Sayiner Necip
SEC insider (Form 3/4/5 filer). CIK 0001338515. Director at AXCELIS TECHNOLOGIES INC (ACLS) and 3 other issuers. 16 reported Form 4/5 transactions since Sep 2024; latest on Jun 3, 2026. Located in SAN JOSE, CA.
Companies Sayiner Necip has filed insider reports for
- AXCELIS TECHNOLOGIES INC (ACLS): Director
- RAMBUS INC (RMBS): Director
- TERADYNE, INC (TER): Director
- Sandisk Corp (SNDK): Director
Sayiner Necip
CIK: 0001338515
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)8 (50.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)8 (50.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (16 total)
- Jun 3, 2026ACLS
AXCELIS TECHNOLOGIES INC
SaleDirect1.6K shares at avg. $157.44$250K - Jun 3, 2026RMBS
RAMBUS INC
SaleDirect5K shares at avg. $170.15$851K - May 15, 2026ACLS
AXCELIS TECHNOLOGIES INC
AwardDirect1.4K shares- - May 8, 2026TER
TERADYNE, INC
AwardDirect668 shares- - May 8, 2026SNDK
Sandisk Corp
SaleDirect579 shares at avg. $1503.11$870K - May 8, 2026RMBS
RAMBUS INC
SaleDirect9.8K shares at avg. $130.18$1.3M - Apr 1, 2026RMBS
RAMBUS INC
AwardDirect2.2K shares- - Dec 3, 2025SNDK
Sandisk Corp
SaleDirect1.3K shares at avg. $195.14$248K - Nov 18, 2025SNDK
Sandisk Corp
AwardDirect979 shares- - Sep 11, 2025RMBS
RAMBUS INC
SaleDirect7.5K shares at avg. $85.63$642K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 3, 2026 |  ACLS AXCELIS TECHNOLOGIES INC | Sale | 1,586 | $157.44 | $249,703 | Direct |
| Jun 3, 2026 |  RMBS RAMBUS INC | Sale | 5,000 | $170.15 | $850,750 | Direct |
| May 15, 2026 | ACLS AXCELIS TECHNOLOGIES INC | Award | 1,440 | - | $0 | Direct |
| May 8, 2026 |  TER TERADYNE, INC | Award | 668 | - | $0 | Direct |
| May 8, 2026 |  SNDK Sandisk Corp | Sale | 579 | $1503.11 | $870,301 | Direct |
| May 8, 2026 | RMBS RAMBUS INC | Sale | 9,824 | $130.18 | $1,278,888 | Direct |
| Apr 1, 2026 | RMBS RAMBUS INC | Award | 2,223 | - | $0 | Direct |
| Dec 3, 2025 | SNDK Sandisk Corp | Sale | 1,271 | $195.14 | $248,027 | Direct |
| Nov 18, 2025 | SNDK Sandisk Corp | Award | 979 | - | - | Direct |
| Sep 11, 2025 | RMBS RAMBUS INC | Sale | 7,500 | $85.63 | $642,226 | Direct |
1-10 of 16 transactions