DLHC (DLH Holdings Corp.)
Insider Trading Activity
Every open-market purchase and sale reported by DLHC officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-09-10 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-09-08 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-09-01 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-28 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-26 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-24 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-20 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-18 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-13 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-11 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-07 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-07 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-08-05 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-31 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-31 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-31 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-31 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-31 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-31 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-31 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-28 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-24 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-14 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-10 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-08 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-06 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-07-02 | Kathryn M. JohnBull | Director, CEO and President | A | — | — |
| 2026-06-26 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-06-24 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-06-22 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-06-17 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-06-12 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-06-09 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-06-03 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-05-28 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-05-21 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-05-19 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-05-14 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-04-08 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-02-20 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-02-18 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-02-13 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2026-01-08 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2025-12-18 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2025-12-18 | Kathryn M. JohnBull | Chief Financial Officer | A | — | — |
| 2025-12-12 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2025-10-21 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2025-10-17 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| 2025-10-08 | Mink Brook Asset Management LLC | 10%+ Owner | Buy | — | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| — | 10%+ Owner | 4,202,983 | — |
| — | 10%+ Owner | 3,931,421 | — |
| — | 10%+ Owner | 3,924,879 | — |
| — | 10%+ Owner | 3,692,130 | — |
| — | 10%+ Owner | 3,681,421 | — |
| — | 10%+ Owner | 3,615,633 | — |
| — | 10%+ Owner | 2,184,118 | — |
| — | CEO and President | 982,389 | — |
| — | Director, CEO and President | 695,333 | — |
| — | President, DLH Solutions | 307,506 | — |
| — | Director | 277,770 | — |
| — | Director | 217,749 | — |
| — | Director | 197,251 | — |
| — | Director | 166,692 | — |
| — | Director | 153,133 | — |
| — | Director | 121,692 | — |
| — | Director | 79,429 | — |
| — | Director | 65,824 | — |
| — | Director | 57,317 | — |
| — | Director | 30,451 | — |
| — | Chief Growth Officer | 23,402 | — |
| — | Chief Human Resources Officer | 8,764 | — |
| — | Pres, Mission Svcs & Solutions | 1,200 | — |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the DLHC quote page; the site-wide leaderboard is on the insider transactions hub.