Carolyn Trabuco

CIK: 0001897745

Transaction Breakdown

Open Market Buys (P)1 (6.7%)

High conviction signal

Open Market Sales (S)5 (33.3%)

Position reduction

Option Exercises (M)3 (20.0%)

Derivative conversions

Awards (A)6 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (6)

USAR

USA Rare Earth, Inc.

Director

IPFX

Inflection Point Acquisition Corp. VI

Director

MRLN

Merlin, Inc.

Director

IPEX

Inflection Point Acquisition Corp. V

Director

SHIM

Shimmick Corp

Director

ATEK

Athena Technology Acquisition Corp. II

Director

Discretionary Trading P&L

Holdings

Transaction History (15 total)

USAR
USA Rare Earth, Inc.
Aug 19, 2026
Award(A)
Restricted Stock Units
Direct
2.1K shares-
USAR
USA Rare Earth, Inc.
Jun 8, 2026
Sale(S)
Direct
13K shares at avg. $22.77$296K
USAR
USA Rare Earth, Inc.
Jun 3, 2026
Award(A)
Restricted Stock Units
Direct
6.4K shares-
MRLN
Merlin, Inc.
May 20, 2026
Award(A)
Direct
37.5K shares-
USAR
USA Rare Earth, Inc.
May 20, 2026
Exercise(M)
Direct
18.2K shares at avg. $22.57$411K
USAR
USA Rare Earth, Inc.
May 20, 2026
Exercise(M)
Direct
12.3K shares at avg. $22.57$277K
USAR
USA Rare Earth, Inc.
Jan 29, 2026
Purchase(P)
Direct
1.3K shares at avg. $22.60$29K
USAR
USA Rare Earth, Inc.
Oct 1, 2025
Award(A)
Restricted Stock Units
Direct
5.1K shares-
USAR
USA Rare Earth, Inc.
Aug 13, 2025
Award(A)
Restricted Stock Units
Direct
12.3K shares-
USAR
USA Rare Earth, Inc.
Aug 13, 2025
Award(A)
Restricted Stock Units
Direct
18.2K shares-
SHIM
Shimmick Corp
Jun 4, 2025
Exercise(M)
Direct
84.3K shares-
SHIM
Shimmick Corp
May 21, 2025
Sale(S)
Direct
498 shares at avg. $1.60$796.8
SHIM
Shimmick Corp
May 20, 2025
Sale(S)
Direct
2.5K shares at avg. $1.66$4K
SHIM
Shimmick Corp
May 19, 2025
Sale(S)
Direct
2.4K shares at avg. $1.62$4K
SHIM
Shimmick Corp
May 16, 2025
Sale(S)
Direct
7.3K shares at avg. $1.71$12K

		Type	Shares	Price		Ownership
Aug 19, 2026	USAR USA Rare Earth, Inc.	Award(A) Restricted Stock Units	2,059	-	-	Direct
Jun 8, 2026	USAR USA Rare Earth, Inc.	Sale(S)	13,000	$22.77	$295,984	Direct
Jun 3, 2026	USAR USA Rare Earth, Inc.	Award(A) Restricted Stock Units	6,438	-	-	Direct
May 20, 2026	MRLN Merlin, Inc.	Award(A)	37,500	-	$0	Direct
May 20, 2026	USAR USA Rare Earth, Inc.	Exercise(M)	18,199	$22.57	$410,751	Direct
May 20, 2026	USAR USA Rare Earth, Inc.	Exercise(M)	12,284	$22.57	$277,250	Direct
Jan 29, 2026	USAR USA Rare Earth, Inc.	Purchase(P)	1,300	$22.60	$29,379	Direct
Oct 1, 2025	USAR USA Rare Earth, Inc.	Award(A) Restricted Stock Units	5,054	-	-	Direct
Aug 13, 2025	USAR USA Rare Earth, Inc.	Award(A) Restricted Stock Units	12,284	-	-	Direct
Aug 13, 2025	USAR USA Rare Earth, Inc.	Award(A) Restricted Stock Units	18,199	-	-	Direct
Jun 4, 2025	SHIM Shimmick Corp	Exercise(M)	84,269	-	-	Direct
May 21, 2025	SHIM Shimmick Corp	Sale(S)	498	$1.60	$797	Direct
May 20, 2025	SHIM Shimmick Corp	Sale(S)	2,534	$1.66	$4,206	Direct
May 19, 2025	SHIM Shimmick Corp	Sale(S)	2,419	$1.62	$3,919	Direct
May 16, 2025	SHIM Shimmick Corp	Sale(S)	7,281	$1.71	$12,451	Direct

1-15 of 15 transactions

About Trabuco Carolyn

Trabuco Carolyn (SEC CIK 0001897745) files insider reports with the SEC as Director of USA Rare Earth, Inc. (USAR), Director of Inflection Point Acquisition Corp. VI (IPFX) and Director of Merlin, Inc. (MRLN). Signal8 also holds filings tied to 3 other companies.

Signal8 holds 16 ownership filings by Trabuco Carolyn (5 Form 3, 11 Form 4), filed between Nov 5, 2024 and Aug 21, 2026. Those filings report 15 transactions, from May 16, 2025 to Aug 19, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Trabuco Carolyn's filings is in STILLWATER, OK.

Recent filings by Trabuco Carolyn

Aug 19, 2026: Grant or award of USAR derivative securities (Form 4, code A).
Jun 8, 2026: Open-market sale of USAR shares (Form 4, code S).
Jun 3, 2026: Grant or award of USAR derivative securities (Form 4, code A).
May 20, 2026: Grant or award of MRLN shares (Form 4, code A).
May 20, 2026: Option exercises of USAR shares (2 lines, Form 4, code M).

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
Caulfield Thomas, Director
Denham Mining GP LLC, 10% Owner
Davis Michael Lawrence, Director

How to read Form 4 transaction codes