As of March 23, 2026, Definitive Healthcare's top three insider holders are Christopher Egan (Director, 62.49Mn shares), Lauren Young (Director, 62.49Mn shares), Kevin Coop (Chief Executive Officer, 5.12Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Christopher Egan | 0 | 62,493,676 | 24 Nov, 2021 | |
| Lauren Young | 0 | 62,493,676 | 24 Nov, 2021 | |
| Kevin Coop | Chief Executive Officer | 5,116,465 | 0 | 03 Mar, 2026 |
| Casey Heller | Chief Financial Officer | 2,007,322 | 0 | 26 Feb, 2026 |
| Vii Management, Llc Sea | 0 | 1,441,657 | 24 Aug, 2023 | |
| Benjamin Graboske | Evp, Chief Data Officer | 1,312,027 | 0 | 26 Feb, 2026 |
| Jason Ronald Krantz | 1,258,758 | 0 | 26 Feb, 2026 | |
| Robert W Musslewhite | Chief Executive Officer | 1,201,638 | 0 | 09 Jan, 2024 |
| Jonathan Paris | Chief Legal Officer | 902,854 | 0 | 26 Feb, 2026 |
| Jonathan Maack | President | 699,650 | 0 | 07 May, 2024 |
| Kate Marie Shamsuddin | Chief Operating Officer | 694,149 | 0 | 05 Aug, 2025 |
| Richard Douglas Booth | Chief Financial Officer | 652,630 | 0 | 05 May, 2025 |
| William Moschella | Chief Product Tech Officer | 451,302 | 0 | 04 Feb, 2025 |
| Jason Ronald Krantz | 0 | 450,000 | 09 Nov, 2022 | |
| Carrie Lazorchak | Chief Revenue Officer | 421,528 | 0 | 16 Feb, 2024 |
| Christopher Mitchell | 226,126 | 0 | 24 Aug, 2023 | |
| Joseph Gianni Mirisola | Chief Revenue Officer | 185,198 | 0 | 18 Sep, 2023 |
| Sastry Chilukuri | 126,794 | 0 | 09 Jun, 2025 | |
| Scott G Stephenson | 124,124 | 0 | 09 Jun, 2025 | |
| Kathleen A Winters | 119,792 | 0 | 09 Jun, 2025 | |
| Jill Larsen | 114,751 | 0 | 09 Jun, 2025 | |
| Samuel A Hamood | 100,206 | 0 | 09 Jun, 2025 | |
| Jeffrey Charles Haywood | 41,934 | 0 | 24 Aug, 2023 | |
| David M Samuels | Chief Legal Officer | 23,167 | 0 | 16 Sep, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Mar, 2026 | Kevin Coop | Class A Common Stock | D | 175,524 | $1.28 | 5,116,465 | D | F |
| 24 Feb, 2026 | Jason Ronald Krantz | Class A Common Stock | A | 242,719 | $0.00 | 1,258,758 | D | A |
| 24 Feb, 2026 | Benjamin Graboske | Class A Common Stock | A | 631,068 | $0.00 | 1,312,027 | D | A |
| 24 Feb, 2026 | Casey Heller | Class A Common Stock | A | 733,301 | $0.00 | 2,007,322 | D | A |
| 24 Feb, 2026 | Kevin Coop | Class A Common Stock | A | 1,735,437 | $0.00 | 5,291,989 | D | A |
| 24 Feb, 2026 | Jonathan Paris | Class A Common Stock | A | 481,505 | $0.00 | 902,854 | D | A |
| 01 Feb, 2026 | Casey Heller | Class A Common Stock | D | 1,469 | $2.32 | 1,274,021 | D | F |
| 01 Feb, 2026 | Jason Ronald Krantz | Class A Common Stock | D | 44,545 | $2.32 | 1,016,039 | D | F |
| 05 Jan, 2026 | Casey Heller | Class A Common Stock | A | 195,313 | $0.00 | 1,275,490 | D | A |
| 01 Jan, 2026 | Kevin Coop | Class A Common Stock | D | 28,236 | $2.87 | 3,556,552 | D | F |
| 22 Dec, 2025 | Benjamin Graboske | Class A Common Stock | D | 341,417 | $2.53 | 676,913 | D | F |
| 01 Nov, 2025 | Jason Ronald Krantz | Class A Common Stock | D | 18,796 | $2.77 | 1,060,584 | D | F |
| 01 Nov, 2025 | Casey Heller | Class A Common Stock | D | 1,244 | $2.77 | 1,080,177 | D | F |
| 01 Oct, 2025 | Kevin Coop | Class A Common Stock | D | 37,593 | $3.56 | 3,584,788 | D | F |
| 01 Oct, 2025 | Casey Heller | Class A Common Stock | D | 8,300 | $3.56 | 1,081,421 | D | F |
| 14 Sep, 2025 | Jason Ronald Krantz | Class A Common Stock | D | 4,093 | $4.15 | 1,079,380 | D | F |
| 01 Aug, 2025 | Kate Marie Shamsuddin | Class A Common Stock | D | 4,741 | $3.74 | 694,149 | D | F |
| 01 Aug, 2025 | Casey Heller | Class A Common Stock | D | 1,244 | $3.74 | 1,089,721 | D | F |
| 01 Aug, 2025 | Jason Ronald Krantz | Class A Common Stock | D | 18,796 | $3.74 | 1,083,473 | D | F |
| 01 Jul, 2025 | Kevin Coop | Class A Common Stock | D | 116,750 | $4.05 | 3,622,381 | D | F |