🕵️ Standard Biotools Inc. ($LAB)
SEC insider & ownership activity, last 12 months · CIK 1162194 · every row links its SEC filing
Over the last 12 months insiders bought $16.3M with no open-market selling against it. Casdin Partners Master Fund, L.P. bought $16.3M (Aug–Dec). Eli Casdin trimmed 24.2% → 23.9%; Casdin Capital, LLC trimmed 22.9% → 22.7%. One red-flag 8-K in the window: Delisting notice (3.01), Jul 22, 2026.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $16.3M (24 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Casdin Partners Master Fund, L.P. | 24 | $16.3M | 0 | – | Dec 4, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Eli Casdin | 23.9% | 13D | Jun 6, 2026 | filing ↗ | |
| Casdin Capital, LLC | 22.7% | 13D | Jun 6, 2026 | filing ↗ | |
| Casdin Partners Master Fund, L.P. | 18.5% | 13D | Jun 6, 2026 | filing ↗ | |
| Casdin Partners GP, LLC | 18.5% | 13D | Jun 6, 2026 | filing ↗ | |
| Viking Global Opportunities Parent GP LLC | 15.0% | 13D | Jun 6, 2026 | filing ↗ | |
| Halvorsen Ole Andreas | 15.0% | 13D | Jun 6, 2026 | filing ↗ | |
| Shabet Rose Sharon | 15.0% | 13D | Jun 6, 2026 | filing ↗ | |
| Viking Global Investors LP | 15.0% | 13D | Jun 6, 2026 | filing ↗ | |
| Viking Global Opportunities GP LLC | 10.1% | 13D | Jun 6, 2026 | filing ↗ | |
| Viking Global Opportunities Portfolio GP LLC | 10.1% | 13D | Jun 6, 2026 | filing ↗ | |
| Viking Global Opportunities Illiquid Investments Sub-Master LP | 10.1% | 13D | Jun 6, 2026 | filing ↗ | |
| MAK Capital Fund LP | 6.7% | 13G | May 15, 2026 | filing ↗ | |
| MAK Capital One L.L.C. | 6.7% | 13G | May 15, 2026 | filing ↗ | |
| Michael A. Kaufman | 6.7% | 13G | May 15, 2026 | filing ↗ | |
| Viking Global Opportunities Drawdown GP LLC | 5.0% | 13D | Jun 6, 2026 | filing ↗ | |
| Viking Global Opportunities Drawdown Portfolio GP LLC | 5.0% | 13D | Jun 6, 2026 | filing ↗ | |
| Viking Global Opportunities Drawdown (AGGREGATOR) LP | 5.0% | 13D | Jun 6, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Material agreement (1.01) | Jul 24, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 24, 2026 | filing ↗ |
| Delisting notice (3.01) | Jul 22, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 17, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 17, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 6, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jun 6, 2026 | filing ↗ |
| Change of control (5.01) | Jun 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 6, 2026 | filing ↗ |
| Other events (8.01) | Jun 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 21, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 30, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Jan 30, 2026 | filing ↗ |
| Earnings (2.02) | Jan 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 30, 2026 | filing ↗ |
| Earnings (2.02) | Jan 8, 2026 | filing ↗ |