STANDARD BIOTOOLS INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for STANDARD BIOTOOLS INC. (LAB), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are LAB insiders buying or selling?
In the last 12 months, STANDARD BIOTOOLS INC. insiders reported 5 open-market purchases ($14.4M) and 0 sales ($0) — net buying of $14.4M. Since January 2018, Trabud has recorded 114 Form 4 filings for LAB: 94 buys ($69.3M) and 20 sells ($20.0M).
Source: SEC EDGAR Form 4
Key Statistics (January 2018 – Dec 5, 2025)
Total Form 4 filings
114
SEC EDGAR
Insider filers
12
Insider buys (94)
$69.3M
Insider sells (20)
$20.0M
Insider sentiment
Net buyingNet insider flow of $49.3M in net buying since January 2018, and $14.4M in net buying over the last 12 months.
Recent LAB insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Purchase | 350.0K | $1.44 | $502.6K | SEC ↗ |
| Nov 26, 2025 | Eli Casdin | Director, 10% Owner | Purchase | 7.7M | $1.31 | $10.1M | SEC ↗ |
| Nov 21, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Purchase | 1.1M | $1.28 | $1.4M | SEC ↗ |
| Nov 17, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Purchase | 925.0K | $1.22 | $1.1M | SEC ↗ |
| Nov 13, 2025 | Eli Casdin | Director, 10% Owner | Purchase | 1.2M | $1.17 | $1.4M | SEC ↗ |
| Sep 12, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Purchase | 100.0K | $1.29 | $128.9K | SEC ↗ |
| Sep 5, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Purchase | 500.0K | $1.27 | $635.8K | SEC ↗ |
| Aug 27, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Purchase | 525.0K | $1.25 | $658.8K | SEC ↗ |
| Aug 16, 2025 | Eli Casdin | Director, 10% Owner | Purchase | 358.2K | $1.24 | $443.0K | SEC ↗ |
| May 28, 2025 | Hanjoon Alex Kim | Chief Financial Officer | Sale | 1.4K | $0.94 | $1.3K | SEC ↗ |
| May 28, 2025 | Sean Mackay | SVP & Chief Business Officer | Sale | 13.2K | $0.94 | $12.4K | SEC ↗ |
| May 28, 2025 | Michael Egholm | President & CEO | Sale | 5.5K | $0.94 | $5.2K | SEC ↗ |
| May 28, 2025 | Hanjoon Alex Kim | Chief Financial Officer | Sale | 1.4K | $1.00 | $1.4K | SEC ↗ |
| May 28, 2025 | Michael Egholm | President & CEO | Sale | 5.1K | $1.00 | $5.1K | SEC ↗ |
| May 23, 2025 | Sean Mackay | SVP & Chief Business Officer | Sale | 25.4K | $1.02 | $25.8K | SEC ↗ |
| May 23, 2025 | Michael Egholm | President & CEO | Sale | 4.7K | $1.03 | $4.9K | SEC ↗ |
| May 23, 2025 | Hanjoon Alex Kim | Chief Financial Officer | Sale | 1.4K | $1.03 | $1.4K | SEC ↗ |
| Mar 5, 2025 | Eli Casdin | Director, 10% Owner | Purchase | 4.8M | $1.07 | $5.1M | SEC ↗ |
| Aug 30, 2024 | Eli Casdin | Director, 10% Owner | Purchase | 250.0K | $2.19 | $546.8K | SEC ↗ |
| Aug 27, 2024 | Eli Casdin | Director, 10% Owner | Purchase | 750.0K | $2.06 | $1.5M | SEC ↗ |
| Aug 22, 2024 | Eli Casdin | Director, 10% Owner | Purchase | 1.3M | $1.88 | $2.4M | SEC ↗ |
| Aug 16, 2024 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Purchase | 1.2M | $1.59 | $1.9M | SEC ↗ |
| Aug 14, 2024 | Eli Casdin | Director, 10% Owner | Purchase | 1.6M | $1.62 | $2.6M | SEC ↗ |
| Aug 10, 2024 | Eli Casdin | Director, 10% Owner | Purchase | 1.1M | $1.61 | $1.7M | SEC ↗ |
| Aug 7, 2024 | Eli Casdin | Director, 10% Owner | Purchase | 1.2M | $1.62 | $1.9M | SEC ↗ |
Showing the 25 most recent of 114 Form 4 filings for STANDARD BIOTOOLS INC..
Most active LAB insiders
- LEVIN CAPITAL STRATEGIES, L.P.55 filings
- Casdin Partners Master Fund, L.P.22 filings
- Levin Easterly Partners LLC10 filings
- Caligan Partners LP8 filings
- Samuel D Colella4 filings
Ask anything about LAB insider activity
Use Trabud's AI agent to query STANDARD BIOTOOLS INC.'s Form 4 history in plain English — "Show me LAB CEO purchases this year" or compare it against any other ticker.
Open the AI agentLAB insider trading FAQ
Are STANDARD BIOTOOLS INC. insiders buying or selling?
In the last 12 months, STANDARD BIOTOOLS INC. insiders reported 5 open-market purchases ($14.4M) and 0 sales ($0) — net buying of $14.4M. Since January 2018, Trabud has recorded 114 Form 4 filings for LAB: 94 buys ($69.3M) and 20 sells ($20.0M). Over the full record that is net buying of $49.3M.
How many insiders trade LAB stock?
12 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for STANDARD BIOTOOLS INC.. The most recent filing was accepted on Dec 5, 2025.
Where does Trabud get LAB insider trading data?
All LAB insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.