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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov 2, 2021 (view filing) | Oct 25 | 8 daysLate | Clark Daniel EmmettSecretary and General Counsel | SSaleClass A Common Stock | −1.26K | $7.54 | −$9.47K | −31.9%2.68K after | |
| Nov 2, 2021 (view filing) | Oct 25 | 8 daysLate | Schadt EricChief Executive Officer | SSaleClass A Common Stock | −33.3K | $7.54 | −$251.3K | −42.3%45.5K after | |
| Nov 2, 2021 (view filing) | Oct 25 | 8 daysLate | Ro IsaacChief Financial Officer | SSaleClass A Common Stock | −40.8K | $7.54 | −$308.0K | −32.7%84.2K after | |
| Nov 2, 2021 (view filing) | Oct 25 | 8 daysLate | Coffin JamesPresident and COO | SSaleClass A Common Stock | −5.75K | $7.54 | −$43.4K | −25.5%16.8K after | |
| Nov 2, 2021 (view filing) | Oct 25 | 8 daysLate | Saad KareemChief Business Officer | SSaleClass A Common Stock | −16.6K | $7.54 | −$125.2K | −30.7%37.4K after | |
| Nov 2, 2021 (view filing) | Oct 25 | 8 daysLate | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.48K | $7.54 | −$11.2K | −32.9%3.02K after | |
| Nov 2, 2021 (view filing) | Oct 25 | 8 daysLate | Prentice AnthonyChief Product Officer | SSaleClass A Common Stock | −1.62K | $8.09 | −$13.1K | −41.1%2.32K after | |
| Nov 10, 2021 (view filing) | Nov 8 | 2 days | Ro IsaacChief Financial Officer | SSaleClass A Common Stock | −19.5K | $8.49 | −$165.7K | −13.3%127.1K after | |
| Nov 15, 2021 (view filing) | Nov 10 | 5 days | Assad ShawnChief Accounting Officer | SSaleClass A Common Stock | −3.11K | $7.87 | −$24.5K | −14.9%17.8K after | |
| Dec 1, 2021 (view filing) | Nov 29 | 2 days | Ro IsaacChief Financial Officer | SSaleClass A Common Stock | −12.1K | $6.63 | −$80.3K | −9.5%115.0K after | |
| Feb 2, 2022 (view filing) | Jan 28 | 5 daysLate | Clark Daniel EmmettSecretary and General Counsel | SSaleClass A Common Stock | −1.51K | $2.84 | −$4.29K | −0.5%306.8K after | |
| Feb 2, 2022 (view filing) | Jan 28 | 5 daysLate | Schadt EricChief Executive Officer | SSaleClass A Common Stock | −29.1K | $2.84 | −$82.6K | −22.5%100.5K after | |
| Feb 2, 2022 (view filing) | Jan 28 | 5 daysLate | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.78K | $2.84 | −$5.04K | −21.6%6.43K after | |
| Feb 2, 2022 (view filing) | Jan 28 | 5 daysLate | Saad KareemChief Business Officer | SSaleClass A Common Stock | −6.70K | $2.84 | −$19.0K | −11.3%52.5K after | |
| Feb 2, 2022 (view filing) | Jan 28 | 5 daysLate | Prentice AnthonyChief Product Officer | SSaleClass A Common Stock | −2.02K | $2.84 | −$5.74K | −21.0%7.61K after | |
| Feb 10, 2022 (view filing) | Feb 10 | Same day | Ro IsaacChief Financial Officer | SSaleClass A Common Stock | −21.7K | $3.60 | −$78.2K | −12.2%156.2K after | |
| Feb 14, 2022 (view filing) | Feb 11 | 3 days | Assad ShawnChief Accounting Officer | SSaleClass A Common Stock | −3.65K | $3.64 | −$13.3K | −12.8%24.8K after | |
| Apr 8, 2022 (view filing) | Apr 6 | 2 days | Ro IsaacChief Financial Officer | SSaleClass A Common Stock | −1.28K | $2.91 | −$3.74K | −0.8%158.8K after | |
| Apr 21, 2022 (view filing) | Apr 20 | 1 day | Saad KareemChief Business Officer | SSaleClass A Common Stock | −6.27K | $2.49 | −$15.6K | −8.9%64.3K after | |
| May 2, 2022 (view filing) | Apr 28 | 4 days | Clark Daniel EmmettSecretary and General Counsel | SSaleClass A Common Stock | −1.21K | $2.18 | −$2.64K | −0.4%309.5K after | |
| May 2, 2022 (view filing) | Apr 28 | 4 days | Schadt EricPresident & Chief R&D Officer | SSaleClass A Common Stock | −35.9K | $2.18 | −$78.3K | −20.0%143.4K after | |
| May 2, 2022 (view filing) | Apr 28 | 4 days | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.43K | $2.18 | −$3.12K | −13.1%9.51K after | |
| May 2, 2022 (view filing) | Apr 28 | 4 days | Prentice AnthonyChief Product Officer | SSaleClass A Common Stock | −1.69K | $2.18 | −$3.69K | −14.6%9.86K after | |
| May 3, 2022 (view filing) | Apr 29 | 4 days | Casdin EliDirector | PPurchaseClass A Common Stock | +11.4M | $4.00 | +$45.8M | +228.8%16.4M after | |
| May 3, 2022 (view filing) | Apr 29 | 4 days | Meister Keith A.Director | PPurchaseClass A Common Stock | +11.4M | $4.00 | +$45.8M | +73.8%26.9M after | |
| May 3, 2022 (view filing)8:26 PM ET | Apr 29 | 4 days | Blackstone Holdings III L.P. and 9 others10% Owner | PPurchaseClass A Common Stock | +2.50M | $4.00 | +$10.0M | New position162.3K after | 3 lots |
| May 3, 2022 (view filing)8:28 PM ET | Apr 29 | 4 days | Schwarzman Stephen A and 9 others10% Owner | PPurchaseClass A Common Stock | +2.50M | $4.00 | +$10.0M | New position162.3K after | 3 lotsDuplicate filing |
| May 5, 2022 (view filing)7:27 PM ET | Apr 29 | 6 daysLate | Mount Sinai Health System, Inc. and 1 other10% Owner | PPurchaseClass A Common Stock | +6.25M | $4.00 | +$25.0M | +7.1%94.6M after | |
| May 12, 2022 (view filing) | May 10 | 2 days | Ro IsaacChief Financial Officer | SSaleClass A Common Stock | −19.5K | $2.46 | −$48.0K | −8.8%201.8K after | |
| May 12, 2022 (view filing) | May 11 | 1 day | Assad ShawnChief Accounting Officer | SSaleClass A Common Stock | −3.13K | $1.75 | −$5.47K | −8.9%32.1K after | |
| May 24, 2022 (view filing) | May 20 | 4 days | Schadt EricPresident & Chief R&D Officer | PPurchaseClass A Common Stock | +100.0K | $1.92 | +$192.0K | +69.7%243.4K after | |
| Jul 21, 2022 (view filing) | Jul 20 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −5.31K | $1.60 | −$8.50K | −6.5%77.0K after | |
| Jul 27, 2022 (view filing) | Jul 26 | 1 day | Prentice AnthonyChief Product Officer | SSaleClass A Common Stock | −1.70K | $1.47 | −$2.50K | −12.3%12.1K after | |
| Jul 27, 2022 (view filing) | Jul 26 | 1 day | Clark Daniel EmmettSecretary and General Counsel | SSaleClass A Common Stock | −1.28K | $1.47 | −$1.88K | −0.4%312.2K after | |
| Jul 27, 2022 (view filing) | Jul 26 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −2.07K | $1.47 | −$3.04K | −14.8%11.9K after | |
| Aug 10, 2022 (view filing) | Aug 9 | 1 day | Ro IsaacOther: Former CFO | SSaleClass A Common Stock | −20.2K | $1.99 | −$40.3K | −7.7%244.0K after | |
| Aug 26, 2022 (view filing) | Aug 25 | 1 day | Miao RichardOther: Former Interim CFO | SSaleClass A Common Stock | −3.47K | $1.20 | −$4.17K | −12.3%24.9K after | |
| Oct 4, 2022 (view filing) | Oct 3 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.43K | $0.94 | −$1.34K | −9.4%13.8K after | |
| Oct 4, 2022 (view filing) | Oct 3 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −2.67K | $0.94 | −$2.51K | −3.1%83.3K after | |
| Oct 18, 2022 (view filing) | Oct 17 | 1 day | Ryan JasonExecutive Chairman | SSaleClass A Common Stock | −1.28K | $0.86 | −$1.10K | −7.5%15.8K after | |
| Oct 21, 2022 (view filing) | Oct 20 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −5.41K | $0.89 | −$4.82K | −5.3%95.9K after | |
| Oct 27, 2022 (view filing) | Oct 26 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.99K | $1.02 | −$2.03K | −10.9%16.3K after | |
| Nov 28, 2022 (view filing) | Nov 28 | Same day | Stueland KatherineChief Executive Officer | PPurchaseClass A Common Stock | +185.2K | $0.54 | +$100.0K | New position185.2K after | |
| Dec 5, 2022 (view filing)5:49 PM ET | Dec 1 | 4 days | Meister Keith A.Director | SSaleClass A Common Stock | −6.79M | $0.399 | −$2.71M | −25.2%20.1M after | |
| Dec 5, 2022 (view filing)6:16 PM ET | Dec 2 | 3 days | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −8.46K | $0.397 | −$3.36K | −35.8%15.2K after | |
| Jan 4, 2023 (view filing)7:46 PM ET | Dec 31, 2022 | 4 days | Ryan JasonExecutive Chairman | SSaleClass A Common Stock | −73.7K | $0.2619 | −$19.3K | −28.0%189.6K after | |
| Jan 5, 2023 (view filing)7:28 PM ET | Jan 4 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −3.17K | $0.2625 | −$832.13 | −3.0%101.8K after | |
| Jan 5, 2023 (view filing)7:29 PM ET | Jan 4 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.63K | $0.2625 | −$427.88 | −8.3%17.9K after | |
| Jan 23, 2023 (view filing)5:50 PM ET | Jan 20 | 3 days | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −6.29K | $0.3841 | −$2.42K | −5.3%113.5K after | |
| Jan 27, 2023 (view filing)4:18 PM ET | Jan 26 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −2.24K | $0.3615 | −$810.12 | −10.0%20.2K after |