Definitive Healthcare Corp. (DH) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending January 14, 2026, Definitive Healthcare's three dominant insider ownership positions are held by Director International Corp/Ma Advent (62.49Mn shares), Director Lauren Young (62.49Mn shares), Director Christopher Egan (62.49Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
International Corp/Ma Advent 62,493,676 24 Nov, 2021
Christopher Egan 62,493,676 24 Nov, 2021
Lauren Young 62,493,676 24 Nov, 2021
Kevin Coop Chief Executive Officer 3,556,552 05 Jan, 2026
Jason Ronald Krantz 1,510,584 04 Nov, 2025
Vii Management, Llc Sea 1,441,657 24 Aug, 2023
Casey Heller Chief Financial Officer 1,275,490 07 Jan, 2026
Robert W Musslewhite Chief Executive Officer 1,201,638 09 Jan, 2024
Jonathan Maack President 699,650 07 May, 2024
Kate Marie Shamsuddin Chief Operating Officer 694,149 05 Aug, 2025
Benjamin Graboske Evp And Chief Data Officer 676,913 23 Dec, 2025
Richard Douglas Booth Chief Financial Officer 652,630 05 May, 2025
William Moschella Chief Product & Tech Officer 451,302 04 Feb, 2025
Carrie Lazorchak Chief Revenue Officer 421,528 16 Feb, 2024
Jonathan Paris Chief Legal Officer 421,349 02 Jul, 2025
Christopher Mitchell 226,126 24 Aug, 2023
Joseph Gianni Mirisola Chief Revenue Officer 185,198 18 Sep, 2023
Sastry Chilukuri 126,794 09 Jun, 2025
Scott G Stephenson 124,124 09 Jun, 2025
Kathleen A Winters 119,792 09 Jun, 2025
Jill Larsen 114,751 09 Jun, 2025
Samuel A Hamood 100,206 09 Jun, 2025
Jeffrey Charles Haywood 41,934 24 Aug, 2023
David M Samuels Chief Legal Officer 23,167 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
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
22 Dec, 2025 Benjamin Graboske - - 676,913 D
01 Nov, 2025 Jason Ronald Krantz - - 1,060,584 D
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 - - 694,149 D
01 Aug, 2025 Kate Marie Shamsuddin Class A Common Stock D 4,741 $3.74 694,149 D F
01 Aug, 2025 Jason Ronald Krantz Class A Common Stock D 18,796 $3.74 1,083,473 D F
01 Aug, 2025 Casey Heller Class A Common Stock D 1,244 $3.74 1,089,721 D F
01 Jul, 2025 Jonathan Paris Class A Common Stock A 421,349 $0.00 421,349 D A
01 Jul, 2025 Jonathan Paris - - 421,349 D
01 Jul, 2025 Kevin Coop Class A Common Stock D 116,750 $4.05 3,622,381 D F
14 Jun, 2025 Kate Marie Shamsuddin Class A Common Stock D 1,012 $3.65 698,890 D F
14 Jun, 2025 Jason Ronald Krantz Class A Common Stock D 4,093 $3.65 1,102,269 D F
10 Jun, 2025 Casey Heller Class A Common Stock A 485,881 $0.00 1,090,965 D A