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Tammy L. Martin - OfficerOpen-market purchase$747- David T. Bell - Officer
About Castellum, Inc. (CTM)
The SEC lists Castellum, Inc. under CIK 0001877939, in management consulting services. We track it alongside the rest of the Industrials sector.
CTM Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 6 | 55,888 | $34K |
CTM insider transactions (Form 4)
3836 Form 4 filings on record, the earliest from Aug 18, 2025, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Tammy L. Martin - Officer | Open-market purchase | Common Stock | 1,396 | $0.54 footnote F1 | $747 | |
| ||||||
| David T. Bell - Officer | Open-market purchase | Common Stock | 1,396 | $0.54 footnote F1 | $747 | |
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| Andrew Merriman - Officer | Open-market purchase | Common Stock | 1,396 | $0.54 footnote F1 | $747 | |
| ||||||
| Glen R. Ives - Officer | Open-market purchase | Common Stock | 1,700 | $0.54 footnote F1 | $910 | |
| ||||||
| Andrew Merriman - Officer | Open-market purchase | Common Stock | 40,000 | $0.62 | $25K | |
| Andrew Merriman - Officer | Open-market purchase | Common Stock | 10,000 | $0.62 | $6K | |
| Andrew Merriman - Officer | Open-market purchase | Common Stock | 1,202 | $0.61 footnote F1 | $736 | |
| ||||||
| David T. Bell - Officer | Open-market purchase | Common Stock | 1,202 | $0.61 footnote F1 | $736 | |
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| Tammy L. Martin - Officer | Open-market purchase | Common Stock | 1,202 | $0.61 footnote F1 | $736 | |
| ||||||
| Glen R. Ives - Officer | Grant or award | Stock Options | 773,630 | - footnote F2 | - | |
| Glen R. Ives - Officer | Open-market purchase | Common Stock | 1,262 | $0.61 footnote F1 | $772 | |
| ||||||
| Tammy L. Martin - Officer | Grant or award | Common Stock | 1,329 | $0.45 | $604 | |
| David T. Bell - Officer | Grant or award | Common Stock | 1,329 | $0.45 | $604 | |
| Andrew Merriman - Officer | Grant or award | Common Stock | 1,329 | $0.45 | $604 | |
 Charles Thomas McMillen - Director | Open-market sale | Common Stock | 30,000 | $0.70 | $21K | |
| Glen R. Ives - Officer | Open-market purchase | Common Stock | 2,000 | $0.62 | $1K | |
| Andrew Merriman - Officer | Open-market purchase | Common Stock | 2,000 | $0.64 | $1K | |
| Glen R. Ives - Officer | Open-market purchase | Common Stock | 10,000 | $0.66 | $7K | |
| Charles Thomas McMillen - Director | Open-market sale | Common Stock | 55,000 | $0.80 | $44K | |
| Andrew Merriman - Officer | Open-market purchase | Common Stock | 3,000 | $0.80 | $2K | |
 Jay O. Wright - Officer | Open-market sale | Common Stock | 18,000 | $1.06 | $19K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 35,000 | $1.05 | $37K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 90,000 | $1.15 | $103K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 10,000 | $1.16 | $12K | |
| John Francis Campbell - Director | Grant or award | Stock Options | 100,000 | $0.00 | - | |
| Glen R. Ives - Officer | Grant or award | Stock Options | 500,000 | $0.00 | - | |
| David T. Bell - Officer | Grant or award | Stock Options | 225,000 | $0.00 | - | |
| Andrew Merriman - Officer | Grant or award | Stock Options | 275,000 | $0.00 | - | |
| Charles Thomas McMillen - Director | Grant or award | Stock Options | 100,000 | $0.00 | - | |
| Bernard S. Champoux - Director | Grant or award | Stock Options | 100,000 | $0.00 | - | |
| Mark S. Alarie - Director | Grant or award | Stock Options | 100,000 | $0.00 | - | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 60,000 | $1.18 | $71K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 160,000 | $1.17 | $186K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 50,000 | $1.10 | $55K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 50,000 | $1.11 | $56K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 70,000 | $1.12 | $78K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 90,000 | $1.12 | $101K | |
| Jay O. Wright - Officer | Open-market sale | Common Stock | 73,000 | $1.12 | $82K | |
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CTM insider trading FAQ
What is the latest insider trade for CTM?
Castellum, Inc. (CTM) had 5 insider filings in the last 90 days, with the most recent on 2026-10-01. The full record for CTM runs to 36 Form 4 filings, the earliest from 2025-08-18. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying CTM stock?
6 insider purchases of CTM were filed in the last 90 days, totaling $34K.
How many insiders are selling CTM stock?
No insider sales of CTM were filed in the last 90 days. 23 sales are on record for this company.
Where can I see CTM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects CTM Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Industrials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Tammy L. Martin view on EDGAR
- - David T. Bell view on EDGAR
- - Andrew Merriman view on EDGAR
- - Glen R. Ives view on EDGAR
- - Andrew Merriman view on EDGAR
- - Andrew Merriman view on EDGAR
- - David T. Bell view on EDGAR
- - Tammy L. Martin view on EDGAR
- - Glen R. Ives view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Insider activity in Industrials
- Where CTM's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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