SEC Form 3 · accession 0002137663-26-000003
Zura Bio Ltd · ZURA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Marlyn Teresa Mathew
Officer — VP, Principal Acctg. Officer
Period of report
Apr 17, 2026
Accepted (ET)
Jun 22, 2026 · 4:55 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001855644
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Ordinary SharesF1 | holding | — | — | — | 129,182 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Share Option (Right to Buy)F3,F2 | — | holding | — | — | — | — | Jun 8, 2032 | Class A Ordinary Shares | 37,505 | — | D |
| Employee Share Option (Right to Buy)F5,F4 | — | holding | — | — | — | — | Mar 15, 2033 | Class A Ordinary Shares | 11,133 | — | D |
| Employee Share Option (Right to Buy)F6 | $3.38 | holding | — | — | — | — | Jun 18, 2034 | Class A Ordinary Shares | 90,000 | — | D |
| Employee Share Option (Right to Buy)F7 | $1.20 | holding | — | — | — | — | Feb 27, 2035 | Class A Ordinary Shares | 81,150 | — | D |
| Employee Share Option (Right to Buy)F8 | $6.03 | holding | — | — | — | — | Apr 1, 2036 | Class A Ordinary Shares | 66,220 | — | D |
Explanation of responses
- F1Includes 32,296 shares underlying restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of common stock of the Issuer. The RSUs shall vest in full on May 18, 2027, subject to the Reporting Person's continuous service through such vesting date.
- F2Immediately exercisable.
- F3$0.83732
- F4One fourth (1/4) of the shares subject to the option award vested on March 15, 2024 and the remaining shares subject to the option vested or shall vest in thirty-six (36) monthly installments thereafter on the last day of the month, subject to the Reporting Person's continuous service through such vesting date.
- F5$1.19593
- F6One fourth (1/4) of the shares subject to the option award vested on June 18, 2025 and the remaining shares subject to the option vested or shall vest in twelve (12) equal quarterly installments thereafter, subject to the Reporting Person's continuous service through such vesting date.
- F7One fourth (1/4) of the shares subject to the option award vested on February 27, 2026 and the remaining shares subject to the option vested or shall vest in twelve (12) equal quarterly installments thereafter, subject to the Reporting Person's continuous service through such vesting date.
- F8One fourth (1/4) of the shares subject to the option award shall vest on April 1, 2027 and the remaining shares subject to the option shall vest in twelve (12) equal quarterly installments thereafter, subject to the Reporting Person's continuous service through such vesting date.