Summary
Updated Aug 31, 2026
Jill L. Bruning is Chief Technology Officer of Amentum Holdings, Inc. (AMTM). 5 SEC Form 4 filings on record going back to 2024, most recently on 7 May 2026.
Recent Transactions
6Every recent SEC Form 4 transaction Jill L. Bruning has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jill L. Bruning go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Sector
No other insider has filed at Jill L. Bruning's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Brannin McBee - $533.03M of CRWV open-market activity in the last 12 months
- John T. Kim - $484.90M of AMKR open-market activity in the last 12 months
- 915 Investments, LP - $484.90M of AMKR open-market activity in the last 12 months
- Susan Ocampo - $474.39M of MTSI open-market activity in the last 12 months
- Andreas Bechtolsheim - $458.89M of ANET open-market activity in the last 12 months
- MEGACHIPS CORP - $414.04M of SITM open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jill L. Bruning?
Jill L. Bruning is a corporate insider, tracked as Chief Technology Officer of Amentum Holdings, Inc. (AMTM). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jill L. Bruning last file a Form 4?
The most recent primary Form 4 on record is dated 7 May 2026, one of 5 filings going back to 2024.
Where can I see all of Jill L. Bruning's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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