John C. Vollmer
Director · Amentum Holdings, Inc.
Individual
- 2024
- Feb 10, 2026
- 2
Filings (90d)
Other insiders active in the same sector
No other insider has filed at John C. Vollmer's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Andrey Korolenko - $122.56M in NBIS purchases and sales in the last 12 months
- Matthew Jacobson - $122.07M in DDOG purchases and sales in the last 12 months
- Jack Abuhoff - $121.92M in INOD purchases and sales in the last 12 months
- Michael Sentonas - $121.51M in CRWD purchases and sales in the last 12 months
- Ophir Nave - $117.77M in NBIS purchases and sales in the last 12 months
- Albert L. Lord - $117.34M in APCX purchases and sales in the last 12 months
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Frequently asked questions
Who is John C. Vollmer?
John C. Vollmer is a corporate insider, tracked as Director of Amentum Holdings, Inc. (AMTM). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did John C. Vollmer last file a Form 4?
The most recent primary Form 4 on record is dated 10 February 2026, one of 2 filings going back to 2024.
