Castellum Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Castellum Inc.
- Ownership
- Public
- Status
- Active
- Ticker symbol
- CTM
- Primary stock exchange
- NYSE American
Identifiers
- SEC CIK
- 0001877939
Board of directors
-
Bernard S. Champoux · DirectorSince 2023
-
Charles Thomas McMillen · DirectorSince 2023
-
Jay O. Wright · Director · General Counsel, SecretarySince 2023
-
John Francis Campbell · DirectorSince 2023
-
Laurie M. Buckhout · Director · Chief Revenue OfficerSince 2022
-
Mark C. Fuller · DirectorSince 2023
-
Mark S. Alarie · DirectorSince 2023
-
Patricia Frost · DirectorSince 2023
Board connections
1 of this board's directors also sit on 1 other board.
- via Charles Thomas McMillen
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $45,471
- 10 purchases by 4 insiders
- Sold, last 12 months
- $769,300
- 14 sales by 2 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 9, 2026 | Merriman Andrew Officer (Chief Operating Officer) | Open-market purchase | +40,000 | $0.62 | $24,772 |
| Sep 9, 2026 | Merriman Andrew Officer (Chief Operating Officer) | Open-market purchase | +10,000 | $0.62 | $6,200 |
| Jul 1, 2026 | Bell David T Officer (Chief Financial Officer), Treasurer | Open-market purchase | +1,202 | $0.61 | $736 |
| Jul 1, 2026 | Ives Glen R Officer (President), Chief Executive Officer | Open-market purchase | +1,262 | $0.61 | $772 |
| Jul 1, 2026 | MARTIN TAMMY L Officer (General Counsel and Secretary) | Open-market purchase | +1,202 | $0.61 | $736 |
| Jul 1, 2026 | Merriman Andrew Officer (Chief Operating Officer) | Open-market purchase | +1,202 | $0.61 | $736 |
| Mar 31, 2026 | MARTIN TAMMY L Officer (General Counsel and Secretary) | Grant or award | +1,329 | $0.45 | $598 |
| Mar 31, 2026 | Bell David T Officer (Chief Financial Officer), Treasurer | Grant or award | +1,329 | $0.45 | $598 |
| Mar 31, 2026 | Merriman Andrew Officer (Chief Operating Officer) | Grant or award | +1,329 | $0.45 | $598 |
| Mar 27, 2026 | Ives Glen R Officer (President), Chief Executive Officer | Open-market purchase | +2,000 | $0.62 | $1,240 |
| Mar 27, 2026 | Merriman Andrew Officer (Chief Operating Officer) | Open-market purchase | +2,000 | $0.64 | $1,280 |
| Mar 26, 2026 | Ives Glen R Officer (President), Chief Executive Officer | Open-market purchase | +10,000 | $0.66 | $6,600 |
| Mar 25, 2026 | Charles Thomas McMillen Director | Open-market sale | −30,000 | $0.70 | $21,000 |
| Mar 18, 2026 | Charles Thomas McMillen Director | Open-market sale | −55,000 | $0.80 | $44,000 |
| Mar 18, 2026 | Merriman Andrew Officer (Chief Operating Officer) | Open-market purchase | +3,000 | $0.80 | $2,400 |
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