🕵️ Genedx Holdings Corp. ($WGS)
SEC insider & ownership activity, last 12 months · CIK 1818331 · every row links its SEC filing
Over the last 12 months insiders sold $24.3M against $106.6M of open-market buying. Keith A. Meister bought $74.0M (Mar–May). Keith A. Meister added 12.1% → 17.9%; Corvex Management LP added 10.2% → 16.1%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $106.6M (34 lots) · 4 sellers, $24.3M (115 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Keith A. Meister | 29 | $74.0M | 0 | – | May 15, 2026 |
| Casdin Capital, LLC | 5 | $32.6M | 0 | – | Jun 5, 2026 |
| Stueland Katherine | 0 | – | 43 | $13.1M | Sep 9, 2026 |
| Ruch Joshua | 0 | – | 15 | $6.1M | Nov 24, 2025 |
| Feeley Kevin | 0 | – | 45 | $4.2M | Sep 9, 2026 |
| Bryan Dechairo | 0 | – | 12 | $851K | Feb 4, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Keith A. Meister | 17.9% | 13D | May 20, 2026 | filing ↗ | |
| Corvex Management LP | 16.1% | 13D | May 20, 2026 | filing ↗ | |
| Eli Casdin | 13.7% | 13D | May 20, 2026 | filing ↗ | |
| Casdin Partners GP, LLC | 11.9% | 13D | May 20, 2026 | filing ↗ | |
| Casdin Capital, LLC | 11.8% | 13D | May 20, 2026 | filing ↗ | |
| Casdin Partners Master Fund, L.P. | 11.8% | 13D | May 20, 2026 | filing ↗ | |
| The Goldman Sachs Group, Inc. | 5.8% | Class A | 13G | Aug 11, 2026 | filing ↗ |
| Goldman Sachs & Co. LLC | 5.8% | Class A | 13G | Aug 11, 2026 | filing ↗ |
| BlackRock, Inc. | 5.5% | Class A | 13G | Jul 28, 2026 | filing ↗ |
| ARK Investment Management LLC | 5.3% | 13G | Aug 7, 2026 | filing ↗ | |
| Catherine D. Wood | 5.3% | 13G | Aug 7, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Katherine Stueland | $1.2M | Sep 9, 2026 | filing ↗ |
| Kevin Feeley | $458K | Sep 1, 2026 | filing ↗ |
| Kevin Feeley | $366K | Apr 29, 2026 | filing ↗ |
| Katherine Stueland | $1.0M | Apr 29, 2026 | filing ↗ |
| Bryan Dechairo | $930K | Feb 2, 2026 | filing ↗ |
| Kevin Feeley | $2.4M | Jan 29, 2026 | filing ↗ |
| Katherine Stueland | $9.3M | Jan 29, 2026 | filing ↗ |
| Ruch Joshua | $6.1M | Nov 24, 2025 | filing ↗ |
| Kevin Feeley | $625K | Sep 30, 2025 | filing ↗ |
| Kevin Feeley | $716K | Sep 30, 2025 | filing ↗ |
| Katherine Stueland | $1.8M | Sep 30, 2025 | filing ↗ |
| Katherine Stueland | $1.4M | Sep 30, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 3, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 18, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 15, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 15, 2026 | filing ↗ |
| Earnings (2.02) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 27, 2026 | filing ↗ |
| Agreement terminated (1.02) | Feb 27, 2026 | filing ↗ |
| New financial obligation (2.03) | Feb 27, 2026 | filing ↗ |
| Earnings (2.02) | Feb 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 23, 2026 | filing ↗ |
| Earnings (2.02) | Jan 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Earnings (2.02) | Oct 28, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 28, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 17, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 17, 2025 | filing ↗ |