Sayiner Necip — SEC Form 4 filings
SEC reporting owner CIK 1338515. 20 Form 4 filings on record with FilingPulse; latest filed 2026-06-04.
Transaction summary — filings shown
Covers all 20 filings on record, filed 2024-03-15 to 2026-06-04. 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): 8 legs across 8 filings — 37,885 shares, $5,000,024 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 13.
- Largest priced transaction: sale of 9,824 shares @ $130.18 ($1,278,888) in RAMBUS INC, filed 2026-05-11.
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 |
|---|---|---|---|---|---|
| RAMBUS INC (RMBS) | Director | 8 | — | 5 legs · 34,449 sh · $3,631,993 | 3 |
| Sandisk Corp (SNDK) | Director | 4 | — | 2 legs · 1,850 sh · $1,118,327 | 2 |
| AXCELIS TECHNOLOGIES INC (ACLS) | Director | 6 | — | 1 leg · 1,586 sh · $249,703 | 6 |
| TERADYNE, INC (TER) | Director | 2 | — | — | 2 |
Form 4 filings — Sayiner Necip
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-04 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Sale (S): 1,586 @ $157.44 | EDGAR |
| 2026-06-03 | 4 | RAMBUS INC (RMBS) | Sale (S): 5,000 @ $170.15 | EDGAR |
| 2026-05-18 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 1,440 @ $0 | EDGAR |
| 2026-05-12 | 4 | TERADYNE, INC (TER) | Grant/award (A): 668 @ $0 | EDGAR |
| 2026-05-11 | 4 | RAMBUS INC (RMBS) | Sale (S): 9,824 @ $130.18 | EDGAR |
| 2026-05-11 | 4 | Sandisk Corp (SNDK) | Sale (S): 579 @ $1,503.11 | EDGAR |
| 2026-04-03 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 2,223 @ $0 | EDGAR |
| 2025-12-04 | 4 | Sandisk Corp (SNDK) | Sale (S): 1,271 @ $195.14 | EDGAR |
| 2025-11-19 | 4 | Sandisk Corp (SNDK) | Grant/award (A): 979 @ $0 | EDGAR |
| 2025-09-12 | 4 | RAMBUS INC (RMBS) | Sale (S): 7,500 @ $85.63 | EDGAR |
| 2025-08-11 | 4 | RAMBUS INC (RMBS) | Sale (S): 7,500 @ $73.53 | EDGAR |
| 2025-07-03 | 4 | TERADYNE, INC (TER) | Grant/award (A): 2,132 @ $0 | EDGAR |
| 2025-05-15 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 3,586 @ $0 | EDGAR |
| 2025-04-03 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 3,824 @ $0 | EDGAR |
| 2025-03-04 | 4 | Sandisk Corp (SNDK) | Grant/award (A): 3,771 @ $0 | EDGAR |
| 2025-02-19 | 4 | RAMBUS INC (RMBS) | Sale (S): 4,625 @ $66.74 | EDGAR |
| 2024-05-16 | 4/A | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 1,662 @ $0 | EDGAR |
| 2024-05-15 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 1,162 @ $0 | EDGAR |
| 2024-04-02 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 2,972 @ $0 | EDGAR |
| 2024-03-15 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 670 @ $0 · Grant/award (A): 1,340 @ $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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