Wednesday, September 16, 2026Latest filing Sep 14, 2026

AMTM Congressional Stock Trades

Amentum Holdings, Inc. Common Stock (AMTM)

Last disclosed trade Oct 31

Every disclosed trade in AMTM by members of Congress under the STOCK Act, parsed by Coldpine. Informational only, sourced from public filings. Not investment advice.

Sample · the intelligence layer

Coldpine signal scoreA 0-1 composite from four weighted factors: disclosure speed, trade size, cluster activity (multiple members buying the same name), and the member’s track record. ≥ 0.65 is the high-conviction tier; ≥ 0.50 is moderate. Trades from trust-managed members are penalized (× 0.2 multiplier). It’s research, not a recommendation.

William R. Keating · Sold $AMTM · Oct 31 · $1K–$15K

0.54MED
Disclosure speedx 0.251.00
Trade sizex 0.250.20
Cluster activityx 0.150.00
Track recordx 0.350.68

Every disclosed trade in the database gets this treatment: a four-factor score and a written read from Coldpine’s AI-based analysis. Informational only, not investment advice. Create a free account for every scored trade →

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5
Disclosed trades
0
Buys
1
Sells
2
Members trading

The record on $AMTM

Coldpine has parsed 5 disclosed trades in $AMTM by 2 members of Congress, drawn from 2 periodic transaction reports dated Sep 30, 2024 through Oct 31, 2024. All of them came from House members, filed 1 by Democrats and 4 by Republicans.

Of the 5 trades with a known filing lag, every one was reported inside the STOCK Act's 45-day window. The median lag was 15 days. The longest was 15 days: a $AMTM exchange by Thomas H. Kean dated Sep 30, 2024, disclosed Oct 15, 2024. How late filing is measured across all of Congress is in the late-filers study.

3 of the 5 trades that list an account holder (60%) were reported under a spouse, dependent child, or joint account rather than the member directly.

William R. Keating filed the most $AMTM sales (1).

Members who trade AMTM

Recent disclosed trades in AMTM

DateMemberTypeAmount
Oct 31William R. Keating(MA)sell$1K–$15K
Sep 30Thomas H. Kean(NJ)exch$1K–$15K
Sep 30Thomas H. Kean(NJ)exch$1K–$15K
Sep 30Thomas H. Kean(NJ)exch$1K–$15K
Sep 30Thomas H. Kean(NJ)exch$1K–$15K

Data sourced from public STOCK Act disclosures. Coldpine is a publisher of intelligence on congressional disclosures, not an investment adviser. See full history and scores, free with an account →