Steven J. Demetriou

Executive Chair at Amentum Holdings · 6 reported transactions in 2 companies · latest report Oct 23, 2026

Their trades


ArcosaACA	Returned to company $1.89M · 12,611 shares	Oct 23, 2026
Amentum HoldingsAMTM	Share award — · 111,355 shares	Nov 17, 2025
Amentum HoldingsAMTM	Shares withheld for tax $367K · 17,077 shares	Nov 17, 2025
Amentum HoldingsAMTM	Exercised options — · 43,396 shares	Nov 17, 2025
Amentum HoldingsAMTM	Shares withheld for tax $627.9K · 28,818 shares	Nov 6, 2025
Amentum HoldingsAMTM	Exercised options — · 90,727 shares	Nov 6, 2025

Returned to companyArcosa

Oct 23, 2026 · ACA

$1.89M

Share awardAmentum Holdings

Nov 17, 2025 · AMTM

111,355

Shares withheld for taxAmentum Holdings

Nov 17, 2025 · AMTM

$367K

Exercised optionsAmentum Holdings

Nov 17, 2025 · AMTM

43,396

Shares withheld for taxAmentum Holdings

Nov 6, 2025 · AMTM

$627.9K

Exercised optionsAmentum Holdings

Nov 6, 2025 · AMTM

90,727

6 transactionsPro adds every trade with how it did, their holdings and the money-flow chartPro is $29 a month

Built from their public trade reports and market prices: past moves, not predictions or advice.

← Back

Steven J. Demetriou

Executive Chair at Amentum Holdings · 6 reported transactions in 2 companies · latest report Oct 23, 2026

Their trades


ArcosaACA	Returned to company $1.89M · 12,611 shares	Oct 23, 2026
Amentum HoldingsAMTM	Share award — · 111,355 shares	Nov 17, 2025
Amentum HoldingsAMTM	Shares withheld for tax $367K · 17,077 shares	Nov 17, 2025
Amentum HoldingsAMTM	Exercised options — · 43,396 shares	Nov 17, 2025
Amentum HoldingsAMTM	Shares withheld for tax $627.9K · 28,818 shares	Nov 6, 2025
Amentum HoldingsAMTM	Exercised options — · 90,727 shares	Nov 6, 2025

Returned to companyArcosa

Oct 23, 2026 · ACA

$1.89M

Share awardAmentum Holdings

Nov 17, 2025 · AMTM

111,355

Shares withheld for taxAmentum Holdings

Nov 17, 2025 · AMTM

$367K

Exercised optionsAmentum Holdings

Nov 17, 2025 · AMTM

43,396

Shares withheld for taxAmentum Holdings

Nov 6, 2025 · AMTM

$627.9K

Exercised optionsAmentum Holdings

Nov 6, 2025 · AMTM

90,727

6 transactionsPro adds every trade with how it did, their holdings and the money-flow chartPro is $29 a month

Built from their public trade reports and market prices: past moves, not predictions or advice.

Their trades

Others trading the same companies

Their trades

Others trading the same companies