GeneDx Holdings Corp. (WGS) Insider Trading
Over the last 3 months, WGS insiders made 2 open-market buys and 8 sales, a net purchase of $10.0M (SEC Form 4). Over the last 6 months, 190 institutions increased and 136 reduced their position (13F).
Insider Activity
Sentiment
89/100
Buys (3m)
2
Sells (3m)
8
Net (3m)
$10.0M
Insiders buying
Insider trades by month Buys Sells
Nov
Dec
Feb
Mar
May
Jun
Context3-month price +61%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 1, 2026 | GARDNER MARK Aofficer: President | Grant | 35,441 | — |
| Jun 23, 2026 | Meister Keith A.director, 10 percent owner: | Grant | 4,248 | — |
| Jun 23, 2026 | Meister Keith A.director, 10 percent owner: | Option | 3,576 | — |
| Jun 23, 2026 | Leproust Emily M.director | Option | 3,576 | — |
| Jun 23, 2026 | Casdin Elidirector, 10 percent owner: | Grant | 4,248 | — |
| Jun 23, 2026 | Fuchs Thomasdirector | Grant | 4,248 | — |
| Jun 23, 2026 | PFENNIGER RICHARD C JRdirector | Grant | 4,248 | — |
| Jun 23, 2026 | Casdin Elidirector, 10 percent owner: | Option | 3,576 | — |
| Jun 23, 2026 | Leproust Emily M.director | Grant | 4,248 | — |
| Jun 23, 2026 | PFENNIGER RICHARD C JRdirector | Option | 3,576 | — |
| Jun 23, 2026 | Ryan Jasondirector | Option | 3,576 | — |
| Jun 23, 2026 | RUCH JOSHUAdirector | Option | 3,576 | — |
| Jun 23, 2026 | RUCH JOSHUAdirector | Grant | 4,248 | — |
| Jun 18, 2026 | Feeley Kevinofficer: CHIEF FINANCIAL OFFICER | Sell | 863 | $61.50 |
| Jun 18, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Option | 18,750 | — |
| Jun 18, 2026 | Feeley Kevinofficer: CHIEF FINANCIAL OFFICER | Option | 7,197 | — |
| Jun 18, 2026 | Feeley Kevinofficer: CHIEF FINANCIAL OFFICER | Sell | 760 | $59.75 |
| Jun 18, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Sell | 2,429 | $61.50 |
| Jun 18, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Sell | 2,140 | $59.75 |
| Jun 18, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Sell | 5,932 | $60.83 |
| Jun 18, 2026 | Feeley Kevinofficer: CHIEF FINANCIAL OFFICER | Sell | 2,106 | $60.83 |
| Jun 11, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Sell | 3,639 | $53.77 |
| Jun 11, 2026 | Feeley Kevinofficer: CHIEF FINANCIAL OFFICER | Option | 2,462 | — |
| Jun 11, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Option | 6,546 | — |
| Jun 11, 2026 | Feeley Kevinofficer: CHIEF FINANCIAL OFFICER | Sell | 1,266 | $53.77 |
| Jun 8, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 150,000 | $56.44 |
| Jun 8, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 50,000 | $52.86 |
| May 20, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 140,000 | $43.81 |
| May 20, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 185,000 | $42.60 |
| May 20, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 175,000 | $42.55 |
Source: WGS SEC Form 4 filings, latest Jul 1, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their WGS positions over the last 6 months (SEC Form 13F).
Increased
190
New positions
97
Reduced
136
Sold out
74
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| Corvex Management LP | Increased | 4.8M | Aug 14, 2026 |
| Casdin Capital, LLC | Increased | 3.7M | Aug 14, 2026 |
| CORVEX MANAGEMENT LP | Increased | 3.2M | May 15, 2026 |
| CASDIN CAPITAL, LLC | Unchanged | 3.0M | May 15, 2026 |
| BlackRock, Inc. | Increased | 1.7M | Aug 7, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 1.7M | Aug 14, 2026 |
| ARK Investment Management LLC | Increased | 1.6M | Aug 14, 2026 |
| BLACKROCK, INC. | Reduced | 1.6M | May 13, 2026 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Increased | 1.4M | Aug 12, 2026 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Increased | 1.4M | May 11, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 1.3M | May 15, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Increased | 1.3M | May 12, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 1.2M | Mar 25, 2026 |
| CITADEL ADVISORS LLC | Increased | 1.0M | Aug 14, 2026 |
| MORGAN STANLEY | Increased | 988K | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.