Ramasastry Saira — SEC Form 4 filings
SEC reporting owner CIK 1547959. 22 Form 4 filings on record with FilingPulse; latest filed 2026-06-17.
Transaction summary — filings shown
Covers all 22 filings on record, filed 2024-05-28 to 2026-06-17. 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): 15 legs across 13 filings — 65,180 shares, $2,599,490 total (shares × price as filed on priced legs).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 56.
- Largest priced transaction: sale of 5,000 shares @ $80.00 ($400,000) in Mirum Pharmaceuticals, Inc., filed 2025-12-23.
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 |
|---|---|---|---|---|---|
| Mirum Pharmaceuticals, Inc. (MIRM) | Director | 13 | — | 13 legs · 51,180 sh · $2,423,823 | 30 |
| Day One Biopharmaceuticals, Inc. (DAWN) | Director | 5 | — | 1 leg · 10,000 sh · $131,877 | 21 |
| Vir Biotechnology, Inc. (VIR) | Director | 3 | — | 1 leg · 4,000 sh · $43,789 | 4 |
| Sensei Biotherapeutics, Inc. (FTH) | Director | 1 | — | — | 1 |
Form 4 filings — Ramasastry Saira
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-17 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Grant/award (A): 3,772 (derivative) @ $0 · Grant/award (A): 1,980 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | Sensei Biotherapeutics, Inc. (FTH) | Grant/award (A): 25,000 (derivative) @ $0 | EDGAR |
| 2026-06-02 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 3,977 · Sale (S): 3,977 @ $100 · Option exercise (M): 3,977 (derivative) @ $0 | EDGAR |
| 2026-05-18 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 2,000 @ $23.51 · Sale (S): 2,000 @ $109.47 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
| 2026-04-23 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Disposition to issuer (D): 40,485 · Disposition to issuer (D): 40,000 (derivative) · Disposition to issuer (D): 47,581 (derivative) · Disposition to issuer (D): 28,700 (derivative) · Disposition to issuer (D): 37,500 (derivative) · Disposition to issuer (D): 32,335 (derivative) · +2 more | EDGAR |
| 2026-04-16 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 2,000 @ $23.51 · Sale (S): 2,000 @ $96.90 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 2,000 @ $23.51 · Sale (S): 2,000 @ $90.76 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 2,000 @ $23.51 · Sale (S): 2,000 @ $102.09 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
| 2026-01-16 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 2,000 @ $23.51 · Sale (S): 2,000 @ $90.99 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
| 2025-12-23 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 5,000 @ $23.51 · Sale (S): 5,000 @ $80 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2025-12-19 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 2,000 @ $23.51 · Sale (S): 1,000 @ $69.46 · Sale (S): 1,000 @ $70 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
| 2025-11-07 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Disposition to issuer (D): 40,000 (derivative) @ $0 · Grant/award (A): 40,000 (derivative) @ $0 · Disposition to issuer (D): 47,581 (derivative) @ $0 · Grant/award (A): 47,581 (derivative) @ $0 · Disposition to issuer (D): 28,700 (derivative) @ $0 · Grant/award (A): 28,700 (derivative) @ $0 · +4 more | EDGAR |
| 2025-09-10 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 17,000 @ $23.51 · Sale (S): 17,000 · Option exercise (M): 17,000 (derivative) @ $0 | EDGAR |
| 2025-06-04 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Sale (S): 5,703 @ $46.20 · Option exercise (M): 2,500 @ $14.12 · Sale (S): 2,500 @ $45.74 · Option exercise (M): 2,500 (derivative) @ $0 | EDGAR |
| 2025-06-04 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Grant/award (A): 22,500 (derivative) @ $0 · Grant/award (A): 15,000 (derivative) @ $0 | EDGAR |
| 2025-06-02 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 5,703 · Option exercise (M): 5,703 (derivative) @ $0 · Grant/award (A): 6,268 (derivative) @ $0 · Grant/award (A): 3,977 (derivative) @ $0 | EDGAR |
| 2025-06-02 | 4 | Vir Biotechnology, Inc. (VIR) | Grant/award (A): 8,000 @ $0 · Grant/award (A): 16,000 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 10,000 @ $13.19 | EDGAR |
| 2024-06-12 | 4 | Vir Biotechnology, Inc. (VIR) | Sale (S): 4,000 @ $10.95 | EDGAR |
| 2024-06-07 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 5,000 @ $14.12 · Sale (S): 5,000 @ $25.68 · Option exercise (M): 5,000 (derivative) @ $0 · Grant/award (A): 8,779 (derivative) @ $0 · Grant/award (A): 5,703 (derivative) @ $0 | EDGAR |
| 2024-06-03 | 4 | Vir Biotechnology, Inc. (VIR) | Grant/award (A): 8,000 @ $0 · Grant/award (A): 16,000 (derivative) @ $0 | EDGAR |
| 2024-05-28 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Grant/award (A): 32,335 (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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