SEC Form 4 · accession 0001193125-26-388146
Korsana Biosciences, Inc. · KRSA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Michelle Patricia Pernice
Director
Period of report
Sep 9, 2026
Accepted (ET)
Sep 10, 2026 · 5:45 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001755237
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F1 | $26.20 | Sep 9, 2026 | A | 48,445 | A | — | Sep 9, 2036 | Common Stock | 48,445 | 48,445 | D |
Explanation of responses
- F1This option represents the right to purchase 48,445 shares of the Issuer's common stock and will vest in equal monthly installments through September 9, 2029, subject to the Reporting Person's continued service to the Issuer on each such vesting date.