DH (Definitive Healthcare Corp. Class A Common Stock)
Insider Trading Activity
Every open-market purchase and sale reported by DH 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 |
|---|---|---|---|---|---|
| 2026-09-03 | Casey Heller | Chief Financial Officer | F | — | — |
| 2026-08-04 | Casey Heller | Chief Financial Officer | F | — | — |
| 2026-08-04 | Jason Ronald Krantz | Director | F | — | — |
| 2026-07-06 | Kevin Coop | Chief Executive Officer | F | — | — |
| 2026-07-06 | Jonathan Paris | Chief Legal Officer | F | — | — |
| 2026-06-09 | Samuel A Hamood | Director | A | — | — |
| 2026-06-08 | Scott G Stephenson | Director | A | — | — |
| 2026-06-08 | Kathleen A Winters | Director | A | — | — |
| 2026-06-08 | Sastry Chilukuri | Director | A | — | — |
| 2026-06-03 | Casey Heller | Chief Financial Officer | F | — | — |
| 2026-06-03 | Kevin Coop | Chief Executive Officer | F | — | — |
| 2026-05-05 | Casey Heller | Chief Financial Officer | F | — | — |
| 2026-05-05 | Jason Ronald Krantz | Director | F | — | — |
| 2026-04-03 | Kevin Coop | Chief Executive Officer | F | — | — |
| 2026-04-03 | Jason Ronald Krantz | Director | F | — | — |
| 2026-03-03 | Kevin Coop | Chief Executive Officer | F | — | — |
| 2026-02-26 | Casey Heller | Chief Financial Officer | A | — | — |
| 2026-02-26 | Benjamin Graboske | EVP, Chief Data Officer | A | — | — |
| 2026-02-26 | Jonathan Paris | Chief Legal Officer | A | — | — |
| 2026-02-26 | Jason Ronald Krantz | Director | A | — | — |
| 2026-02-26 | Kevin Coop | Chief Executive Officer | A | — | — |
| 2026-02-03 | Jason Ronald Krantz | Director | F | — | — |
| 2026-02-03 | Casey Heller | Chief Financial Officer | F | — | — |
| 2026-01-07 | Casey Heller | Chief Financial Officer | A | — | — |
| 2026-01-05 | Kevin Coop | Chief Executive Officer | F | — | — |
| 2025-12-23 | Benjamin Graboske | EVP, Chief Data Officer | F | — | — |
| 2025-11-04 | Jason Ronald Krantz | Director | F | — | — |
| 2025-11-04 | Casey Heller | Chief Financial Officer | F | — | — |
| 2025-10-03 | Kevin Coop | Chief Executive Officer | F | — | — |
| 2025-10-03 | Casey Heller | Chief Financial Officer | F | — | — |
| 2025-09-16 | Jason Ronald Krantz | Director | F | — | — |
| 2025-08-05 | Jason Ronald Krantz | Director | F | — | — |
| 2025-08-05 | Casey Heller | Chief Financial Officer | F | — | — |
| 2025-08-05 | Kate Marie Shamsuddin | CHIEF OPERATING OFFICER | F | — | — |
| 2025-07-03 | Kevin Coop | Chief Executive Officer | F | — | — |
| 2025-07-02 | Jonathan Paris | Chief Legal Officer | A | — | — |
| 2025-06-17 | Jason Ronald Krantz | Director | F | — | — |
| 2025-06-17 | Kate Marie Shamsuddin | CHIEF OPERATING OFFICER | F | — | — |
| 2025-06-11 | Casey Heller | Chief Financial Officer | A | — | — |
| 2025-06-09 | Scott G Stephenson | Director | A | — | — |
| 2025-06-09 | Jill Larsen | Director | A | — | — |
| 2025-06-09 | Kathleen A Winters | Director | A | — | — |
| 2025-06-09 | Sastry Chilukuri | Director | A | — | — |
| 2025-06-09 | Samuel A Hamood | Director | A | — | — |
| 2025-06-04 | Casey Heller | Chief Financial Officer | A | — | — |
| 2025-05-05 | Richard Douglas Booth | CHIEF FINANCIAL OFFICER | F | — | — |
| 2025-05-05 | Kate Marie Shamsuddin | CHIEF OPERATING OFFICER | F | — | — |
| 2025-05-05 | Jason Ronald Krantz | Director | F | — | — |
| 2025-04-29 | Kate Marie Shamsuddin | CHIEF OPERATING OFFICER | A | — | — |
| 2025-04-07 | Jason Ronald Krantz | Director | A | — | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| — | Director | 64,596,549 | — |
| — | Director | 64,596,549 | — |
| — | Director | 62,493,676 | — |
| — | Director | 62,493,676 | — |
| — | Director | 62,493,676 | — |
| — | Director | 62,493,676 | — |
| — | Director | 62,493,676 | — |
| — | Director | 62,493,676 | — |
| — | Director | 62,493,676 | — |
| — | Director | 13,843,158 | — |
| — | Director | 5,026,435 | — |
| — | Chief Executive Officer | 4,975,229 | — |
| — | Director | 4,743,478 | — |
| — | Director | 3,524,971 | — |
| — | Chief Financial Officer | 1,798,502 | — |
| — | Director | 1,639,272 | — |
| — | EVP, Chief Data Officer | 1,312,026 | — |
| — | Chief Executive Officer | 1,201,638 | — |
| — | Chief Legal Officer | 872,263 | — |
| — | PRESIDENT | 699,650 | — |
| — | CHIEF OPERATING OFFICER | 694,149 | — |
| — | CHIEF FINANCIAL OFFICER | 652,630 | — |
| — | Chief Product & Tech Officer | 451,302 | — |
| — | CHIEF REVENUE OFFICER | 421,528 | — |
| — | Director | 340,978 | — |
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 DH quote page; the site-wide leaderboard is on the insider transactions hub.