Robert Nelsen
Director, 10% Owner · Prime Medicine, Inc.
- 2025
- Jun 8, 2026
- 5
Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Robert Nelsen. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- ARCH Venture Partners X, LLC - $10.00M in PRME purchases and sales on record
- ARCH Venture Partners XII, LLC - $10.00M in PRME purchases and sales on record
- GV 2021 GP, L.L.C. - $4.95M in PRME purchases and sales on record
- David R. Liu - $53K in PRME purchases and sales on record
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Frequently asked questions
Who is Robert Nelsen?
Robert Nelsen is a corporate insider, tracked as Director, 10% Owner of Prime Medicine, Inc. (PRME). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Robert Nelsen last file a Form 4?
The most recent primary Form 4 on record is dated 8 June 2026, one of 5 filings going back to 2025.
Has Robert Nelsen been buying or selling stock?
Recorded transactions: 1 open-market purchase ($10.00M) and 0 open-market sales across all tracked filings.
