LAB insider buying
4 cluster buysSTANDARD BIOTOOLS INC.
When two or more insiders at STANDARD BIOTOOLS INC. buy LAB in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in LAB plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Nov 7 – Dec 4, 2025Detected Dec 4, 20254 insidersTotal bought$14.4MMarket cap$338.4M
- Aug 14 – Sep 9, 2025Detected Sep 9, 20252 insidersTotal bought$1.8MMarket cap$338.4M
- Aug 2 – Aug 27, 2024Detected Aug 27, 20245 insidersTotal bought$12.6MMarket cap$338.4M
1 more cluster in LAB
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All notable open-market buys in LAB
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Nov 5, 2026 | Director | 75,000 | $0.63 | $46.9K | SEC ↗ |
| Dec 4, 2025 | Director | 150,000 | $1.45 | $217.5K | SEC ↗ |
| Dec 3, 2025 | Director | 75,000 | $1.44 | $108.0K | SEC ↗ |
| Dec 2, 2025 | Director | 125,000 | $1.42 | $177.5K | SEC ↗ |
| Nov 25, 2025 | Casdin Partners GP, LLCcluster Director, 10% Owner | 7,550,000 | $1.30 | $9.8M | SEC ↗ |
| Nov 24, 2025 | Casdin Partners GP, LLCcluster Director, 10% Owner | 150,000 | $1.43 | $214.5K | SEC ↗ |
| Nov 20, 2025 | Casdin Elicluster Director, 10% Owner | 450,000 | $1.30 | $585.0K | SEC ↗ |
| Nov 19, 2025 | Casdin Elicluster Director, 10% Owner | 350,000 | $1.28 | $448.0K | SEC ↗ |
| Nov 18, 2025 | Casdin Elicluster Director, 10% Owner | 275,000 | $1.23 | $338.3K | SEC ↗ |
| Nov 17, 2025 | Director, 10% Owner | 225,000 | $1.22 | $274.5K | SEC ↗ |
| Nov 14, 2025 | Director, 10% Owner | 250,000 | $1.24 | $310.0K | SEC ↗ |
| Nov 13, 2025 | Director, 10% Owner | 450,000 | $1.20 | $540.0K | SEC ↗ |
| Nov 12, 2025 | Casdin Partners GP, LLCcluster Director, 10% Owner | 375,000 | $1.19 | $446.3K | SEC ↗ |
| Nov 11, 2025 | Casdin Partners GP, LLCcluster Director, 10% Owner | 300,000 | $1.20 | $360.0K | SEC ↗ |
| Nov 10, 2025 | Casdin Partners GP, LLCcluster Director, 10% Owner | 275,000 | $1.17 | $321.8K | SEC ↗ |
| Nov 7, 2025 | Casdin Partners GP, LLCcluster Director, 10% Owner | 225,000 | $1.12 | $252.0K | SEC ↗ |
| Sep 9, 2025 | Director, 10% Owner | 100,000 | $1.29 | $129.0K | SEC ↗ |
| Sep 4, 2025 | Casdin Elicluster Director, 10% Owner | 250,000 | $1.28 | $320.0K | SEC ↗ |
| Sep 3, 2025 | Casdin Elicluster Director, 10% Owner | 250,000 | $1.27 | $317.5K | SEC ↗ |
| Aug 26, 2025 | Director, 10% Owner | 125,000 | $1.26 | $157.5K | SEC ↗ |
| Aug 25, 2025 | Director, 10% Owner | 200,000 | $1.24 | $248.0K | SEC ↗ |
| Aug 22, 2025 | Director, 10% Owner | 200,000 | $1.26 | $252.0K | SEC ↗ |
| Aug 15, 2025 | Casdin Elicluster Director, 10% Owner | 150,000 | $1.22 | $183.0K | SEC ↗ |
| Aug 14, 2025 | Casdin Elicluster Director, 10% Owner | 133,220 | $1.21 | $161.2K | SEC ↗ |
| Feb 28, 2025 | Director, 10% Owner | 4,820,959 | $1.07 | $5.2M | SEC ↗ |
LAB insider buying — FAQ
- Are insiders buying LAB stock?
- Yes — 10 distinct insiders have bought LAB (STANDARD BIOTOOLS INC.) on the open market, including 4 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Nov 5, 2026.
- How much LAB stock have insiders bought?
- Insiders have bought a combined $39.2M of LAB across 47 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in LAB?
- A cluster buy is two or more distinct STANDARD BIOTOOLS INC. insiders — officers, directors, or 10% owners — each buying LAB on the open market within a rolling window. LAB has 4 detected cluster buys to date.
- Where does this LAB insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in LAB
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy LAB within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding LAB.