List of insiders holdings for GeneDx Holdings Corp.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time |
Shares Owned Directly Indirectly |
Total Shares Owned |
Filing |
| 1 | BTO Sema4 Holdings L.P. BTO Holdings Manager L.L.C. Blackstone Tactical Opportunities Associates L.L.C. BTOA L.L.C. Blackstone Family Tactical Opportunities Investment Partnership III ESC L.P. BTO Side-by-Side GP L.L.C. Blackstone Holdings III L.P. Blackstone Holdings III GP L.P. Blackstone Holdings III GP Management L.L.C. Blackstone Tactical Opportunities Fund - FD L.P. 10% Owner |
2023-02-03 14:56:01 | 27,802,368 0 |
27,802,368 | Form 13D |
| 2 | Casdin Capital LLC Casdin Partners Master Fund L.P. Casdin Partners GP LLC Casdin Eli Director 10% Owner |
2024-08-05 17:32:04 | 3,923,961 352,391 |
4,276,352 | Form 4 |
| 3 | CMLS Holdings LLC C-LSH LLC M-LSH LLC Casdin Eli Meister Keith A. 10% Owner |
2025-05-07 16:01:29 | 4,096,095 0 |
4,096,095 | Form 13D |
| 4 | Casdin Eli Director 10% Owner |
2025-06-23 17:50:55 | 24,094 3,859,555 |
3,883,649 | Form 4 |
| 5 | Casdin Capital LLC Casdin Eli Casdin Partners Master Fund L.P. Casdin Partners GP LLC Casdin Partners FO1-MSV LP Director 10% Owner |
2024-06-05 20:45:06 | 3,096,651 766,046 |
3,862,697 | Form 4 |
| 6 | Meister Keith A. Director 10% Owner |
2025-06-23 17:50:16 | 23,705 3,674,913 |
3,698,618 | Form 4 |
| 7 | Meister Keith A. Corvex Management LP Director 10% Owner |
2025-05-16 16:00:06 | 7,205 3,391,773 |
3,398,978 | Form 4 |
| 8 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI MOUNT SINAI HEALTH SYSTEM INC. 10% Owner |
2025-02-21 16:30:14 | 1,373,569 0 |
1,373,569 | Form 13D |
| 9 | OPKO HEALTH INC. 10% Owner |
2024-11-20 21:36:13 | 1,370,841 0 |
1,370,841 | Form 13D |
| 10 | Clark Daniel Emmett Former Secretary and GC |
2023-05-04 20:43:01 | 372,432 0 |
372,432 | Form 4 |
| 11 | Ro Isaac Former CFO |
2023-05-31 16:19:39 | 317,840 0 |
317,840 | Form 4 |
| 12 | Blackstone Tactical Opportunities Associates III - NQ L.P. BTO DE GP - NQ L.L.C. Blackstone Holdings II L.P. Blackstone Aqua Master Sub-Fund a sub-fund of Blackstone Global Master Fund ICAV Blackstone Alternative Solutions L.L.C. Blackstone Holdings I L.P. Blackstone Holdings I/II GP L.L.C. Blackstone Inc. Blackstone Group Management L.L.C. SCHWARZMAN STEPHEN A 10% Owner |
2022-05-03 20:28:54 | 0 262,309 |
262,309 | Form 4 |
| 13 | Coffin James President and COO |
2021-12-13 19:09:08 | 259,804 0 |
259,804 | Form 4 |
| 14 | Schadt Eric President & Chief R&D Officer |
2022-05-24 20:35:00 | 243,380 0 |
243,380 | Form 4 |
| 15 | Assad Shawn Former CAO |
2023-05-31 16:17:37 | 235,174 0 |
235,174 | Form 4 |
| 16 | RUCH JOSHUA Director |
2025-06-23 17:44:21 | 33,299 194,267 |
227,566 | Form 4 |
| 17 | Ryan Jason Director |
2025-06-23 17:48:46 | 16,630 141,356 |
157,986 | Form 4 |
| 18 | Miao Richard Former Interim CFO |
2023-04-28 17:12:23 | 100,388 0 |
100,388 | Form 4 |
| 19 | Saad Kareem CHIEF TRANSFORMATION OFFICER |
2024-03-19 16:14:53 | 90,879 0 |
90,879 | Form 4 |
| 20 | Prentice Anthony Former Chief Product Officer |
2023-05-22 17:03:17 | 81,250 0 |
81,250 | Form 4 |
| 21 | Charney Dennis Director |
2021-10-19 19:17:47 | 70,244 0 |
70,244 | Form 4 |
| 22 | Sherman Rachel E. Director |
2023-05-04 16:15:48 | 58,290 0 |
58,290 | Form 4 |
| 23 | PFENNIGER RICHARD C JR Director |
2025-06-23 17:45:07 | 45,082 0 |
45,082 | Form 4 |
| 24 | Turner Nat Director |
2022-05-12 20:25:23 | 37,836 0 |
37,836 | Form 4 |
| 25 | Dechairo Bryan Chief Operating Officer |
2025-01-16 17:07:17 | 37,497 0 |
37,497 | Form 4 |
| 26 | Pellini Michael J Director |
2022-10-18 18:37:19 | 25,672 0 |
25,672 | Form 4 |
| 27 | Islam Munib Director |
2020-09-01 15:38:20 | 25,000 0 |
25,000 | Form 3 |
| 28 | Leproust Emily M. Director |
2025-06-23 17:45:55 | 24,852 0 |
24,852 | Form 4 |
| 29 | Stueland Katherine Chief Executive Officer |
2025-07-31 16:04:37 | 15,062 0 |
15,062 | Form 4 |
| 30 | Feeley Kevin CHIEF FINANCIAL OFFICER |
2025-07-31 16:06:11 | 6,018 0 |
6,018 | Form 4 |
| 31 | White Karen Ann Chief People Officer |
2023-07-27 16:12:15 | 5,852 0 |
5,852 | Form 4 |
| 32 | George Sean E Director |
2020-09-01 15:47:08 | 0 0 |
0 | Form 3 |
| 33 | Rodriguez Shaun Chief Strategy Officer |
2020-09-01 15:42:03 | 0 0 |
0 | Form 3 |
| 34 | Emes Brian CFO and Secretary |
2020-09-01 15:34:08 | 0 0 |
0 | Form 3 |