DHDefinitive Healthcare Corp.
- Market cap
- $115.28M
- as of 2026-10-23
- Latest close
- $1.08
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Health Information Services
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-10-10
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Paris JonathanChief Legal Officer | Oct 1 | Oct 5 | F | 7,729 | $0.94 | $7,235 | 864,534 | No | Form 4 |
| Heller CaseyChief Financial Officer | Oct 1 | Oct 5 | F | 12,542 | $0.94 | $11,741 | 1,785,960 | No | Form 4 |
| Heller CaseyChief Financial Officer | Sep 1 | Sep 3 | F | 41,093 | $0.90 | $36,984 | 1,798,502 | No | Form 4 |
| Heller CaseyChief Financial Officer | Aug 1 | Aug 4 | F | 1,881 | $0.68 | $1,279 | 1,839,595 | No | Form 4 |
| Krantz Jason Ronald | Aug 1 | Aug 4 | F | 12,166 | $0.68 | $8,273 | 1,189,272 | No | Form 4 |
| Paris JonathanChief Legal Officer | Jul 1 | Jul 6 | F | 30,591 | $0.80 | $24,473 | 872,263 | No | Form 4 |
| Coop KevinChief Executive Officer | Jul 1 | Jul 6 | F | 37,593 | $0.80 | $30,074 | 4,975,229 | No | Form 4 |
| Hamood Samuel A | Jun 4 | Jun 9 | A | 189,190 | $0.00 | $0 | 289,396 | No | Form 4 |
| Chilukuri Sastry | Jun 4 | Jun 8 | A | 189,190 | $0.00 | $0 | 315,984 | No | Form 4 |
| Winters Kathleen A | Jun 4 | Jun 8 | A | 189,190 | $0.00 | $0 | 308,982 | No | Form 4 |
| Stephenson Scott G | Jun 4 | Jun 8 | A | 189,190 | $0.00 | $0 | 313,314 | No | Form 4 |
| Coop KevinChief Executive Officer | Jun 1 | Jun 3 | F | 66,050 | $0.99 | $65,390 | 5,012,822 | No | Form 4 |
| Heller CaseyChief Financial Officer | Jun 1 | Jun 3 | F | 164,377 | $0.99 | $162,733 | 1,841,476 | No | Form 4 |
| Heller CaseyChief Financial Officer | May 1 | May 5 | F | 1,469 | $0.99 | $1,454 | 2,005,853 | No | Form 4 |
| Krantz Jason Ronald | May 1 | May 5 | F | 12,166 | $0.99 | $12,044 | 1,201,438 | No | Form 4 |
| Krantz Jason Ronald | Apr 1 | Apr 3 | F | 45,154 | $1.09 | $49,218 | 1,213,604 | No | Form 4 |
| Coop KevinChief Executive Officer | Apr 1 | Apr 3 | F | 37,593 | $1.09 | $40,976 | 5,078,872 | No | Form 4 |
| Coop KevinChief Executive Officer | Mar 1 | Mar 3 | F | 175,524 | $1.28 | $224,671 | 5,116,465 | No | Form 4 |
| Krantz Jason Ronald | Feb 24 | Feb 26 | A | 242,719 | $0.00 | $0 | 1,258,758 | No | Form 4 |
| Coop KevinChief Executive Officer | Feb 24 | Feb 26 | A | 1,735,437 | $0.00 | $0 | 5,291,989 | No | Form 4 |
| Heller CaseyChief Financial Officer | Feb 24 | Feb 26 | A | 733,301 | $0.00 | $0 | 2,007,322 | No | Form 4 |
| Paris JonathanChief Legal Officer | Feb 24 | Feb 26 | A | 481,505 | $0.00 | $0 | 902,854 | No | Form 4 |
| Graboske BenjaminEVP, Chief Data Officer | Feb 24 | Feb 26 | A | 631,068 | $0.00 | $0 | 1,312,026.65 | No | Form 4 |
| Heller CaseyChief Financial Officer | Feb 1 | Feb 3 | F | 1,469 | $2.32 | $3,408 | 1,274,021 | No | Form 4 |
| Krantz Jason Ronald | Feb 1 | Feb 3 | F | 44,545 | $2.32 | $103,344 | 1,016,039 | No | Form 4 |
| Heller CaseyChief Financial Officer | Jan 5 | Jan 7 | A | 195,313 | $0.00 | $0 | 1,275,490 | No | Form 4 |
| Coop KevinChief Executive Officer | Jan 1 | Jan 5 | F | 28,236 | $2.87 | $81,037 | 3,556,552 | No | Form 4 |
| Graboske BenjaminEVP, Chief Data Officer | Dec 22, 2025 | Dec 23, 2025 | F | 341,417 | $2.53 | $863,785 | 676,913 | No | Form 4 |
| Krantz Jason Ronald | Nov 1, 2025 | Nov 4, 2025 | F | 18,796 | $2.77 | $52,065 | 1,060,584 | No | Form 4 |
| Heller CaseyChief Financial Officer | Nov 1, 2025 | Nov 4, 2025 | F | 1,244 | $2.77 | $3,446 | 1,080,177 | No | Form 4 |
| Coop KevinChief Executive Officer | Oct 1, 2025 | Oct 3, 2025 | F | 37,593 | $3.56 | $133,831 | 3,584,788 | No | Form 4 |
| Heller CaseyChief Financial Officer | Oct 1, 2025 | Oct 3, 2025 | F | 8,300 | $3.56 | $29,548 | 1,081,421 | No | Form 4 |
| Krantz Jason Ronald | Sep 14, 2025 | Sep 16, 2025 | F | 4,093 | $4.15 | $16,986 | 1,079,380 | No | Form 4 |
| Krantz Jason Ronald | Aug 1, 2025 | Aug 5, 2025 | F | 18,796 | $3.74 | $70,297 | 1,083,473 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Aug 1, 2025 | Aug 5, 2025 | F | 4,741 | $3.74 | $17,731 | 694,149 | No | Form 4 |
| Heller CaseyChief Financial Officer | Aug 1, 2025 | Aug 5, 2025 | F | 1,244 | $3.74 | $4,653 | 1,089,721 | No | Form 4 |
| Coop KevinChief Executive Officer | Jul 1, 2025 | Jul 3, 2025 | F | 116,750 | $4.05 | $472,838 | 3,622,381 | No | Form 4 |
| Paris JonathanChief Legal Officer | Jul 1, 2025 | Jul 2, 2025 | A | 421,349 | $0.00 | $0 | 421,349 | No | Form 4 |
| Krantz Jason Ronald | Jun 14, 2025 | Jun 17, 2025 | F | 4,093 | $3.65 | $14,939 | 1,102,269 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Jun 14, 2025 | Jun 17, 2025 | F | 1,012 | $3.65 | $3,694 | 698,890 | No | Form 4 |
| Heller CaseyChief Financial Officer | Jun 10, 2025 | Jun 11, 2025 | A | 485,881 | $0.00 | $0 | 1,090,965 | No | Form 4 |
| Hamood Samuel A | Jun 5, 2025 | Jun 9, 2025 | A | 55,911 | $0.00 | $0 | 100,206 | No | Form 4 |
| Stephenson Scott G | Jun 5, 2025 | Jun 9, 2025 | A | 55,911 | $0.00 | $0 | 124,124 | No | Form 4 |
| Larsen Jill | Jun 5, 2025 | Jun 9, 2025 | A | 55,911 | $0.00 | $0 | 114,751 | No | Form 4 |
| Winters Kathleen A | Jun 5, 2025 | Jun 9, 2025 | A | 55,911 | $0.00 | $0 | 119,792 | No | Form 4 |
| Chilukuri Sastry | Jun 5, 2025 | Jun 9, 2025 | A | 55,911 | $0.00 | $0 | 126,794 | No | Form 4 |
| Heller CaseyChief Financial Officer | Jun 2, 2025 | Jun 4, 2025 | A | 498,339 | $0.00 | $0 | 605,084 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | May 1, 2025 | May 5, 2025 | F | 7,873 | $2.75 | $21,651 | 652,630.17 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | May 1, 2025 | May 5, 2025 | F | 4,595 | $2.75 | $12,636 | 699,902 | No | Form 4 |
| Krantz Jason Ronald | May 1, 2025 | May 5, 2025 | F | 18,795 | $2.75 | $51,686 | 1,106,362 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Apr 28, 2025 | Apr 29, 2025 | A | 243,446 | $0.00 | $0 | 704,497 | No | Form 4 |
| Krantz Jason Ronald | Apr 3, 2025 | Apr 7, 2025 | A | 153,847 | $0.00 | $0 | 1,125,157 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Mar 14, 2025 | Mar 18, 2025 | F | 963 | $2.59 | $2,494 | 660,503.17 | No | Form 4 |
| Krantz Jason Ronald | Mar 14, 2025 | Mar 18, 2025 | F | 4,093 | $2.59 | $10,601 | 971,310 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Mar 14, 2025 | Mar 18, 2025 | F | 1,012 | $2.59 | $2,621 | 461,051 | No | Form 4 |
| Graboske BenjaminEVP, Chief Data Officer | Mar 3, 2025 | Mar 4, 2025 | A | 1,018,330 | $0.00 | $0 | 1,018,330 | No | Form 4 |
| Coop KevinChief Executive Officer | Mar 1, 2025 | Mar 4, 2025 | A | 2,382,892 | $0.00 | $0 | 3,739,131 | No | Form 4 |
| Krantz Jason Ronald | Feb 14, 2025 | Feb 19, 2025 | A | 16,479 | $0.00 | $0 | 982,874 | No | Form 4 |
| Krantz Jason Ronald | Feb 14, 2025 | Feb 19, 2025 | F | 7,471 | $5.55 | $41,464 | 975,403 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Feb 1, 2025 | Feb 4, 2025 | F | 27,080 | $4.86 | $131,609 | 661,466.17 | No | Form 4 |
| Krantz Jason Ronald | Feb 1, 2025 | Feb 4, 2025 | F | 56,976 | $4.86 | $276,903 | 966,395 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Feb 1, 2025 | Feb 4, 2025 | F | 16,342 | $4.86 | $79,422 | 462,063 | No | Form 4 |
| Moschella WilliamChief Product & Tech Officer | Feb 1, 2025 | Feb 4, 2025 | F | 28,538 | $4.86 | $138,695 | 451,302 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Jan 21, 2025 | Feb 4, 2025 | A | 107,480 | $0.00 | $0 | 698,738.17 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Jan 21, 2025 | Feb 4, 2025 | F | 10,192 | $4.41 | $44,947 | 688,546.17 | No | Form 4 |
| Krantz Jason Ronald | Jan 21, 2025 | Feb 4, 2025 | A | 178,582 | $0.00 | $0 | 1,045,986 | No | Form 4 |
| Krantz Jason Ronald | Jan 21, 2025 | Feb 4, 2025 | F | 22,615 | $4.41 | $99,732 | 1,023,371 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Jan 21, 2025 | Feb 4, 2025 | A | 56,221 | $0.00 | $0 | 483,736 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Jan 21, 2025 | Feb 4, 2025 | F | 5,331 | $4.41 | $23,510 | 478,405 | No | Form 4 |
| Moschella WilliamChief Product & Tech Officer | Jan 21, 2025 | Feb 4, 2025 | A | 66,142 | $0.00 | $0 | 486,551 | No | Form 4 |
| Moschella WilliamChief Product & Tech Officer | Jan 21, 2025 | Feb 4, 2025 | F | 6,711 | $4.41 | $29,596 | 479,840 | No | Form 4 |
| Moschella WilliamChief Product & Tech Officer | Jan 1, 2025 | Jan 3, 2025 | F | 13,421 | $4.11 | $55,160 | 420,409 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Dec 14, 2024 | Dec 17, 2024 | F | 1,501 | $4.49 | $6,739 | 591,258.17 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Dec 14, 2024 | Dec 17, 2024 | F | 1,044 | $4.49 | $4,688 | 427,515 | No | Form 4 |
| Krantz Jason Ronald | Dec 14, 2024 | Dec 17, 2024 | F | 4,093 | $4.49 | $18,378 | 867,404 | No | Form 4 |
| Moschella WilliamChief Product & Tech Officer | Dec 3, 2024 | Dec 5, 2024 | S | 45,000 | $4.70 | Sale −$211,500 | 433,830 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Nov 5, 2024 | Nov 7, 2024 | A | 92,379 | $0.00 | $0 | 592,759.17 | No | Form 4 |
| Krantz Jason Ronald | Nov 1, 2024 | Nov 5, 2024 | F | 7,830 | $4.18 | $32,729 | 871,497 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Nov 1, 2024 | Nov 5, 2024 | F | 2,506 | $4.18 | $10,475 | 428,559 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Nov 1, 2024 | Nov 5, 2024 | F | 3,811 | $4.18 | $15,930 | 500,380.17 | No | Form 4 |
| Moschella WilliamChief Product & Tech Officer | Nov 1, 2024 | Nov 5, 2024 | F | 3,587 | $4.18 | $14,994 | 478,830 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF OPERATING OFFICER | Sep 29, 2024 | Oct 1, 2024 | A | 113,379 | $0.00 | $0 | 431,065 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF STRATEGY OFFICER | Sep 14, 2024 | Sep 17, 2024 | F | 1,044 | $4.44 | $4,635 | 317,686 | No | Form 4 |
| Krantz Jason Ronald | Sep 14, 2024 | Sep 17, 2024 | F | 4,003 | $4.44 | $17,773 | 879,327 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Sep 14, 2024 | Sep 17, 2024 | F | 993 | $4.44 | $4,409 | 504,191.17 | No | Form 4 |
| Krantz Jason RonaldINTERIM CEO | Aug 1, 2024 | Aug 5, 2024 | F | 7,659 | $3.95 | $30,253 | 883,330 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF STRATEGY OFFICER | Aug 1, 2024 | Aug 5, 2024 | F | 2,506 | $3.95 | $9,899 | 318,730 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Aug 1, 2024 | Aug 5, 2024 | F | 3,620 | $3.95 | $14,299 | 505,184.17 | No | Form 4 |
| Moschella WilliamChief Product & Tech Officer | Aug 1, 2024 | Aug 5, 2024 | F | 14,495 | $3.95 | $57,255 | 482,417 | No | Form 4 |
| Coop KevinChief Executive Officer | Jul 4, 2024 | Jul 8, 2024 | A | 186,192 | $0.00 | $0 | 1,356,239 | No | Form 4 |
| Coop KevinChief Executive Officer | Jun 24, 2024 | Jun 24, 2024 | A | 1,170,047 | $0.00 | $0 | 1,170,047 | No | Form 4 |
| Coop KevinChief Executive Officer | Jun 24, 2024 | Jun 24, 2024 | A · derivative | 1,137,038 | $0.00 | $0 | 1,137,038 | No | Form 4 |
| Krantz Jason RonaldINTERIM CEO | Jun 14, 2024 | Jun 18, 2024 | F | 4,003 | $5.62 | $22,497 | 890,989 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF STRATEGY OFFICER | Jun 14, 2024 | Jun 18, 2024 | F | 1,044 | $5.62 | $5,867 | 321,236 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Jun 14, 2024 | Jun 18, 2024 | F | 993 | $5.62 | $5,581 | 508,804.17 | No | Form 4 |
| Chilukuri Sastry | May 22, 2024 | May 24, 2024 | A | 26,759 | $0.00 | $0 | 70,883 | No | Form 4 |
| Hamood Samuel A | May 22, 2024 | May 24, 2024 | A | 26,759 | $0.00 | $0 | 58,840 | No | Form 4 |
| Larsen Jill | May 22, 2024 | May 24, 2024 | A | 26,759 | $0.00 | $0 | 58,840 | No | Form 4 |
| Stephenson Scott G | May 22, 2024 | May 24, 2024 | A | 26,759 | $0.00 | $0 | 68,213 | No | Form 4 |
| Winters Kathleen A | May 22, 2024 | May 24, 2024 | A | 26,759 | $0.00 | $0 | 63,881 | No | Form 4 |
| Maack JonathanPRESIDENT | May 3, 2024 | May 7, 2024 | F | 10,021 | $7.03 | $70,448 | 699,650 | No | Form 4 |
| Moschella WilliamChief Product & Tech Officer | May 1, 2024 | May 3, 2024 | A | 297,686 | $0.00 | $0 | 496,912 | No | Form 4 |
| Krantz Jason RonaldINTERIM CEO | May 1, 2024 | May 3, 2024 | F | 7,658 | $6.97 | $53,376 | 894,992 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF STRATEGY OFFICER | May 1, 2024 | May 3, 2024 | F | 2,506 | $6.97 | $17,467 | 322,280 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | May 1, 2024 | May 3, 2024 | F | 3,620 | $6.97 | $25,231 | 509,797.17 | No | Form 4 |
| Krantz Jason RonaldINTERIM CEO | Mar 14, 2024 | Mar 18, 2024 | F | 2,808 | $8.09 | $22,717 | 902,650 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF PRODUCT OFFICER | Mar 14, 2024 | Mar 18, 2024 | F | 1,044 | $8.09 | $8,446 | 324,786 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Mar 14, 2024 | Mar 18, 2024 | F | 993 | $8.09 | $8,033 | 513,417.17 | No | Form 4 |
| Krantz Jason RonaldINTERIM CEO | Feb 16, 2024 | Feb 20, 2024 | F | 5,419 | $9.99 | $54,136 | 905,458 | No | Form 4 |
| Krantz Jason RonaldINTERIM CEO | Feb 14, 2024 | Feb 20, 2024 | A | 417,752 | $0.00 | $0 | 910,877 | No | Form 4 |
| Maack JonathanPRESIDENT | Feb 14, 2024 | Feb 16, 2024 | A | 214,995 | $0.00 | $0 | 709,671 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Feb 14, 2024 | Feb 16, 2024 | A | 232,911 | $0.00 | $0 | 514,410.17 | No | Form 4 |
| Lazorchak CarrieCHIEF REVENUE OFFICER | Feb 14, 2024 | Feb 16, 2024 | A | 35,833 | $0.00 | $0 | 421,528 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF PRODUCT OFFICER | Feb 14, 2024 | Feb 16, 2024 | A | 121,831 | $0.00 | $0 | 325,830 | No | Form 4 |
| Maack JonathanPRESIDENT | Feb 3, 2024 | Feb 6, 2024 | F | 10,740 | $8.61 | $92,471 | 494,676 | No | Form 4 |
| Krantz Jason RonaldINTERIM CEO | Feb 1, 2024 | Feb 5, 2024 | F | 20,069 | $8.59 | $172,393 | 493,125 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF PRODUCT OFFICER | Feb 1, 2024 | Feb 5, 2024 | F | 10,121 | $8.59 | $86,939 | 203,999 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Feb 1, 2024 | Feb 5, 2024 | F | 14,301 | $8.59 | $122,846 | 281,499.17 | No | Form 4 |
| Krantz Jason Ronald | Jan 24, 2024 | Jan 26, 2024 | A | 110,846 | $0.00 | $0 | 524,950 | No | Form 4 |
| Krantz Jason Ronald | Jan 24, 2024 | Jan 26, 2024 | F | 11,756 | $9.26 | $108,861 | 513,194 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Jan 24, 2024 | Jan 26, 2024 | A | 49,014 | $0.00 | $0 | 301,392.17 | No | Form 4 |
| Booth Richard DouglasCHIEF FINANCIAL OFFICER | Jan 24, 2024 | Jan 26, 2024 | F | 5,592 | $9.26 | $51,782 | 295,800.17 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF PRODUCT OFFICER | Jan 24, 2024 | Jan 26, 2024 | A | 33,933 | $0.00 | $0 | 218,039 | No | Form 4 |
| Shamsuddin Kate MarieCHIEF PRODUCT OFFICER | Jan 24, 2024 | Jan 26, 2024 | F | 3,919 | $9.26 | $36,290 | 214,120 | No | Form 4 |
| Musslewhite Robert WChief Executive Officer | Jan 7, 2024 | Jan 9, 2024 | F | 14,207 | $9.00 | $127,863 | 1,201,638 | No | Form 4 |
| Booth Richard DouglasChief Financial Officer | Dec 14, 2023 | Dec 18, 2023 | F | 993 | $9.03 | $8,967 | 252,378.17 | No | Form 4 |
| Shamsuddin Kate MarieChief Product Officer | Dec 14, 2023 | Dec 18, 2023 | F | 1,044 | $9.03 | $9,427 | 184,106 | No | Form 4 |
| Krantz Jason Ronald | Dec 14, 2023 | Dec 18, 2023 | F | 2,649 | $9.03 | $23,920 | 414,104 | No | Form 4 |
| Musslewhite Robert WChief Executive Officer | Nov 4, 2023 | Nov 7, 2023 | F | 12,656 | $7.27 | $92,009 | 1,215,845 | No | Form 4 |
| Maack JonathanPresident | Nov 3, 2023 | Nov 7, 2023 | F | 40,887 | $7.27 | $297,248 | 505,416 | No | Form 4 |
| Lazorchak CarrieChief Revenue Officer | Nov 1, 2023 | Nov 3, 2023 | A | 385,695 | $0.00 | $0 | 385,695 | No | Form 4 |
| Musslewhite Robert WChief Executive Officer | Oct 7, 2023 | Oct 10, 2023 | F | 20,016 | $7.20 | $144,115 | 1,228,501 | No | Form 4 |