Thomas Caulfield
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.
Award(A)Direct1.5K shares- - Jul 7, 2026USAR
USA Rare Earth, Inc.
Award(A)Direct271 shares- - Jun 3, 2026USAR
USA Rare Earth, Inc.
Exercise(M)Direct2.5K shares- - Jun 3, 2026USAR
USA Rare Earth, Inc.
Award(A)Direct407 shares- - May 12, 2026SNDK
Sandisk Corp
Gift(G)Indirect9.7K shares- - May 1, 2026GFS
GLOBALFOUNDRIES Inc.
Award(A)Direct146.2K shares- - Mar 19, 2026USAR
USA Rare Earth, Inc.
Award(A)DirectRestricted Stock Units
2.5K shares- - Mar 3, 2026SNDK
Sandisk Corp
Gift(G)Indirect14.5K shares- - Mar 3, 2026SNDK
Sandisk Corp
Gift(G)Direct14.5K shares- - Nov 18, 2025SNDK
Sandisk Corp
Award(A)Direct979 shares- - Mar 3, 2025SNDK
Sandisk Corp
Award(A)Direct4.1K shares- - Feb 28, 2025SNDK
Sandisk Corp
Award(A)Direct5.7K shares- - Nov 20, 2024WDC
WESTERN DIGITAL CORP
Award(A)Direct3.8K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 |  USAR USA Rare Earth, Inc. | Award(A) | 1,482 | - | $0 | Direct |
| Jul 7, 2026 | USAR USA Rare Earth, Inc. | Award(A) | 271 | - | $0 | Direct |
| Jun 3, 2026 | USAR USA Rare Earth, Inc. | Exercise(M) | 2,548 | - | $0 | Direct |
| Jun 3, 2026 | USAR USA Rare Earth, Inc. | Award(A) | 407 | - | $0 | Direct |
| May 12, 2026 |  SNDK Sandisk Corp | Gift(G) | 9,666 | - | $0 | Indirect |
| May 1, 2026 |  GFS GLOBALFOUNDRIES Inc. | Award(A) | 146,199 | - | $0 | Direct |
| Mar 19, 2026 | USAR USA Rare Earth, Inc. | Award(A) Restricted Stock Units | 2,548 | - | - | Direct |
| Mar 3, 2026 | SNDK Sandisk Corp | Gift(G) | 14,500 | - | $0 | Indirect |
| Mar 3, 2026 | SNDK Sandisk Corp | Gift(G) | 14,500 | - | $0 | Direct |
| Nov 18, 2025 | SNDK Sandisk Corp | Award(A) | 979 | - | - | Direct |
| Mar 3, 2025 | SNDK Sandisk Corp | Award(A) | 4,148 | - | - | Direct |
| Feb 28, 2025 | SNDK Sandisk Corp | Award(A) | 5,693 | - | - | Direct |
| Nov 20, 2024 |  WDC WESTERN DIGITAL CORP | Award(A) | 3,759 | - | $0 | Direct |
1-13 of 13 transactions
About Caulfield Thomas
Caulfield Thomas (SEC CIK 0001342570) files insider reports with the SEC as Director of USA Rare Earth, Inc. (USAR), Director of Sandisk Corp (SNDK) and Director of GLOBALFOUNDRIES Inc. (GFS). Signal8 also holds filings tied to 1 other company.
Signal8 holds 13 ownership filings by Caulfield Thomas (3 Form 3, 10 Form 4), filed between Nov 22, 2024 and Oct 5, 2026. Those filings report 13 transactions, from Nov 20, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Caulfield Thomas's filings is in STILLWATER, OK.
Recent filings by Caulfield Thomas
Other insiders filing for USA Rare Earth, Inc. (USAR)
- Moraitis Thrasyvoulos, Chief Executive Officer
- Humpton Barbara, Former Chief Executive Officer
- Jacob Valerie, Chief Legal Officer
- Denham Mining GP LLC, 10% Owner
- Davis Michael Lawrence, Director
- Trabuco Carolyn, Director