CHUNG PETER Y — SEC Form 4 filings
SEC reporting owner CIK 1239366. 10 Form 4 filings on record with FilingPulse; latest filed 2026-05-18.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-03-11 to 2026-05-18. 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): 4 legs across 4 filings — 3,441,548 shares, $68,813,629 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 7.
- Largest priced transaction: sale of 3,296,047 shares @ $15.40 ($50,759,124) in A10 Networks, Inc., filed 2024-05-22.
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 |
|---|---|---|---|---|---|
| A10 Networks, Inc. (ATEN) | Director | 6 | — | 3 legs · 3,398,280 sh · $52,449,706 | 4 |
| MACOM Technology Solutions Holdings, Inc. (MTSI) | Director | 4 | — | 1 leg · 43,268 sh · $16,363,923 | 3 |
Form 4 filings — CHUNG PETER Y
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-18 | 4 | MACOM Technology Solutions Holdings, Inc. (MTSI) | Sale (S): 43,268 @ $378.20 | EDGAR |
| 2026-04-24 | 4 | A10 Networks, Inc. (ATEN) | Grant/award (A): 7,233 @ $0 | EDGAR |
| 2026-03-09 | 4 | MACOM Technology Solutions Holdings, Inc. (MTSI) | Grant/award (A): 776 @ $0 | EDGAR |
| 2025-04-18 | 4 | A10 Networks, Inc. (ATEN) | Grant/award (A): 12,698 @ $0 | EDGAR |
| 2025-03-07 | 4 | MACOM Technology Solutions Holdings, Inc. (MTSI) | Grant/award (A): 1,623 @ $0 | EDGAR |
| 2024-11-18 | 4 | A10 Networks, Inc. (ATEN) | Sale (S): 23,754 @ $16.36 · Disposition to issuer (D): 329,566 @ $15.73 | EDGAR |
| 2024-11-15 | 4 | A10 Networks, Inc. (ATEN) | Sale (S): 78,479 @ $16.59 | EDGAR |
| 2024-05-22 | 4 | A10 Networks, Inc. (ATEN) | Sale (S): 3,296,047 @ $15.40 | EDGAR |
| 2024-05-10 | 4 | A10 Networks, Inc. (ATEN) | Grant/award (A): 12,903 @ $0 | EDGAR |
| 2024-03-11 | 4 | MACOM Technology Solutions Holdings, Inc. (MTSI) | Grant/award (A): 2,138 @ $0 | 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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