Standard Biotools (LAB)Director bought ~$5.13M
Casdin Partners Master Fund, Director at Standard Biotools, bought ~$5.13M of Standard Biotools shares.
- ~$5.13M
- Approx. value · 4.82M sh @ $1.07
- 58.8M
- Holds after · shares reported
- Traded
- Feb 28, 2025
- Filed
- Mar 5, 2025
The story around this disclosure
Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.
- Feb 28, 2025 · this disclosureInsiderDirector purchased ~$5.13M of LAB shares in the open market
What came next
- May 21, 2025Insider · 3 peopleInsiders: 3 sales (~$20K)
- May 22, 2025Insider · 3 peopleInsiders: 3 sales (~$19K)
- May 23, 2025Insider · 3 peopleInsiders: 3 sales (~$19K)
How to read SEC Form 4
Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.
Full guide: What is an SEC Form 4?
What else is on file for Standard Biotools
For Standard Biotools, OQRO holds 1 federal contract award dated in the last 90 days.
These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its LAB page.
Other recent filings by Casdin Partners Master Fund, L.P., Director
- SEC Form 4 at BioLife Solutions, Inc. (BLFS)May 21, 2026
- SEC Form 4 at BioLife Solutions, Inc. (BLFS)May 21, 2026
- SEC Form 4 at BioLife Solutions, Inc. (BLFS)May 21, 2026
- SEC Form 4 at BioLife Solutions, Inc. (BLFS)Oct 17, 2025
- SEC Form 4 at Standard Biotools (LAB)Sep 12, 2025
The full history of Casdin Partners Master Fund, L.P., Director is on the profile page.
How this filing works
Other disclosures at Standard Biotools
- USAspending.gov award recordSep 2, 2026
- SEC Form 13F-HRMay 12, 2026
- USAspending.gov award recordFeb 26, 2026
- SEC Form 13F-HRFeb 11, 2026
- SEC Form 13F-HRNov 12, 2025
- SEC Form 4Sep 12, 2025
Everything OQRO holds on this company is on its LAB page.
This is one filing. OQRO holds the rest
Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.
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