Castellum, Inc. (CTM) insider trading.
In Q3 2026, insiders at Castellum, Inc. reported 6 non-derivative transactions on 5 Forms 3, 4 and 5: 6 open-market purchases worth $34K and 0 sales.
- Transactions
- 6
- Purchases (P)
- 6
- Sales (S)
- 0
- Net shares, P minus S
- 54,868
- Insiders
- 4
- Last filed
- 2026-09-09
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Merriman Andrew | Officer · Chief Operating Officer | 3 | 3 | 0 |
| Ives Glen R | Officer, Other · President | 1 | 1 | 0 |
| Martin Tammy L | Officer · General Counsel and Secretary | 1 | 1 | 0 |
| Bell David T | Officer, Other · Chief Financial Officer | 1 | 1 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-09 | Merriman Andrew | P (A) | 40,000 | $0.62 | 578,531 | Form 4 |
| 2026-09-09 | Merriman Andrew | P (A) | 10,000 | $0.62 | 588,531 | Form 4 |
| 2026-07-01 | Ives Glen R | P (A) | 1,262 | $0.61 | 200,878 | Form 4 |
| 2026-07-01 | Martin Tammy L | P (A) | 1,202 | $0.61 | 15,031 | Form 4 |
| 2026-07-01 | Bell David T | P (A) | 1,202 | $0.61 | 17,255 | Form 4 |
| 2026-07-01 | Merriman Andrew | P (A) | 1,202 | $0.61 | 538,531 | Form 4 |
Transaction codes in this quarter
Get CTM insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1877939&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · CTM company page · Castellum, Inc. on SEC.gov
Questions
Are insiders buying or selling Castellum, Inc. (CTM)?
In Q3 2026, insiders at Castellum, Inc. reported 6 non-derivative transactions on 5 Forms 3, 4 and 5: 6 open-market purchases worth $34K and 0 sales. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Castellum, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/ctm.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.