Kuo David C — SEC Form 4 filings
SEC reporting owner CIK 1587422. 28 Form 4 filings on record with FilingPulse; latest filed 2026-07-23.
Transaction summary — filings shown
Covers all 28 filings on record, filed 2024-01-24 to 2026-07-23. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 14 legs across 11 filings — 175,380 shares, $14,408,546 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 62.
- Largest priced transaction: sale of 29,227 shares @ $166.53 ($4,867,172) in APPLIED OPTOELECTRONICS, INC., filed 2026-06-16.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| APPLIED OPTOELECTRONICS, INC. (AAOI) | *** See Remarks | 28 | — | 14 legs · 175,380 sh · $14,408,546 | 62 |
Form 4 filings — Kuo David C
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-23 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 1,869 @ $119.26 · Tax withholding (F): 472 @ $119.26 · Tax withholding (F): 516 @ $119.26 · Tax withholding (F): 407 @ $119.26 | EDGAR |
| 2026-06-16 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 19,065 @ $172.78 · Sale (S): 29,227 @ $166.53 | EDGAR |
| 2026-05-19 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 156,583 @ $0 · Tax withholding (F): 19,064 @ $190.36 · Sale (S): 19,227 @ $173.26 | EDGAR |
| 2026-04-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 2,053 @ $150.57 · Tax withholding (F): 518 @ $150.57 · Tax withholding (F): 567 @ $150.57 · Tax withholding (F): 447 @ $150.57 | EDGAR |
| 2026-03-23 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Sale (S): 29,000 @ $100.13 | EDGAR |
| 2026-02-11 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 17,027 @ $0 · Sale (S): 2,533 @ $50.00 · Sale (S): 17,467 @ $50.17 | EDGAR |
| 2026-01-30 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Sale (S): 12,000 @ $45.05 | EDGAR |
| 2026-01-26 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 1,172 @ $38.38 · Tax withholding (F): 2,054 @ $38.38 · Tax withholding (F): 519 @ $38.38 · Tax withholding (F): 567 @ $38.38 | EDGAR |
| 2025-12-29 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Sale (S): 12,500 @ $40.15 | EDGAR |
| 2025-10-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 1,066 @ $33.40 · Tax withholding (F): 1,869 @ $33.40 · Tax withholding (F): 472 @ $33.40 · Tax withholding (F): 516 @ $33.40 | EDGAR |
| 2025-08-15 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Sale (S): 2,000 @ $22.34 | EDGAR |
| 2025-07-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 605 @ $28.23 · Tax withholding (F): 1,066 @ $28.23 · Tax withholding (F): 1,869 @ $28.23 · Tax withholding (F): 473 @ $28.23 · Tax withholding (F): 516 @ $28.23 | EDGAR |
| 2025-05-14 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Sale (S): 11,426 @ $19.10 | EDGAR |
| 2025-05-13 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 89,285 @ $0 · Tax withholding (F): 34,091 @ $14.76 | EDGAR |
| 2025-05-02 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 517 @ $10.05 | EDGAR |
| 2025-04-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 605 @ $10.05 · Tax withholding (F): 1,067 @ $10.05 · Tax withholding (F): 1,870 @ $10.05 · Tax withholding (F): 473 @ $10.05 | EDGAR |
| 2025-04-15 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 21,598 @ $0 | EDGAR |
| 2025-01-23 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 623 @ $30.15 · Tax withholding (F): 921 @ $30.15 · Tax withholding (F): 1,099 @ $30.15 · Tax withholding (F): 1,926 @ $30.15 · Tax withholding (F): 487 @ $30.15 | EDGAR |
| 2024-11-18 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Sale (S): 11,300 @ $28.97 · Sale (S): 2,433 @ $28.89 | EDGAR |
| 2024-11-12 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Sale (S): 10,000 @ $26.93 · Sale (S): 6,267 @ $28.89 | EDGAR |
| 2024-10-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 591 @ $18.51 · Tax withholding (F): 874 @ $18.51 · Tax withholding (F): 1,043 @ $18.51 · Tax withholding (F): 1,829 @ $18.51 · Tax withholding (F): 462 @ $18.51 | EDGAR |
| 2024-09-26 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Sale (S): 10,000 @ $15.02 | EDGAR |
| 2024-07-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 624 @ $9.68 · Tax withholding (F): 922 @ $9.68 · Tax withholding (F): 1,100 @ $9.68 · Tax withholding (F): 1,928 @ $9.68 · Tax withholding (F): 488 @ $9.68 | EDGAR |
| 2024-06-17 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 50,568 @ $0 · Disposition to issuer (D): 25,284 @ $10.44 · Tax withholding (F): 9,774 @ $10.44 | EDGAR |
| 2024-05-28 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 528 @ $12.12 | EDGAR |
| 2024-05-01 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Grant/award (A): 19,747 @ $0 | EDGAR |
| 2024-04-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 676 @ $12.12 · Tax withholding (F): 998 @ $12.12 · Tax withholding (F): 1,192 @ $12.12 · Tax withholding (F): 2,089 @ $12.12 | EDGAR |
| 2024-01-24 | 4 | APPLIED OPTOELECTRONICS, INC. (AAOI) | Tax withholding (F): 1,027 @ $15.81 · Tax withholding (F): 675 @ $15.81 · Tax withholding (F): 998 @ $15.81 · Tax withholding (F): 1,192 @ $15.81 · Tax withholding (F): 2,088 @ $15.81 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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