Insider · CIK 0001723342

Vollmer John C.

Reports to the SEC for 2 companies · CHANTILLY, VA

sec.gov

Transactions

Companies

Filings

CIK

0001723342

Forms 4 and 5

Insider transactions

32 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-02-06	AMTMAmentum Holdings, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+11.6K sh	—	—	424,780
2026-02-06	AMTMAmentum Holdings, Inc.A Award	Director	AAward	+5,062 sh	—	—	429,842
2026-02-06	AMTMAmentum Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−11.6K sh	—	—	0
2025-04-08	AMTMAmentum Holdings, Inc. · Restricted Stock UnitsA Award	Director	AAward	+11.6K sh	—	—	11,564
2025-03-05	AMTMAmentum Holdings, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+3,447 sh	—	—	394,788
2025-03-05	AMTMAmentum Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−3,447 sh	—	—	0
2024-12-17	AMTMAmentum Holdings, Inc.J Other	Director	JOther	+391K sh	—	—	391,341
2024-11-06	AMTMAmentum Holdings, Inc. · Restricted Stock UnitsA Award	Director	AAward	+3,447 sh	—	—	3,447
2020-01-27	ACMAECOMA Award	Group President, MS	AAward	+19.7K sh	—	—	31,094
2020-01-27	ACMAECOMM Exercise/Conversion	Group President, MS	MExercise/Conversion	+13.5K sh	$48.82	+$658K	44,575
2020-01-27	ACMAECOMF Tax Payment	Group President, MS	FTax Payment	−6,600 sh	$48.82	−$322K	37,975
2020-01-27	ACMAECOM · Restricted Stock UnitM Exercise/Conversion	Group President, MS	MExercise/Conversion	−7,824 sh	—	—	7,824
2020-01-27	ACMAECOM · Restricted Stock UnitM Exercise/Conversion	Group President, MS	MExercise/Conversion	−5,657 sh	—	—	5,657
2019-12-27	ACMAECOMS Sale	Group President, MS	SSale	−30.2K sh	$43.28	−$1.31M	11,415
2019-12-27	ACMAECOM · Restricted Stock UnitM Exercise/Conversion	Group President, MS	MExercise/Conversion	−30.2K sh	—	—	0
2019-12-15	ACMAECOMM Exercise/Conversion	Group President, MS	MExercise/Conversion	+6,879 sh	$38.16	+$263K	40,151
2019-12-15	ACMAECOMF Tax Payment	Group President, MS	FTax Payment	−2,882 sh	$38.16	−$110K	37,269
2019-12-15	ACMAECOMA Award	Group President, MS	AAward	+3,556 sh	—	—	41,655
2019-12-15	ACMAECOM · Restricted Stock UnitM Exercise/Conversion	Group President, MS	MExercise/Conversion	−6,879 sh	—	—	0
2018-12-15	ACMAECOMM Exercise/Conversion	Group President, MS	MExercise/Conversion	+6,996 sh	$27.91	+$195K	31,709
2018-12-15	ACMAECOMF Tax Payment	Group President, MS	FTax Payment	−3,380 sh	$27.91	−$94.3K	28,329
2018-12-15	ACMAECOMA Award	Group President, MS	AAward	+4,521 sh	—	—	33,272
2018-12-15	ACMAECOM · Restricted Stock UnitM Exercise/Conversion	Group President, MS	MExercise/Conversion	−6,996 sh	—	—	6,996
2018-12-15	ACMAECOM · Restricted Stock UnitA Award	Group President, MS	AAward	+14.5K sh	—	—	14,546
2018-05-01	ACMAECOMM Exercise/Conversion	Group President, MS	MExercise/Conversion	+2,124 sh	$34.44	+$73.2K	25,460
2018-05-01	ACMAECOMF Tax Payment	Group President, MS	FTax Payment	−1,020 sh	$34.44	−$35.1K	24,713
2018-05-01	ACMAECOM · Restricted Stock UnitsM Exercise/Conversion	Group President, MS	MExercise/Conversion	−2,124 sh	—	—	0
2017-12-15	ACMAECOMM Exercise/Conversion	Group President, MS	MExercise/Conversion	+7,714 sh	$36.93	+$285K	22,494
2017-12-15	ACMAECOMF Tax Payment	Group President, MS	FTax Payment	−3,911 sh	$36.93	−$144K	18,583
2017-12-15	ACMAECOMA Award	Group President, MS	AAward	+4,753 sh	$36.93	+$176K	23,336
2017-12-15	ACMAECOM · Restricted Stock UnitM Exercise/Conversion	Group President, MS	MExercise/Conversion	+7,714 sh	—	—	7,714
2017-12-15	ACMAECOM · Restricted Stock UnitA Award	Group President, MS	AAward	+4,753 sh	—	—	4,753

Recent filings

Accepted (ET)
Feb 104
Vollmer John C.0001628280-26-006820
SEC(opens sec.gov)
Apr 104
Vollmer John C.0002011286-25-000117
SEC(opens sec.gov)
Mar 74
Vollmer John C.0002011286-25-000091
SEC(opens sec.gov)
Nov 84
Vollmer John C.0002011286-24-000023
SEC(opens sec.gov)
Jan 294
Vollmer John C.0001179110-20-000881
SEC(opens sec.gov)
Dec 314
Vollmer John C.0001179110-19-013208
SEC(opens sec.gov)
Dec 174
Vollmer John C.0001179110-19-012959
SEC(opens sec.gov)
Dec 184
Vollmer John C.0001179110-18-014103
SEC(opens sec.gov)

Companies

Address

C/O AMENTUM HOLDINGS, INC. 4800 WESTFIELDS BOULEVARD, SUITE 400

CHANTILLY, VA, 20151