Adams Mark
SEC insider (Form 3/4/5 filer). CIK 0001349123. Director at Seagate Technology Holdings plc (STX) and 3 other issuers. 30 reported Form 4/5 transactions since Sep 2024; latest on Oct 24, 2026. Located in FREMONT, CA.
Companies Adams Mark has filed insider reports for
- Seagate Technology Holdings plc (STX): Director
- Core Scientific, Inc./tx (CORZ): Director
- CADENCE DESIGN SYSTEMS INC (CDNS): Director
- Penguin Solutions, Inc. (PENG): Director, Officer, President and CEO
Adams Mark
CIK: 0001349123
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (30 total)
- Oct 24, 2026STX
Seagate Technology Holdings plc
AwardDirectRestricted Share Unit
345 shares- - Oct 24, 2026STX
Seagate Technology Holdings plc
Tax PaymentDirect380 shares at avg. $630.49$240K - Oct 24, 2026STX
Seagate Technology Holdings plc
ExerciseDirect1.6K shares- - Jul 30, 2026CORZ
Core Scientific, Inc./tx
AwardDirect27.6K shares- - May 7, 2026CDNS
CADENCE DESIGN SYSTEMS INC
GiftDirect779 shares- - May 7, 2026CDNS
CADENCE DESIGN SYSTEMS INC
AwardDirect714 shares- - May 7, 2026CDNS
CADENCE DESIGN SYSTEMS INC
GiftIndirect779 shares- - Jan 20, 2026PENG
Penguin Solutions, Inc.
Tax PaymentDirect12.5K shares at avg. $19.96$250K - Oct 25, 2025STX
Seagate Technology Holdings plc
AwardDirectRestricted Share Unit
1.6K shares- - Oct 20, 2025PENG
Penguin Solutions, Inc.
Tax PaymentDirect11.4K shares at avg. $21.74$248K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 24, 2026 |  STX Seagate Technology Holdings plc | Award Restricted Share Unit | 345 | - | - | Direct |
| Oct 24, 2026 | STX Seagate Technology Holdings plc | Tax Payment | 380 | $630.49 | $239,586 | Direct |
| Oct 24, 2026 | STX Seagate Technology Holdings plc | Exercise | 1,580 | - | $0 | Direct |
| Jul 30, 2026 |  CORZ Core Scientific, Inc./tx | Award | 27,594 | - | $0 | Direct |
| May 7, 2026 |  CDNS CADENCE DESIGN SYSTEMS INC | Gift | 779 | - | $0 | Direct |
| May 7, 2026 | CDNS CADENCE DESIGN SYSTEMS INC | Award | 714 | - | $0 | Direct |
| May 7, 2026 | CDNS CADENCE DESIGN SYSTEMS INC | Gift | 779 | - | $0 | Indirect |
| Jan 20, 2026 |  PENG Penguin Solutions, Inc. | Tax Payment | 12,513 | $19.96 | $249,759 | Direct |
| Oct 25, 2025 | STX Seagate Technology Holdings plc | Award Restricted Share Unit | 1,580 | - | - | Direct |
| Oct 20, 2025 | PENG Penguin Solutions, Inc. | Tax Payment | 11,419 | $21.74 | $248,249 | Direct |
1-10 of 30 transactions