Giraudo Bryan — SEC Form 4 filings
SEC reporting owner CIK 1740847. 10 Form 4 filings on record with FilingPulse; latest filed 2026-08-26.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-03-28 to 2026-08-26. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 100,000 shares, $59,110 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 5 legs across 2 filings — 65,560 shares, $5,926,311 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 36.
- Largest priced transaction: sale of 36,000 shares @ $100.14 ($3,605,040) in Protagonist Therapeutics, Inc, filed 2026-05-11.
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 |
|---|---|---|---|---|---|
| Protagonist Therapeutics, Inc (PTGX) | Director | 3 | — | 4 legs · 59,130 sh · $5,918,880 | 8 |
| Gossamer Bio, Inc. (GOSS) | COO/CFO | 7 | 1 leg · 100,000 sh · $59,110 | 1 leg · 6,430 sh · $7,431 | 28 |
Form 4 filings — Giraudo Bryan
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-26 | 4 | Gossamer Bio, Inc. (GOSS) | Grant/award (A): 25 (derivative) @ $1,000.00 · Grant/award (A): 5,800,051 (derivative) @ $0 | EDGAR |
| 2026-05-11 | 4 | Protagonist Therapeutics, Inc (PTGX) | Option exercise (M): 24,000 @ $6.45 · Option exercise (M): 12,000 @ $6.98 · Sale (S): 36,000 @ $100.14 · Sale (S): 12,000 @ $100.07 · Sale (S): 6,000 @ $100 · Sale (S): 5,130 @ $100 · +2 more | EDGAR |
| 2026-03-20 | 4 | Gossamer Bio, Inc. (GOSS) | Disposition to issuer (D): 693,750 (derivative) · Disposition to issuer (D): 638,000 (derivative) · Disposition to issuer (D): 543,750 (derivative) · Disposition to issuer (D): 181,250 (derivative) · Disposition to issuer (D): 211,500 (derivative) · Disposition to issuer (D): 211,500 (derivative) · +16 more | EDGAR |
| 2026-01-06 | 4 | Protagonist Therapeutics, Inc (PTGX) | Grant/award (A): 2,695 @ $0 · Grant/award (A): 3,762 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Gossamer Bio, Inc. (GOSS) | Grant/award (A): 115,750 @ $0 · Grant/award (A): 693,750 (derivative) @ $0 | EDGAR |
| 2025-10-02 | 4 | Gossamer Bio, Inc. (GOSS) | Grant/award (A): 181,250 @ $0 | EDGAR |
| 2025-03-06 | 4 | Gossamer Bio, Inc. (GOSS) | Grant/award (A): 638,000 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | Protagonist Therapeutics, Inc (PTGX) | Grant/award (A): 5,130 @ $0 · Grant/award (A): 6,584 (derivative) @ $0 | EDGAR |
| 2024-06-20 | 4 | Gossamer Bio, Inc. (GOSS) | Purchase (P): 100,000 @ $0.59 | EDGAR |
| 2024-03-28 | 4 | Gossamer Bio, Inc. (GOSS) | Sale (S): 6,430 @ $1.16 | 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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