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Insider ActivityAMTM
Arnette Stephen A, Chief Operating Officer at Amentum Holdings, Inc., traded $82K of AMTM
Updated Jun 12, 2026
Arnette Stephen A
Chief Operating Officer
Amentum Holdings, Inc. ·
$AMTM
Transaction Details
| Insider | Arnette Stephen A |
|---|---|
| Title | Chief Operating Officer |
| Company | Amentum Holdings, Inc. |
| Ticker | AMTM |
| Transaction Type | Tax |
| Transaction Date | 2026-05-06 |
| Shares Traded | 3,314 |
| Price Per Share | $24.89 |
| Total Value | $82K |
| Filed Date | 2026-05-07 |
| Accession Number | 0002011286-26-000017 |
Ownership Context
| Shares Owned After Transaction | 106,652 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0002011286-26-000017
Other Insider Trades — AMTM
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Bruning Jill L | Chief Technology Officer | traded | — | 2026-05-06 |
| Bruning Jill L | Chief Technology Officer | traded | $68K | 2026-05-06 |
| Johnson Travis Barton | Chief Financial Officer | traded | — | 2026-05-06 |
| Johnson Travis Barton | Chief Financial Officer | traded | $102K | 2026-05-06 |
| Arnette Stephen A | Chief Operating Officer | traded | — | 2026-05-06 |
| Heller John E. | Chief Executive Officer, Director | traded | — | 2026-05-06 |
| Heller John E. | Chief Executive Officer, Director | traded | $204K | 2026-05-06 |
| Mullen Sean Thomas | Chief Growth Officer | traded | — | 2026-05-06 |
| Mullen Sean Thomas | Chief Growth Officer | traded | $69K | 2026-05-06 |
Other Trades by Arnette Stephen A
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| AMTM | Amentum Holdings, Inc. | traded | — | 2026-05-06 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for AMTM — Amentum Holdings, Inc. →
Whisper Score — AMTM
24.51
Murmurs
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 12, 2026 at 07:09 UTC