Who
John C. Vollmer
Director
Company insider
Files Form 4 as: Director, Amentum Holdings; Group President, MS, Aecom.
In numbers
- Trades disclosed
- 35
- Buys
- 0
- Sells
- 1
- Bought
- $0
- Sold
- $1.3M
- Companies
- 2
- Companies where not an officer
- 1
- First trade
- 15 Dec 2017
- Last trade
- 6 Feb 2026
- Last filed
- 10 Feb 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 6 Feb 2026filed 10 Feb 2026 | AMTM Amentum HoldingsBusiness Services | SEC FORM 4 Code M | —11,564 | filing |
| 6 Feb 2026filed 10 Feb 2026 | AMTM Amentum HoldingsBusiness Services | SEC FORM 4 Code A | —5,062 at $0.00 | filing |
| 6 Feb 2026filed 10 Feb 2026 | AMTM Amentum Holdingsoption or derivative · Business Services | SEC FORM 4 Code M | —11,564 at $0.00 | filing |
| 6 Feb 2026filed 10 Feb 2026 | AMTM Amentum Holdingsoption or derivative · Business Services | SEC FORM 4 Code M | —11,564 at $0.00 | filing |
| 6 Feb 2026filed 10 Feb 2026 | AMTM Amentum HoldingsBusiness Services | SEC FORM 4 Code M | —11,564 | filing |
| 6 Feb 2026filed 10 Feb 2026 | AMTM Amentum HoldingsBusiness Services | SEC FORM 4 Code A | —5,062 at $0.00 | filing |
| 8 Apr 2025filed 10 Apr 2025 | AMTM Amentum Holdingsoption or derivative · Business Services | SEC FORM 4 Code A | —11,564 at $0.00 | filing |
| 5 Mar 2025filed 7 Mar 2025 | AMTM Amentum Holdingsoption or derivative · Business Services | SEC FORM 4 Code M | —3,447 at $0.00 | filing |
| 5 Mar 2025filed 7 Mar 2025 | AMTM Amentum HoldingsBusiness Services | SEC FORM 4 Code M | —3,447 | filing |
| 17 Dec 2024filed 7 Mar 2025 | AMTM Amentum HoldingsBusiness Services | SEC FORM 4 Code J | —391,341 | filing |
| 6 Nov 2024filed 8 Nov 2024 | AMTM Amentum Holdingsoption or derivative · Business Services | SEC FORM 4 Code A | —3,447 at $0.00 | filing |
| 27 Jan 2020filed 29 Jan 2020 | ACM AecomEngineering & Construction | SEC FORM 4 Code A | —19,679 | filing |
| 27 Jan 2020filed 29 Jan 2020 | ACM AecomEngineering & Construction | SEC FORM 4 Code M | $658K13,481 at $48.82 | filing |
| 27 Jan 2020filed 29 Jan 2020 | ACM AecomEngineering & Construction | SEC FORM 4 Code F | $322K6,600 at $48.82 | filing |
| 27 Jan 2020filed 29 Jan 2020 | ACM Aecomoption or derivative · Engineering & Construction | SEC FORM 4 Code M | —7,824 | filing |
| 27 Jan 2020filed 29 Jan 2020 | ACM Aecomoption or derivative · Engineering & Construction | SEC FORM 4 Code M | —5,657 | filing |
| 27 Dec 2019filed 31 Dec 2019 | ACM Aecomoption or derivative · Engineering & Construction | SEC FORM 4 Code M | —30,240 | filing |
| 27 Dec 2019filed 31 Dec 2019 | ACM AecomEngineering & Construction | SEC FORM 4 Sold | $1.3M30,240 at $43.28 | filing |
| 15 Dec 2019filed 17 Dec 2019 | ACM Aecomoption or derivative · Engineering & Construction | SEC FORM 4 Code M | —6,879 | filing |
| 15 Dec 2019filed 17 Dec 2019 | ACM AecomEngineering & Construction | SEC FORM 4 Code M | $263K6,879 at $38.16 | filing |
News
No headline names them, or the companies they trade most, lately.