Caulfield Thomas
SEC insider (Form 3/4/5 filer). CIK 0001342570. Director at USA Rare Earth, Inc. (USAR) and 3 other issuers. 13 reported Form 4/5 transactions since Sep 2024; latest on Oct 1, 2026. Located in STILLWATER, OK.
Companies Caulfield Thomas has filed insider reports for
- USA Rare Earth, Inc. (USAR): Director
- Sandisk Corp (SNDK): Director
- GLOBALFOUNDRIES Inc. (GFS): Director
- WESTERN DIGITAL CORP (WDC): Director
Caulfield Thomas
CIK: 0001342570
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 (13 total)
- Oct 1, 2026USAR
USA Rare Earth, Inc.
AwardDirect1.5K shares- - Jul 7, 2026USAR
USA Rare Earth, Inc.
AwardDirect271 shares- - Jun 3, 2026USAR
USA Rare Earth, Inc.
ExerciseDirect2.5K shares- - Jun 3, 2026USAR
USA Rare Earth, Inc.
AwardDirect407 shares- - May 12, 2026SNDK
Sandisk Corp
GiftIndirect9.7K shares- - May 1, 2026GFS
GLOBALFOUNDRIES Inc.
AwardDirect146.2K shares- - Mar 19, 2026USAR
USA Rare Earth, Inc.
AwardDirectRestricted Stock Units
2.5K shares- - Mar 3, 2026SNDK
Sandisk Corp
GiftIndirect14.5K shares- - Mar 3, 2026SNDK
Sandisk Corp
GiftDirect14.5K shares- - Nov 18, 2025SNDK
Sandisk Corp
AwardDirect979 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 |  USAR USA Rare Earth, Inc. | Award | 1,482 | - | $0 | Direct |
| Jul 7, 2026 | USAR USA Rare Earth, Inc. | Award | 271 | - | $0 | Direct |
| Jun 3, 2026 | USAR USA Rare Earth, Inc. | Exercise | 2,548 | - | $0 | Direct |
| Jun 3, 2026 | USAR USA Rare Earth, Inc. | Award | 407 | - | $0 | Direct |
| May 12, 2026 |  SNDK Sandisk Corp | Gift | 9,666 | - | $0 | Indirect |
| May 1, 2026 |  GFS GLOBALFOUNDRIES Inc. | Award | 146,199 | - | $0 | Direct |
| Mar 19, 2026 | USAR USA Rare Earth, Inc. | Award Restricted Stock Units | 2,548 | - | - | Direct |
| Mar 3, 2026 | SNDK Sandisk Corp | Gift | 14,500 | - | $0 | Indirect |
| Mar 3, 2026 | SNDK Sandisk Corp | Gift | 14,500 | - | $0 | Direct |
| Nov 18, 2025 | SNDK Sandisk Corp | Award | 979 | - | - | Direct |
1-10 of 13 transactions