Comparable stake leader
Marex Securities Products Inc.
SEC ownership of APPLIED OPTOELECTRONICS, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001158114.
Disclosed value leader
BlackRock, Inc.
Comparable rows
7/50
Latest evidence
22 Oct 2026
- Public ticker
- AAOI on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Marex Securities Products Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
7 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Marex Securities Products Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
22 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001158114
- Issuer location
- Sugar Land, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of APPLIED OPTOELECTRONICS, INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Marex Securities Products...
Disclosed value leader
BlackRock, Inc.
Comparable rows
7/50
Latest evidence
22 Oct 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.6%
43 rows are not safely comparable across share classes.
13D/G row: Marex Securities Products Inc.
Showing 1-8 of 50 holder rows.
Quick read
Marex Securities Products Inc. leads the comparable SEC ownership view at 5.6%.
7 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Marex Securities Products Inc.'s linked filing trail.
Comparable ownership
Top 5
Marex Securities Products Inc.
5.6%
VANGUARD CAPITAL MANAGEMENT LLC
5.1%
BlackRock, Inc.
4.9%
JPMORGAN CHASE & CO
4.4%
D. E. SHAW & CO, L.P.
4.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Marex Securities Products Inc. |
13D/G
|
5.6%
Reported 13D/G
· 08 May 2026
|
$675,635,575
4,486,292 shares
|
$0 | 08 May 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Capital Management
|
5.1%
Reported 13D/G
· 30 Sep 2026
|
$498,262,228
3,363,001 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
4.9%
Reported 13D/G
· 30 Sep 2026
|
$955,672,005
6,450,270 shares
|
— | 30 Jun 2026 |
| JPMORGAN CHASE & CO |
13F
13D/G
Company
|
4.4%
Reported 13D/G
· 31 Oct 2025
|
$160,877,480
1,068,246 shares
|
— | 30 Jun 2026 |
| D. E. SHAW & CO, L.P. |
13D/G
|
4.2%
Reported 13D/G
· 31 Mar 2025
|
$28,708,300
2,239,337 shares
|
-$3,365,160 | 31 Mar 2025 |
| Invesco Ltd. |
13F
13D/G
Company
|
2.7%
Reported 13D/G
· 31 Mar 2026
|
$505,857,057
3,414,262 shares
|
— | 30 Jun 2026 |
| JANE STREET GROUP, LLC |
13D/G
13F
Company
|
2.4%
Reported 13D/G
· 30 Jun 2026
|
$218,474,453
1,952,757 shares
|
-$239,924,422 | 30 Jun 2026 |
| Marex Group Ltd |
13F
Company
|
—
denominator unverified
|
$419,333,100
2,830,272 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$122,604,659.
Buys
$0
Insiders: 0
Sells
$122,604,659
Insiders: 9
Net
-$122,604,659
Shares: -895,486
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 895,486
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 60,887 | $0 | $7,160,644 | -$7,160,644 |
| 3-6 | 0 | 505,500 | $0 | $87,451,016 | -$87,451,016 |
| 6-9 | 0 | 292,478 | $0 | $26,563,424 | -$26,563,424 |
| 9-12 | 0 | 36,621 | $0 | $1,429,575 | -$1,429,575 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-12 of 12 reporting-owner rows connected to APPLIED OPTOELECTRONICS, INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
12
Largest Forms 3/4/5 holder
Chih-Hsiang (thompson) Lin
Net 12M change
-$122.6M
Full value: -$122,604,659 · USD · 12-month changeLatest report
22 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Chih-Hsiang (thompson) Lin | President and CEO, Director | $275,468,290 | -$19,874,350 | -6.7% | Mixed | 22 Oct 2026 |
| Shu-Hua (joshua) Yeh | Senior Vice President and Asia General Manager. | $36,654,732 | -$21,878,369 | -37% | Median | 22 Oct 2026 |
| Stefan J. Murry | Chief Financial Officer | $35,457,954 | -$16,444,373 | -32% | Median | 22 Oct 2026 |
| Hung-Lun (fred) Chang | *** Senior Vice President and North America General Manager | $24,232,840 | -$26,363,755 | -52% | Median | 22 Oct 2026 |
| Richard B. Black | Director | $24,198,823 | -$306,945 | -1.3% | Mixed | 15 Sep 2026 |
| Che-Wei Lin | Director | $21,542,704 | Mixed | 09 Jun 2026 | ||
| William H. Yeh | Director | $20,300,331 | Mixed | 09 Jun 2026 | ||
| Min-Chu (mike) Chen | Director | $15,413,905 | -$1,900,147 | -11% | Mixed | 09 Jun 2026 |
| David C. Kuo | ***Senior Vice President and Chief Legal Officer | $14,117,551 | -$13,147,583 | -48% | Median | 22 Oct 2026 |
| Cynthia DeLaney | Director | $5,345,495 | -$12,763,947 | -70% | Mixed | 09 Jun 2026 |
| Elizabeth G. Loboa | Director | $1,965,253 | -$9,925,190 | -83% | Filing P/S | 03 Mar 2026 |
| Robert James Flanagan | Director | $98,631 | Mixed | 09 Jun 2026 |
Recent insider transactions for APPLIED OPTOELECTRONICS, INC.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Hung-Lun (fred) Chang | AAOI | Common Stock, $.001 par value | Tax liability | -2.06% | -5,141 | 244,135 | 22 Oct 2026 | Direct | ||
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Tax liability | -1.64% | -5,945 | 357,223 | 22 Oct 2026 | Direct | ||
| David C. Kuo | AAOI | Common Stock, $.001 par value | Tax liability | -2.46% | -3,586 | 142,228 | 22 Oct 2026 | Direct | ||
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Tax liability | -0.6% | -2,218 | 369,280 | 22 Oct 2026 | Direct | ||
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Tax liability | -1.29% | -16,673 | 1,279,374 | 22 Oct 2026 | Direct | ||
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Sale | -1.09% | -$411,480 | $102.87 | -4,000 | 363,168 | 12 Oct 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Sale | -1.59% | -$720,180 | $120.03 | -6,000 | 371,498 | 05 Oct 2026 | Direct |
| Richard B. Black | AAOI | Common Stock, $.001 par value | Gift | -1.36% | -2,200 | 159,092 | 15 Sep 2026 | By Trust | ||
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Sale | -1.08% | -$421,320 | $105.33 | -4,000 | 367,168 | 10 Sep 2026 | Direct |
| Hung-Lun (fred) Chang | AAOI | Common Stock, $.001 par value | Sale | -11.4% | -$3,545,676 | $110.21 | -32,172 | 249,276 | 08 Sep 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Sale | -1.56% | -$886,380 | $147.73 | -6,000 | 377,498 | 18 Aug 2026 | Direct |
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Sale | -1.07% | -$579,160 | $144.79 | -4,000 | 371,168 | 10 Aug 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Sale | -1.21% | -$596,448 | $126.50 | -4,715 | 383,498 | 04 Aug 2026 | Direct |
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Award | 0.72% | 9,251 | 1,296,047 | 31 Jul 2026 | Direct | ||
| David C. Kuo | AAOI | Common Stock, $.001 par value | Tax liability | -2.19% | -3,264 | 145,814 | 22 Jul 2026 | Direct | ||
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Tax liability | -1.42% | -5,408 | 375,168 | 22 Jul 2026 | Direct | ||
| Hung-Lun (fred) Chang | AAOI | Common Stock, $.001 par value | Tax liability | -1.64% | -4,676 | 280,064 | 22 Jul 2026 | Direct | ||
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Tax liability | -1.2% | -15,640 | 1,286,796 | 22 Jul 2026 | Direct | ||
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Tax liability | -1.2% | -4,709 | 388,213 | 22 Jul 2026 | Direct | ||
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Sale | -0.33% | -$154,226 | $120.02 | -1,285 | 392,922 | 21 Jul 2026 | Direct |
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Sale | -1.04% | -$488,360 | $122.09 | -4,000 | 380,576 | 10 Jul 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Sale | -1.5% | -$1,031,340 | $171.89 | -6,000 | 394,207 | 18 Jun 2026 | Direct |
| Hung-Lun (fred) Chang | AAOI | Common Stock, $.001 par value | Sale | -12.4% | -$6,880,127 | $170.60 | -40,329 | 286,124 | 17 Jun 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Sale | -6.72% | -$4,800,394 | $166.53 | -28,826 | 400,207 | 12 Jun 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Tax liability | -5.17% | -23,397 | 429,033 | 12 Jun 2026 | Direct | ||
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Sale | -7.9% | -$5,495,490 | $166.53 | -33,000 | 384,576 | 12 Jun 2026 | Direct |
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Tax liability | -6.77% | -30,330 | 417,576 | 12 Jun 2026 | Direct | ||
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Sale | -4.33% | -$9,825,270 | $166.53 | -59,000 | 1,302,436 | 12 Jun 2026 | Direct |
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Tax liability | -5.98% | -86,655 | 1,361,436 | 12 Jun 2026 | Direct | ||
| David C. Kuo | AAOI | Common Stock, $.001 par value | Sale | -16.4% | -$4,867,172 | $166.53 | -29,227 | 149,078 | 12 Jun 2026 | Direct |
| David C. Kuo | AAOI | Common Stock, $.001 par value | Tax liability | -9.66% | -19,065 | 178,305 | 12 Jun 2026 | Direct | ||
| Hung-Lun (fred) Chang | AAOI | Common Stock, $.001 par value | Sale | -9.43% | -$5,662,020 | $166.53 | -34,000 | 326,453 | 12 Jun 2026 | Direct |
| Hung-Lun (fred) Chang | AAOI | Common Stock, $.001 par value | Tax liability | -7.04% | -27,297 | 360,453 | 12 Jun 2026 | Direct | ||
| Stefan J. Murry | AAOI | Common Stock, $.001 par value | Sale | -0.89% | -$685,800 | $171.45 | -4,000 | 447,906 | 10 Jun 2026 | Direct |
| William H. Yeh | AAOI | Common Stock, $.001 par value | Award | 0.49% | 1,166 | 239,985 | 09 Jun 2026 | Direct | ||
| Che-Wei Lin | AAOI | Common Stock, $.001 par value | Award | 0.46% | 1,166 | 254,672 | 09 Jun 2026 | Direct | ||
| Robert James Flanagan | AAOI | Common Stock, $.001 par value | Award | 1,166 | 1,166 | 09 Jun 2026 | Direct | |||
| Cynthia DeLaney | AAOI | Common Stock, $.001 par value | Award | 1.95% | 1,166 | 60,813 | 09 Jun 2026 | Direct | ||
| Min-Chu (mike) Chen | AAOI | Common Stock, $.001 par value | Award | 0.72% | 1,166 | 162,219 | 09 Jun 2026 | Direct | ||
| Richard B. Black | AAOI | Common Stock, $.001 par value | Award | 0.71% | 1,166 | 165,529 | 09 Jun 2026 | Direct | ||
| Hung-Lun (fred) Chang | AAOI | Common Stock, $.001 par value | Sale | -1.02% | -$800,280 | $200.07 | -4,000 | 387,750 | 05 Jun 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Sale | -2.16% | -$2,050,700 | $205.07 | -10,000 | 452,430 | 04 Jun 2026 | Direct |
| Min-Chu (mike) Chen | AAOI | Common Stock, $.001 par value | Sale | -4.87% | -$1,657,647 | $201.00 | -8,247 | 161,053 | 02 Jun 2026 | Direct |
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Other | 841.4% | 721,812 | 807,602 | 28 May 2026 | By Thompson Lin Family Trust | ||
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Other | -47.2% | -721,812 | 807,602 | 28 May 2026 | By Lin Family Investment Holdings LLC | ||
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Gift | 85,790 | 85,790 | 28 May 2026 | By Thompson Lin Family Trust | |||
| Chih-Hsiang (thompson) Lin | AAOI | Common Stock, $.001 par value | Gift | -9.6% | -85,790 | 807,602 | 28 May 2026 | By Lin Family Investment Holdings LLC | ||
| Cynthia DeLaney | AAOI | Common Stock, $.001 par value | Sale | -48.7% | -$10,705,602 | $189.23 | -56,575 | 59,647 | 26 May 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Sale | -7.81% | -$6,783,822 | $173.26 | -39,154 | 462,430 | 19 May 2026 | Direct |
| Shu-Hua (joshua) Yeh | AAOI | Common Stock, $.001 par value | Tax liability | -1.56% | -7,928 | 501,584 | 19 May 2026 | Direct |
* marks a reported price that did not pass the local price check.