	Direct
Chih-Hsiang (thompson) Lin	AAOI	Common Stock, $.001 par value	Purchase	0.14%	$49,742	$21.39	2,325	1,663,490	14 Aug 2025	Direct
Chih-Hsiang (thompson) Lin	AAOI	Common Stock, $.001 par value	Purchase	0.35%	$124,315	$21.62	5,750	1,661,165	14 Aug 2025	By 401(k)

* An asterisk sign (*) next to the price indicates that the price is likely invalid.