Prime Medicine (PRME)Chief Business Officer bought ~$24K
Richard Brudnick, Chief Business Officer at Prime Medicine, bought ~$24K of Prime Medicine shares.
- ~$24K
- Approx. value · 20K sh @ $1.19
- 20K
- Holds after · shares reported
- Traded
- May 20, 2025
- Filed
- May 22, 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.
- May 20, 2025 · this disclosureInsiderOfficer purchased ~$24K of PRME shares in the open market
What came next
- May 21, 2025Insider · 2 peopleInsiders: 2 purchases (~$260K)
- Jun 11, 2025Insider10% owner purchased ~$34K of PRME shares in the open market
- Jun 16, 2025Insider10% owner purchased ~$31K of PRME shares in the open market
- Jun 23, 2025Insider10% owner purchased ~$45K of PRME shares in the open market
- Jun 30, 2025Insider10% owner purchased ~$53K of PRME shares in the open market
- Aug 1, 2025Insider · 4 peopleInsiders: 4 purchases (~$34.9M)
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 Prime Medicine
For Prime Medicine, OQRO holds 1 fund holdings report (13F) 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 PRME page.
Other recent filings by Richard Brudnick, Chief Business Officer
- SEC Form 4 at Scholar Rock Holding (SRRK)May 30, 2025
- SEC Form 4 at Scholar Rock Holding (SRRK)May 30, 2025
The full history of Richard Brudnick, Chief Business Officer is on the profile page.
How this filing works
Other disclosures at Prime Medicine
- SEC Form 13F-HRAug 14, 2026
- SEC Form 13F-HRMay 12, 2026
- SEC Form 13F-HRFeb 11, 2026
- SEC Form 13F-HRNov 12, 2025
- SEC Form 4Aug 5, 2025
- SEC Form 4Aug 1, 2025
Everything OQRO holds on this company is on its PRME 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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