Updated Jul 16, 2026
Sayiner Necip has filed 6 SEC Form 4 filings across 4 companies in the last 90 days — selling. Lifetime open-market sales: $4.69M.
Necip Sayiner is a corporate executive known for his roles as a director in various technology companies, including Sandisk Corp and Axcelis Technologies Inc. He has a background in the semiconductor industry and has contributed to the governance of several firms in this sector.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-04 | ACLS | AXCELIS TECHNOLOGIES INC | S — Open-market sale | 1.6K | $157.44 | $250K |
| 2026-06-03 | RMBS | RAMBUS INC | S — Open-market sale | 5.0K | $170.15 | $851K |
| 2026-05-18 | ACLS | AXCELIS TECHNOLOGIES INC | A — Grant or award | 1.4K | $0.00 | |
| 2026-05-12 | TER | TERADYNE, INC | A — Grant or award | 668 | $0.00 | |
| 2026-05-12 | SNDK | Sandisk Corp | S — Open-market sale | 579 | $1,503.11 | $870K |
| 2026-05-11 | RMBS | RAMBUS INC | S — Open-market sale | 9.8K | $130.18 | $1.28M |
| 2026-04-04 | RMBS | RAMBUS INC | A — Grant or award | 2.2K | $0.00 | |
| 2025-12-04 | SNDK | Sandisk Corp | S — Open-market sale | 1.3K | $195.14 | $248K |
| 2025-09-11 | RMBS | RAMBUS INC | S — Open-market sale | 7.5K | $85.63 | $642K |
| 2025-08-08 | RMBS | RAMBUS INC | S — Open-market sale | 7.5K | $73.53 | $551K |
| 2025-07-01 | TER | TERADYNE, INC | A — Grant or award | 2.1K | $0.00 | |
| 2025-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | A — Grant or award | 3.6K | $0.00 |
Necip Sayiner is a corporate executive known for his roles as a director in various technology companies, including Sandisk Corp and Axcelis Technologies Inc. He has a background in the semiconductor industry and has contributed to the governance of several firms in this sector.…
6 primary Form 4 filings in the last 90 days, covering 4 companies.
Recorded transactions: 0 open-market purchases () and 7 open-market sales ($4.69M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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