NEW YORK STOCK EXCHANGE, INC. · AMTM

+2.44% · +$0.5101 · Vol 1.7M

Market closed · last close 4:00 PM ET · price as of 19:33:15 ET

Amentum Holdings Inc

Professional Services

$21.39

+ Add to watchlist

Card

Veridion Score

Refresh

Score snapshot refresh in progress

Veridion Score History · 90D

Composite trend over time

HISTORY REFRESH IN PROGRESS

REFRESHES DAILY

AI Analysis

Sovereign

Why is AMTM moving today?

Sovereign unlock connects news, insider activity, analyst moves, and live price action.

Catalyst calendar

What can move AMTM next.

Earnings, ratings, disclosures, volume, and score-history events. Every row needs a dated receipt.

Congress / Form 4 / Score

Upcoming

No dated upcoming catalyst is present in the current source window.

Recent

Jul 9
Score
Score moved +23
36/SELL BIAS -> 59/NEUTRAL
Veridion score historySource
May 7
Form 4Sovereign
Bruning Jill L Form 4 sale
Disclosure detail is available inside Sovereign and Reserve.
SEC Form 4Unlock receipt
May 7
Form 4Sovereign
Arnette Stephen A Form 4 sale
Disclosure detail is available inside Sovereign and Reserve.
SEC Form 4Unlock receipt
May 7
Form 4Sovereign
Johnson Travis Barton Form 4 sale
Disclosure detail is available inside Sovereign and Reserve.
SEC Form 4Unlock receipt
May 7
Form 4Sovereign
Mullen Sean Thomas Form 4 sale
Disclosure detail is available inside Sovereign and Reserve.
SEC Form 4Unlock receipt
May 7
Form 4Sovereign
Heller John E. Form 4 sale
Disclosure detail is available inside Sovereign and Reserve.
SEC Form 4Unlock receipt
Mar 4
Form 4Sovereign
Arnette Stephen A Form 4 sale
Disclosure detail is available inside Sovereign and Reserve.
SEC Form 4Unlock receipt
Feb 18
Form 4Sovereign
St. Mary Michele T Form 4 sale
Disclosure detail is available inside Sovereign and Reserve.
SEC Form 4Unlock receipt
Nov 6
CongressSovereign
William R. Keating sale disclosed
Disclosure detail is available inside Sovereign and Reserve.
STOCK Act filingUnlock receipt
Oct 31
CongressSovereign
William R. Keating sale disclosed
Disclosure detail is available inside Sovereign and Reserve.
STOCK Act filingUnlock receipt

Catalyst calendar

Dated receipts for AMTM are being assembled.

About Amentum Holdings Inc

SERVICES-BUSINESS SERVICES, NEC

Listed since

2024

Employees

50K

Country

Amentum Holdings Inc is an engineering and technology solutions provider serving U.S. and allied government agencies, as well as international and commercial customers across energy and environmental, intelligence, space, defense, civilian and commercial markets. It provides environmental remediation, intelligence and counter-threat solutions, data analytics, engineering and integration, testing, training and citizen services. The company operates through two segments: Digital Solutions, offering digital and data-driven services, and Global Engineering Solutions, providing environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management. majority of its revenue comes from the Global Engineering Solutions segment and from the United States.

Company website →

Key statistics

Reported fields plus Veridion-computed history. Unsourced tiles are omitted.

Open

$20.61

Day high

$21.34

Day low

$20.45

Previous close

$20.88

52W high

$22.64

-5.52% from high

52W low

$20.06

52% of range

Market cap

$5.1B

P/E

46.50×

EPS

$0.4600

Shares out

244.3M

Volume

1.7M

VWAP

$21.12

Price history computed in-house

-2.33%

-2.28%

SMA 50 $21.32 · above

SMA 200 $21.32 · above

52W position 52%

Veridion warehouse edge

Warehouse intelligence for AMTM.

Veridion Score

0: 851: 502: 363: 504: 675: 50

Congress 30d

No recent disclosure on file.

Insider activity

See Form 4 panel below.

13F holders

None on file

Capital Web snapshots checked.

Disclosure-sourced lobbying and contract detail remains attributed in the full panels below.

Data ledger

Quote and day range

Refresh interval: 30 seconds

Source: Market data

Veridion Score

Coverage building

Source: Veridion methodology

Chart and risk context

Daily bars with no missing-bar fill

Source: Market data

News and filings

Refresh intervals shown inside each panel

Source: Market news and federal filings

Financials

Statements refresh in progress

SEC Form 4 ledger

AMTM insider activity

Amentum Holdings Inc

Score

Coverage building

Pressure

Net selling

Filings

Buys / sells

0 / 22

Net value

-$3.2M

Insiders

Named filers

Bruning Jill L

Insider

Leadership

Arnette Stephen A

Insider

Leadership

Johnson Travis Barton

Insider

Leadership

Cluster

No multi-insider buying cluster in the last 90 days

Net pressure

Net selling: -$3.2M across loaded Form 4 rows.

Convergence not established

Loaded official disclosures do not show all three sources aligned on this ticker.

Filing date	Trade date	Insider	Title	Type	Price	Qty	Owned	Value	Receipt
2026-05-07	2026-05-06	Bruning Jill L	Insider	sell	$24.89	2,731	197,457	$68K	SEC Form 4
2026-05-07	2026-05-06	Arnette Stephen A	Insider	sell	$24.89	3,314	106,652	$82K	SEC Form 4
2026-05-07	2026-05-06	Johnson Travis Barton	Insider	sell	$24.89	4,097	118,187	$102K	SEC Form 4
2026-05-07	2026-05-06	Mullen Sean Thomas	Insider	sell	$24.89	2,762	32,448	$69K	SEC Form 4
2026-05-07	2026-05-06	Heller John E.	Insider	sell	$24.89	8,184	376,019	$204K	SEC Form 4