SEC Form 4 · accession 0001193125-26-388144
Korsana Biosciences, Inc. · KRSA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Nimish P Shah
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)F2,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.
- F2Under an agreement between the Reporting Person and Venrock Management, LLC (the "Management Company"), the Reporting Person is deemed to hold the reported option and the shares underlying the option for the sole benefit of the Management Company and must exercise the reported option solely upon the direction of the Management Company, which is entitled to the shares underlying the option. The Management Company may be deemed the indirect beneficial owner of the shares underlying the option, and the Reporting Person may be deemed the indirect beneficial owner of the reported shares underlying the option through his interest in the Management Company. The Reporting Person disclaims beneficial ownership of the reported shares except to the extent of his pecuniary interest therein.