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AI brief of an SEC Form 8-K · Amentum (AMTM)

Amentum appoints Stephen A. Arnette as Chief Operating Officer, effective September 27

Neutral Impact 3 of 5 leadership Written later

Amentum Holdings named Stephen A. Arnette as Chief Operating Officer, effective September 27, 2024. The company also amended its certificate of incorporation ahead of the planned spin-off from Jacobs Solutions, raising authorized shares of its common stock to 1,000,000,000 and effecting a stock split that leaves 153,280,369 shares outstanding.

Key points

  • Stephen A. Arnette appointed Chief Operating Officer by the Board on September 26, 2024, effective September 27, 2024
  • Certificate of amendment filed in Delaware on September 26, 2024 increased authorized SpinCo common stock to 1,000,000,000 shares
  • Stock split resulted in 153,280,369 issued and outstanding shares of SpinCo common stock
  • Shares are to be distributed pro rata by Jacobs Solutions Inc. to its stockholders

The filing

CompanyAmentum (AMTM)
Form8-K, current report
Filed with the SECSep 27, 2024, 3:46 PM ET
Accession number0001193125-24-227910

Items reported: 5.02 Director / Officer Change5.03 Bylaw / Charter Amendment

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:05 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on September 27, 2024.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.