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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan 31, 2023 (view filing)8:01 PM ET | Jan 26 | 5 daysLate | Opko Health, Inc.10% Owner | PPurchaseClass A Common Stock | +14.3M | $0.35 | +$5.00M | +17.9%94.3M after | |
| Feb 2, 2023 (view filing)4:05 PM ET | Jan 31 | 2 days | Casdin EliDirector, 10% Owner | PPurchaseClass A Common Stock | +85.7M | $0.35 | +$30.0M | New position14.3M after | 2 lots |
| Feb 2, 2023 (view filing)6:35 PM ET | Jan 31 | 2 days | Mount Sinai Health System, Inc. and 1 other10% Owner | PPurchaseClass A Common Stock | +28.6M | $0.35 | +$10.0M | +30.2%123.2M after | |
| Mar 3, 2023 (view filing)5:43 PM ET | Mar 2 | 1 day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −10.4K | $0.4484 | −$4.66K | −26.7%28.5K after | |
| Mar 13, 2023 (view filing)7:25 PM ET | Mar 10 | 3 days | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −31.9K | $0.3598 | −$11.5K | −29.0%77.9K after | |
| Mar 13, 2023 (view filing)7:26 PM ET | Mar 10 | 3 days | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −35.2K | $0.3598 | −$12.7K | −16.5%178.4K after | |
| Mar 13, 2023 (view filing)7:26 PM ET | Mar 10 | 3 days | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −92.6K | $0.3598 | −$33.3K | −23.1%308.6K after | |
| Mar 13, 2023 (view filing)7:27 PM ET | Mar 10 | 3 days | White Karen AnnChief People Officer | SSaleClass A Common Stock | −32.8K | $0.3598 | −$11.8K | −38.6%52.2K after | |
| Apr 4, 2023 (view filing)7:15 PM ET | Apr 3 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −2.78K | $0.3391 | −$941.34 | −1.5%184.7K after | |
| Apr 4, 2023 (view filing)7:16 PM ET | Apr 3 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.73K | $0.3391 | −$586.98 | −3.1%53.7K after | |
| Apr 21, 2023 (view filing)4:37 PM ET | Apr 20 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −5.34K | $0.3107 | −$1.66K | −2.6%197.3K after | |
| Apr 27, 2023 (view filing)5:28 PM ET | Apr 26 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −2.02K | $0.289 | −$582.34 | −3.5%56.2K after | |
| Apr 28, 2023 (view filing) | Jul 5, 2022 | 297 daysLate | Miao RichardOther: Former Interim CFO | SSaleClass A Common Stock | −2.19K | $1.32 | −$2.89K | −8.6%23.3K after | |
| Apr 28, 2023 (view filing) | Jul 5, 2022 | 297 daysLate | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.02K | $1.32 | −$1.35K | −8.0%11.8K after | |
| Apr 28, 2023 (view filing) | Jul 5, 2022 | 297 daysLate | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −2.61K | $1.32 | −$3.45K | −3.6%70.7K after | |
| May 4, 2023 (view filing) | Jul 5, 2022 | 303 daysLate | Clark Daniel EmmettOther: Former Secretary and GC | SSaleClass A Common Stock | −1.21K | $1.32 | −$1.59K | −0.4%312.3K after | |
| May 18, 2023 (view filing) | May 16 | 2 days | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −8.69K | $6.50 | −$56.5K | −35.0%16.2K after | |
| May 18, 2023 (view filing) | May 16 | 2 days | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −1.52K | $6.50 | −$9.85K | −28.2%3.86K after | |
| May 22, 2023 (view filing) | May 18 | 4 days | Pfenniger Richard C JrDirector | PPurchaseClass A Common Stock | +5.00K | $5.90 | +$29.5K | +544.7%5.92K after | |
| May 22, 2023 (view filing) | Jul 5, 2022 | 321 daysLate | Prentice AnthonyOther: Former Chief Product Officer | SSaleClass A Common Stock | −1.83K | $1.32 | −$2.41K | −12.7%12.6K after | |
| May 31, 2023 (view filing) | Jul 5-Aug 12, 2022 | 330 daysLate | Assad ShawnOther: Former CAO | SSaleClass A Common Stock | −4.66K | $1.90 | −$8.85K | −9.8%43.0K after | 2 lots |
| May 31, 2023 (view filing) | Jul 5, 2022 | 330 daysLate | Ro IsaacFormer CFO | SSaleClass A Common Stock | −2.30K | $1.32 | −$3.03K | −1.1%206.9K after | |
| Jun 5, 2023 (view filing) | Jun 2 | 3 days | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −263 | $7.00 | −$1.84K | −5.7%4.31K after | |
| Jun 13, 2023 (view filing) | Jun 13 | Same day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −903 | $6.49 | −$5.86K | −13.3%5.87K after | |
| Jun 13, 2023 (view filing) | Jun 12 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −845 | $6.49 | −$5.48K | −9.6%7.98K after | |
| Jun 13, 2023 (view filing) | Jun 12 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −2.67K | $6.49 | −$17.4K | −11.8%20.0K after | |
| Jun 13, 2023 (view filing) | Jun 12 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −828 | $6.49 | −$5.37K | −23.0%2.77K after | |
| Jun 21, 2023 (view filing) | Jun 20 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −1.22K | $6.37 | −$7.77K | −9.3%11.9K after | 2 lots |
| Jun 21, 2023 (view filing) | Jun 20 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −1.55K | $6.37 | −$9.86K | −25.1%4.63K after | 2 lots |
| Jun 21, 2023 (view filing) | Jun 20 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −7.96K | $6.37 | −$50.7K | −20.5%30.8K after | 2 lots |
| Jun 21, 2023 (view filing) | Jun 20 | 1 day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −2.74K | $6.37 | −$17.5K | −21.0%10.3K after | 2 lots |
| Jul 5, 2023 (view filing) | Jul 3 | 2 days | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −83 | $5.99 | −$497.17 | −0.7%12.1K after | |
| Jul 5, 2023 (view filing) | Jul 3 | 2 days | White Karen AnnChief People Officer | SSaleClass A Common Stock | −45 | $5.99 | −$269.55 | −1.0%4.68K after | |
| Jul 21, 2023 (view filing) | Jul 20 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −163 | $7.85 | −$1.28K | −1.3%12.4K after | |
| Jul 27, 2023 (view filing) | Jul 26 | 1 day | White Karen AnnChief People Officer | SSaleClass A Common Stock | −61 | $7.41 | −$452.01 | −1.3%4.76K after | |
| Aug 18, 2023 (view filing) | Aug 17 | 1 day | Pfenniger Richard C JrDirector | PPurchaseClass A Common Stock | +5.00K | $5.10 | +$25.5K | +84.5%10.9K after | |
| Sep 6, 2023 (view filing) | Sep 5 | 1 day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −269 | $4.38 | −$1.18K | −2.4%10.8K after | |
| Sep 12, 2023 (view filing) | Sep 11 | 1 day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −904 | $4.62 | −$4.18K | −6.8%12.3K after | |
| Sep 12, 2023 (view filing) | Sep 11 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −846 | $4.62 | −$3.91K | −5.5%14.4K after | |
| Sep 12, 2023 (view filing) | Sep 11 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −2.67K | $4.62 | −$12.4K | −7.2%34.7K after | |
| Sep 19, 2023 (view filing) | Sep 18 | 1 day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −2.74K | $4.16 | −$11.4K | −14.0%16.8K after | |
| Sep 19, 2023 (view filing) | Sep 18 | 1 day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −1.58K | $4.16 | −$6.57K | −8.1%18.0K after | |
| Sep 19, 2023 (view filing) | Sep 18 | 1 day | Stueland KatherineChief Executive Officer | SSaleClass A Common Stock | −10.8K | $4.16 | −$44.7K | −20.1%42.7K after | |
| Oct 3, 2023 (view filing) | Oct 3 | Same day | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −85 | $3.56 | −$302.6 | −0.5%18.2K after | |
| Oct 18, 2023 (view filing) | Oct 17 | 1 day | Ryan JasonExecutive Chairman | SSaleClass A Common Stock | −42 | $3.19 | −$133.98 | −0.7%5.83K after | |
| Oct 23, 2023 (view filing) | Oct 20 | 3 days | Saad KareemChief Transformation Officer | SSaleClass A Common Stock | −164 | $3.44 | −$564.16 | −0.9%18.5K after | |
| Nov 8, 2023 (view filing) | Nov 8 | Same day | Pfenniger Richard C JrDirector | PPurchaseClass A Common Stock | +10.0K | $1.49 | +$14.9K | +91.6%20.9K after | |
| Nov 17, 2023 (view filing)4:18 PM ET | Nov 15 | 2 days | Meister Keith A. and 1 otherDirector, 10% Owner | SSaleClass A Common Stock | −883.7K | $1.29 | −$1.14M | −22.7%3.01M after | From original |
| Nov 20, 2023 (view filing) | Nov 16-17 | 4 days | Ryan JasonExecutive Chairman | PPurchaseClass A Common Stock | +114.7K | $1.41 | +$161.4K | New position114.7K after | 2 lots |
| Dec 5, 2023 (view filing) | Dec 4 | 1 day | Feeley KevinChief Financial Officer | SSaleClass A Common Stock | −270 | $1.77 | −$477.9 | −1.5%17.2K after |