Castellum, Inc.
Castellum, Inc. (CTM) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · CTM · as of Jun 8, 2026
Activity summary
Buy transactions
4
P-Purchase only
Sell transactions
29
12 Months
Buy/Sell ratio
0.14
Buy/Sell (by trades)
Overall sentiment
Castellum, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
CTM insider buying and selling by quarter
CTM insider selling · CTM insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · CTM ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
CTM executive sell shares · CTM board member insider trading · CTM insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Mar 31, 2026 | MARTIN TAMMY L General Counsel and Secretary | Award | 1,329 | $604 | Form 4 |
| Mar 31, 2026 | Bell David T officer | Award | 1,329 | $604 | Form 4 |
| Mar 31, 2026 | Merriman Andrew COO | Award | 1,329 | $604 | Form 4 |
| Mar 25, 2026 | McMillen Charles Thomas Director | Sale | 30,000 | $21K | Form 4 |
| Mar 27, 2026 | Ives Glen R officer | Purchase | 2,000 | $1K | Form 4 |
| Mar 27, 2026 | Merriman Andrew COO | Purchase | 2,000 | $1K | Form 4 |
| Mar 26, 2026 | Ives Glen R officer | Purchase | 10,000 | $7K | Form 4 |
| Mar 18, 2026 | McMillen Charles Thomas Director | Sale | 55,000 | $44K | Form 4 |
| Mar 18, 2026 | Merriman Andrew COO | Purchase | 3,000 | $2K | Form 4 |
| Dec 19, 2025 | WRIGHT JAY O Director | Sale | 30,000 | $32K | Form 4 |
| Dec 15, 2025 | WRIGHT JAY O Director | Sale | 6,000 | $7K | Form 4 |
| Dec 16, 2025 | WRIGHT JAY O Director | Sale | 12,000 | $13K | Form 4 |
| Dec 10, 2025 | WRIGHT JAY O Director | Sale | 127,000 | $153K | Form 4 |
| Dec 11, 2025 | WRIGHT JAY O Director | Sale | 50,000 | $58K | Form 4 |
| Dec 12, 2025 | WRIGHT JAY O Director | Sale | 11,000 | $13K | Form 4 |
| Nov 28, 2025 | WRIGHT JAY O Director | Sale | 18,000 | $19K | Form 4 |
| Dec 1, 2025 | WRIGHT JAY O Director | Sale | 35,000 | $37K | Form 4 |
| Nov 14, 2025 | WRIGHT JAY O Director | Sale | 90,000 | $103K | Form 4 |
| Nov 17, 2025 | WRIGHT JAY O Director | Sale | 10,000 | $12K | Form 4 |
| Nov 11, 2025 | WRIGHT JAY O Director | Sale | 60,000 | $71K | Form 4 |
| Nov 13, 2025 | WRIGHT JAY O Director | Sale | 160,000 | $186K | Form 4 |
| Sep 15, 2025 | WRIGHT JAY O Director | Sale | 50,000 | $55K | Form 4 |
| Sep 16, 2025 | WRIGHT JAY O Director | Sale | 50,000 | $56K | Form 4 |
| Sep 10, 2025 | WRIGHT JAY O Director | Sale | 70,000 | $78K | Form 4 |
| Sep 11, 2025 | WRIGHT JAY O Director | Sale | 90,000 | $101K | Form 4 |
MARTIN TAMMY L
General Counsel and Secretary
Date
Mar 31
Shares
1,329
Price
$0.45
Value
$604
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About CTM insider trading
CTM insider trades
Castellum, Inc. (CTM) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including WRIGHT JAY O (Director), Merriman Andrew (COO), McMillen Charles Thomas (Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. CTM insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Castellum, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
CTM insider trading · 5 questionsThe insiders of Castellum, Inc. (CTM) include executives and directors such as WRIGHT JAY O (Director), Merriman Andrew (COO), McMillen Charles Thomas (Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026