Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗
Lifetime net: -$2.4M
Reported holding is the most recent post-transaction share count on a Table I row.
How quickly this filer reports. Section 16 allows two business days from the transaction.
All 13 filings we hold were filed within the two-business-day deadline.
Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings
The 28 most recent Form 4 transactions.
| Dec 15, 2025 | CTM | Castellum, Inc. | SSELL | 6,000 | $1.10 | $6.6K | <0.1% | Open the original filing on SEC.gov |
| Dec 12, 2025 | CTM | Castellum, Inc. | SSELL | 11,000 | $1.16 | $12.7K | -0.1% | Open the original filing on SEC.gov |
| Dec 11, 2025 | CTM | Castellum, Inc. | SSELL | 50,000 | $1.16 | $58.1K | -0.7% | Open the original filing on SEC.gov |
| Dec 10, 2025 | CTM | Castellum, Inc. | SSELL | 127,000 | $1.21 | $153.3K | -1.7% | Open the original filing on SEC.gov |
| Dec 1, 2025 | CTM | Castellum, Inc. | SSELL | 35,000 | $1.05 | $36.8K | -0.5% | Open the original filing on SEC.gov |
| Nov 28, 2025 | CTM | Castellum, Inc. | SSELL | 18,000 | $1.06 | $19K | -0.2% | Open the original filing on SEC.gov |
| Nov 17, 2025 | CTM | Castellum, Inc. | SSELL | 10,000 | $1.16 | $11.6K | -0.1% | Open the original filing on SEC.gov |
| Nov 14, 2025 | CTM | Castellum, Inc. | SSELL | 90,000 | $1.15 | $103.5K | -1.2% | Open the original filing on SEC.gov |
| Nov 13, 2025 | CTM | Castellum, Inc. | SSELL | 160,000 | $1.17 | $186.4K | -2.1% | Open the original filing on SEC.gov |
| Nov 11, 2025 | CTM | Castellum, Inc. | SSELL | 60,000 | $1.18 | $70.8K | -0.8% | Open the original filing on SEC.gov |
| Sep 16, 2025 | CTM | Castellum, Inc. | SSELL | 50,000 | $1.11 | $55.5K | -0.6% | Open the original filing on SEC.gov |
| Sep 15, 2025 | CTM | Castellum, Inc. | SSELL | 50,000 | $1.10 | $55K | -0.6% | Open the original filing on SEC.gov |
| Sep 12, 2025 | CTM | Castellum, Inc. | SSELL | 73,000 | $1.12 | $81.8K | -0.9% | Open the original filing on SEC.gov |
| Sep 11, 2025 | CTM | Castellum, Inc. | SSELL | 90,000 | $1.12 | $100.8K | -1.1% | Open the original filing on SEC.gov |
| Sep 10, 2025 | CTM | Castellum, Inc. | SSELL | 70,000 | $1.12 | $78.4K | -0.9% | Open the original filing on SEC.gov |
| Sep 9, 2025 | CTM | Castellum, Inc. | SSELL | 150,000 | $1.12 | $168K | -1.8% | Open the original filing on SEC.gov |
| Sep 8, 2025 | CTM | Castellum, Inc. | SSELL | 250,227 | $1.12 | $280.3K | -2.9% | Open the original filing on SEC.gov |
| Sep 5, 2025 | CTM | Castellum, Inc. | SSELL | 46,473 | $1.08 | $50.2K | -0.5% | Open the original filing on SEC.gov |
| Aug 28, 2025 | CTM | Castellum, Inc. | SSELL | 24,000 | $1.05 | $25.1K | -0.3% | Open the original filing on SEC.gov |
| Aug 27, 2025 | CTM | Castellum, Inc. | SSELL | 40,000 | $1.04 | $41.6K | -0.5% | Open the original filing on SEC.gov |
| Aug 26, 2025 | CTM | Castellum, Inc. | SSELL | 40,000 | $1.04 | $41.6K | -0.5% | Open the original filing on SEC.gov |
| Aug 22, 2025 | CTM | Castellum, Inc. | SSELL | 45,000 | $1.04 | $46.8K | -0.5% | Open the original filing on SEC.gov |
| Aug 19, 2025 | CTM | Castellum, Inc. | SSELL | 126,000 | $1.05 | $132.3K | -1.4% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTM | Castellum, Inc. | SSELL | 225,000 | $1.08 | $243K | -2.5% | Open the original filing on SEC.gov |
| May 19, 2025 | CTM | Castellum, Inc. | SSELL | 259,400 | $1.07 | $277.6K | -2.8% | Open the original filing on SEC.gov |
| May 19, 2025 | CTM | Castellum, Inc. | JOTHER | 240,600 | $1.04 | $250.2K | -2.5% | Open the original filing on SEC.gov |