CTM — Castellum, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2022-10-13.
Performance
Technicals
Others in Industrials
Measured signals that fired on CTM
| date | signal | measured base rate |
|---|---|---|
| 2026-08-20 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-08-10 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-07-23 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-07-14 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-06-15 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-01 | Ives Glen R President | Open-market purchase | 1.3K | 0.61 | 772 |
| 2026-07-01 | MARTIN TAMMY L General Counsel and Secretary | Open-market purchase | 1.2K | 0.61 | 736 |
| 2026-07-01 | Bell David T Chief Financial Officer | Open-market purchase | 1.2K | 0.61 | 736 |
| 2026-07-01 | Merriman Andrew Chief Operating Officer | Open-market purchase | 1.2K | 0.61 | 736 |
| 2026-03-31 | Bell David T Chief Financial Officer | Grant or award | 1.3K | 0.45 | 598 |
| 2026-03-31 | MARTIN TAMMY L General Counsel and Secretary | Grant or award | 1.3K | 0.45 | 598 |
| 2026-03-31 | Merriman Andrew Chief Operating Officer | Grant or award | 1.3K | 0.45 | 598 |
| 2026-03-27 | Merriman Andrew Chief Operating Officer | Open-market purchase | 2.0K | 0.64 | 1.3K |
| 2026-03-27 | Ives Glen R President | Open-market purchase | 2.0K | 0.62 | 1.2K |
| 2026-03-26 | Ives Glen R President | Open-market purchase | 10.0K | 0.66 | 6.6K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | 3.1M |
| GEODE CAPITAL MANAGEMENT, LLC | 557.1K | 944.9K |
| Meridian Wealth Management, LLC | 463.2K | 785.8K |
| CAPTRUST FINANCIAL ADVISORS | 369.1K | 626.1K |
| VANGUARD FIDUCIARY TRUST CO | 246.8K | 418.3K |
| STATE STREET CORP | 179.1K | 303.9K |
| BlackRock, Inc. | 156.5K | 265.5K |
| JANE STREET GROUP, LLC | 139.6K | 236.8K |
| Savvy Advisors, Inc. | 130.8K | 221.8K |
| NORTHERN TRUST CORP | 107.2K | 181.9K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 8-K | 2026-08-07 | 2026-08-06 | on EDGAR ↗ |
| 10-Q | 2026-08-06 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-07-31 | 2026-07-31 | on EDGAR ↗ |
| 4 | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
| 4 | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
| 4 | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
| 4 | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
| 8-K | 2026-07-02 | 2026-07-01 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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