Robert Nelsen - Director, 10%+ Owner at Prime Medicine, Inc.

Issuer-level insider activity

Identity Names, identifiers, and filing context for this profile. 1 identity field
Entity type
Individual
Source evidence Original filing metadata and source links for verification. 1 source field
Source filing history
Open source filing history

No buys or sells have been reported by Robert Nelsen since 04 Aug 2025

Reported holdings for Robert Nelsen in Prime Medicine, Inc.

Form 4 holding Director, 10%+ Owner

Prime Medicine, Inc.

Security class
Common Stock
Shares / value
6,128,297
Estimated value
$26,658,091
Report date
01 Aug 2025
Price
$4.35
Ownership
By ARCH Venture Fund X Overage, L.P.
Form 4 holding Director, 10%+ Owner

Prime Medicine, Inc.

Security class
Common Stock
Shares / value
6,230,300
Estimated value
$20,559,990
Report date
01 Aug 2025
Price
$3.30
Ownership
By ARCH Venture Fund XII, L.P.
Form 4 holding Director, 10%+ Owner

Prime Medicine, Inc.

Security class
Stock Option (right to buy)
Shares / value
75,000
Estimated value
Report date
05 Jun 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Transaction history for Robert Nelsen in Prime Medicine, Inc.

Sym Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
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