GeneDx Holdings Corp.
WGS- Exchange
- Nasdaq
- Industry
- Services-Health Services
- SEC CIK
- 0001818331
In the last 90 days, GeneDx Holdings Corp. insiders filed 0 open-market purchases and 5 sales; 223 institutions reported holding it in 13F filings for Q2 2026, worth $2.17B in total; ARK Invest is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by GeneDx Holdings Corp. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 5 filings
- 2 insiders, $1.84M in total
- Insiders trading
- 2
- Net value
- −$1.84M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for GeneDx Holdings Corp., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Stueland Katherine | CHIEF EXECUTIVE OFFICER | 115,476 | Sep 18, 2026 | 15 |
| Feeley Kevin | CHIEF FINANCIAL OFFICER | 44,945 | Sep 18, 2026 | 19 |
| Fuchs Thomas | Director | 1,146 | Sep 18, 2026 | 2 |
| Gardner Mark A | President | – | Jul 1, 2026 | 1 |
| Ruch Joshua | Director | 33,299 | Jun 23, 2026 | 2 |
| Pfenniger Richard C Jr | Director | 45,082 | Jun 23, 2026 | 1 |
| Meister Keith A. | Director, 10% Owner | 23,705 | Jun 23, 2026 | 5 |
| Casdin Eli | Director, 10% Owner | 24,093 | Jun 23, 2026 | 4 |
| Ryan Jason | Director | 15,480 | Jun 23, 2026 | 1 |
| Leproust Emily M. | Director | 24,852 | Jun 23, 2026 | 1 |
| Casdin Partners GP, LLC | Director, 10% Owner | 3,707,164Indirect | Jun 8, 2026 | 3 |
| Casdin Capital, LLC | Director, 10% Owner | 3,707,164Indirect | Jun 8, 2026 | 3 |
| Casdin Partners Master Fund, L.P. | Director, 10% Owner | 3,707,164Indirect | Jun 8, 2026 | 3 |
| Corvex Management LP | Director, 10% Owner | 4,784,570Indirect | May 15, 2026 | 4 |
| Dechairo Bryan | Chief Operating Officer | 0 | Mar 5, 2026 | 3 |
| Mount Sinai Health System, Inc. | 10% Owner | 2,719,692 | Nov 19, 2024 | 0 |
| Icahn School Of Medicine At Mount Sinai | 10% Owner | 2,719,692 | Nov 19, 2024 | 0 |
| Opko Health, Inc. | 10% Owner | 2,646,972 | Aug 19, 2024 | 0 |
| Casdin Partners FO1-MSV, LP | Director | 3,093,509 | Jun 5, 2024 | 0 |
| Saad Kareem | CHIEF TRANSFORMATION OFFICER | 29,517 | Mar 19, 2024 | 0 |
| White Karen Ann | Chief People Officer | 4,761 | Jul 27, 2023 | 0 |
| Ro Isaac | Former CFO | 206,886 | May 31, 2023 | 0 |
| Assad Shawn | Other: Former CAO | 43,040 | May 31, 2023 | 0 |
| Prentice Anthony | Other: Former Chief Product Officer | 12,608 | May 22, 2023 | 0 |
| Sherman Rachel E. | Director | 58,290 | May 4, 2023 | 0 |
| Clark Daniel Emmett | Other: Former Secretary and GC | 312,345 | May 4, 2023 | 0 |
| Miao Richard | Other: Former Interim CFO | 23,291 | Apr 28, 2023 | 0 |
| Pellini Michael J | Director | 17,114 | Oct 18, 2022 | 0 |
| Schadt Eric | President & Chief R&D Officer | 243,380 | May 24, 2022 | 0 |
| Turner Nat | Director | 37,836 | May 12, 2022 | 0 |
| Schwarzman Stephen A | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Inc. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Group Management L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Holdings I L.P. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Holdings I/II GP L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Holdings II L.P. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Alternative Solutions L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Bto De GP - NQ L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Tactical Opportunities Associates III - NQ L.P. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Aqua Master Sub-Fund, a sub-fund of Blackstone Global Master Fund ICAV | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Holdings III L.P. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Holdings III GP L.P. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Holdings III GP Management L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Btoa L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Tactical Opportunities Associates L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| BTO Holdings Manager L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| BTO Side-by-Side GP L.L.C. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Family Tactical Opportunities Investment Partnership III ESC L.P. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| Blackstone Tactical Opportunities Fund - FD L.P. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
| BTO Sema4 Holdings L.P. | 10% Owner | 162,309Indirect | May 3, 2022 | 0 |
Showing the 50 most recent filers.
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 12, 2023 (view filing) | Dec 11 | 1 day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −908 | $1.61 | −$1.46K | −4.6%18.8K after | |
| Dec 12, 2023 (view filing) | Dec 11 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −850 | $1.61 | −$1.37K | −4.0%20.5K after | |
| Dec 12, 2023 (view filing) | Dec 11 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −3.67K | $1.61 | −$5.91K | −7.5%45.6K after | |
| Dec 19, 2023 (view filing) | Dec 18 | 1 day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −2.95K | $2.16 | −$6.37K | −11.3%23.0K after | |
| Dec 19, 2023 (view filing) | Dec 18 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −1.70K | $2.16 | −$3.67K | −6.6%23.9K after | |
| Dec 19, 2023 (view filing) | Dec 18 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −11.7K | $2.16 | −$25.3K | −18.2%52.6K after | |
| Jan 4, 2024 (view filing) | Jan 3 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −105 | $2.58 | −$270.9 | −0.4%24.1K after | |
| Jan 23, 2024 (view filing) | Jan 22 | 1 day | Saad KareemCHIEF TRANSFORMATION OFFICER | SSaleClass A Common Stock | −193 | $3.24 | −$625.32 | −0.8%24.5K after | |
| Mar 5, 2024 (view filing) | Mar 4 | 1 day | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −301 | $8.57 | −$2.58K | −1.3%23.5K after | |
| Mar 6, 2024 (view filing)7:32 PM ET | Mar 4-5 | 2 days | Casdin Partners GP, LLC and 4 othersDirector, 10% Owner | PPurchaseClass A Common Stock | +40.9K | $8.74 | +$357.7K | +1.5%2.70M after | 2 lots |
| Mar 13, 2024 (view filing) | Mar 12 | 1 day | Saad KareemCHIEF TRANSFORMATION OFFICER | SSaleClass A Common Stock | −897 | $9.21 | −$8.26K | −3.3%26.4K after | |
| Mar 13, 2024 (view filing) | Mar 12 | 1 day | Stueland KatherineCHIEF EXECUTIVE OFFICER | SSaleClass A Common Stock | −2.62K | $9.21 | −$24.1K | −4.4%56.5K after | |
| Mar 13, 2024 (view filing) | Mar 12 | 1 day | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −931 | $9.21 | −$8.57K | −3.6%25.0K after | |
| Mar 19, 2024 (view filing) | Mar 18 | 1 day | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −3.25K | $10.59 | −$34.4K | −10.1%28.9K after | |
| Mar 19, 2024 (view filing) | Mar 18 | 1 day | Saad KareemCHIEF TRANSFORMATION OFFICER | SSaleClass A Common Stock | −2.01K | $10.59 | −$21.3K | −6.4%29.5K after | |
| Mar 19, 2024 (view filing) | Mar 18 | 1 day | Stueland KatherineCHIEF EXECUTIVE OFFICER | SSaleClass A Common Stock | −8.56K | $10.59 | −$90.6K | −11.4%66.7K after | |
| Apr 30, 2024 (view filing) | Apr 29 | 1 day | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −1.10K | $11.04 | −$12.2K | −3.5%30.8K after | |
| Apr 30, 2024 (view filing) | Apr 29 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −6.33K | $11.04 | −$69.8K | −7.7%75.9K after | |
| May 15, 2024 (view filing)6:16 PM ET | May 13 | 2 days | Casdin Partners GP, LLC and 4 othersDirector, 10% Owner | PPurchaseClass A Common Stock | +50.0K | $23.31 | +$1.17M | +1.8%2.75M after | |
| May 28, 2024 (view filing)8:40 PM ET | May 23-28 | 5 days | Casdin Partners GP, LLC and 4 othersDirector, 10% Owner | PPurchaseClass A Common Stock | +170.0K | $20.15 | +$3.42M | +6.2%2.92M after | 3 lots |
| May 31, 2024 (view filing)5:37 PM ET | May 29 | 2 days | Casdin Partners GP, LLC and 4 othersDirector, 10% Owner | PPurchaseClass A Common Stock | +40.0K | $21.07 | +$842.6K | +1.4%2.96M after | |
| Jun 4, 2024 (view filing) | Jun 3 | 1 day | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −262 | $20.55 | −$5.38K | −0.8%31.3K after | |
| Jun 5, 2024 (view filing)8:45 PM ET | Jun 3-4 | 2 days | Casdin Partners GP, LLC and 4 othersDirector, 10% Owner | PPurchaseClass A Common Stock | +130.0K | $21.21 | +$2.76M | +4.4%3.09M after | 2 lots |
| Jun 11, 2024 (view filing) | Jun 10 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −2.65K | $24.92 | −$66.1K | −3.2%79.8K after | |
| Jun 11, 2024 (view filing) | Jun 10 | 1 day | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −895 | $24.92 | −$22.3K | −2.7%32.9K after | |
| Jun 18, 2024 (view filing) | Jun 17 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −7.68K | $28.31 | −$217.5K | −7.8%90.8K after | |
| Jun 18, 2024 (view filing) | Jun 17 | 1 day | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −2.65K | $28.31 | −$74.9K | −6.6%37.4K after | |
| Jul 3, 2024 (view filing) | Jul 1-3 | 2 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −89.1K | $27.58 | −$2.46M | −2.5%3.47M after | 3 lots10b5-1 |
| Jul 9, 2024 (view filing) | Jul 5 | 4 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −36.1K | $28.24 | −$1.02M | −1.0%3.43M after | |
| Jul 19, 2024 (view filing) | Jul 17 | 2 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −25.0K | $32.93 | −$823.3K | −0.7%3.41M after | |
| Jul 23, 2024 (view filing) | Jul 19-23 | 4 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −150.0K | $32.98 | −$4.95M | −4.4%3.26M after | 3 lots |
| Jul 26, 2024 (view filing) | Jul 24-26 | 2 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −135.0K | $33.78 | −$4.56M | −4.1%3.12M after | 2 lots |
| Jul 31, 2024 (view filing) | Jul 29 | 2 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −50.0K | $33.86 | −$1.69M | −1.6%3.07M after | |
| Jul 31, 2024 (view filing) | Jul 29 | 2 days | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −274 | $33.54 | −$9.19K | −0.7%37.9K after | |
| Jul 31, 2024 (view filing) | Jul 29 | 2 days | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −2.15K | $33.54 | −$72.2K | −2.3%92.5K after | |
| Aug 2, 2024 (view filing) | Jul 31 | 2 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −88.8K | $33.50 | −$2.98M | −2.9%2.98M after | |
| Aug 8, 2024 (view filing) | Aug 6-8 | 2 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −113.0K | $31.54 | −$3.56M | −3.8%2.87M after | 2 lots |
| Aug 14, 2024 (view filing) | Aug 12-13 | 2 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −84.8K | $34.19 | −$2.90M | −3.0%2.79M after | 2 lots |
| Aug 19, 2024 (view filing) | Aug 15-19 | 4 days | Opko Health, Inc.10% Owner | SSaleClass A Common Stock | −139.8K | $34.02 | −$4.76M | −5.0%2.65M after | 3 lots |
| Sep 4, 2024 (view filing) | Sep 3 | 1 day | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −262 | $31.71 | −$8.31K | −0.7%38.3K after | |
| Sep 11, 2024 (view filing) | Sep 9 | 2 days | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −3.64K | $33.33 | −$121.3K | −3.7%95.5K after | |
| Sep 11, 2024 (view filing) | Sep 9 | 2 days | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −895 | $33.33 | −$29.8K | −2.2%39.9K after | |
| Sep 18, 2024 (view filing) | Sep 16 | 2 days | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −2.63K | $37.59 | −$99.0K | −5.6%44.5K after | |
| Sep 18, 2024 (view filing) | Sep 16 | 2 days | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −10.5K | $37.59 | −$394.7K | −9.2%103.7K after | |
| Oct 31, 2024 (view filing) | Oct 29 | 2 days | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −2.15K | $66.60 | −$143.5K | −2.0%105.4K after | |
| Oct 31, 2024 (view filing) | Oct 29 | 2 days | Feeley KevinCHIEF FINANCIAL OFFICER | SSaleClass A Common Stock | −274 | $66.60 | −$18.2K | −0.6%45.0K after | |
| Nov 4, 2024 (view filing)5:01 PM ET | Oct 31 | 4 days | Mount Sinai Health System, Inc. and 1 other10% Owner | SSaleClass A Common Stock | −865.8K | $75.00 | −$64.9M | −23.2%2.87M after | |
| Nov 19, 2024 (view filing) | Nov 15-18 | 4 days | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −45.4K | $70.41 | −$3.20M | −43.1%60.0K after | 13 lots10b5-1 |
| Nov 19, 2024 (view filing)8:00 PM ET | Nov 15-18 | 4 days | Mount Sinai Health System, Inc. and 1 other10% Owner | SSaleClass A Common Stock | −147.1K | $70.64 | −$10.4M | −5.1%2.72M after | 2 lots |
| Nov 21, 2024 (view filing) | Nov 19-20 | 2 days | Ryan JasonDirector | SSaleClass A Common Stock | −47.0K | $70.57 | −$3.32M | −100.0%0 after | 6 lots |