Wellington Biomedical Innovation Master Investors (Cayman) I L.P. — SEC Form 4 filings
SEC reporting owner CIK 1787092. 3 Form 4 filings on record with FilingPulse; latest filed 2024-09-18.
Transaction summary — filings shown
Covers all 3 filings on record, filed 2024-04-02 to 2024-09-18. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 13.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Zenas BioPharma, Inc. (ZBIO) | 10% owner | 1 | — | — | 6 |
| Boundless Bio, Inc. (BOLD) | 10% owner | 1 | — | — | 4 |
| Artiva Biotherapeutics, Inc. (ARTV) | 10% owner | 1 | — | — | 3 |
Form 4 filings — Wellington Biomedical Innovation Master Investors (Cayman) I L.P.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2024-09-18 | 4 | Zenas BioPharma, Inc. (ZBIO) | Conversion (C): 180,635 · Conversion (C): 420,271 · Conversion (C): 200,718 · Conversion (C): 1,568,480 (derivative) · Conversion (C): 3,649,263 (derivative) · Conversion (C): 1,742,858 (derivative) | EDGAR |
| 2024-07-22 | 4 | Artiva Biotherapeutics, Inc. (ARTV) | Conversion (C): 145,089 · Other (J): 49,019 @ $10.20 · Conversion (C): 145,089 (derivative) | EDGAR |
| 2024-04-02 | 4 | Boundless Bio, Inc. (BOLD) | Conversion (C): 189,933 · Conversion (C): 366,300 · Conversion (C): 3,703,704 (derivative) @ $0 · Conversion (C): 7,142,857 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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