GREY MICHAEL G — SEC Form 4 filings
SEC reporting owner CIK 1240122. 15 Form 4 filings on record with FilingPulse; latest filed 2026-08-11.
Transaction summary — filings shown
Covers all 15 filings on record, filed 2024-05-24 to 2026-08-11. 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): 3 legs across 3 filings — 150,000 shares, $11,100,000 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 32.
- Largest priced transaction: sale of 50,000 shares @ $78.00 ($3,900,000) 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 | 7 | — | 3 legs · 150,000 sh · $11,100,000 | 13 |
| SPRUCE BIOSCIENCES, INC. (SPRB) | Executive Chairman, Director | 4 | — | — | 15 |
| OnKure Therapeutics, Inc. (OKUR) | Director | 4 | — | — | 4 |
Form 4 filings — GREY MICHAEL G
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-11 | 4 | OnKure Therapeutics, Inc. (OKUR) | Grant/award (A): 22,350 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Grant/award (A): 3,772 (derivative) @ $0 · Grant/award (A): 1,980 (derivative) @ $0 | EDGAR |
| 2026-06-08 | 4 | OnKure Therapeutics, Inc. (OKUR) | Grant/award (A): 7,650 (derivative) @ $0 | EDGAR |
| 2026-05-26 | 4 | SPRUCE BIOSCIENCES, INC. (SPRB) | Grant/award (A): 1,700 (derivative) @ $0 | EDGAR |
| 2025-12-23 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 50,000 @ $2.94 · Sale (S): 50,000 @ $78 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2025-12-15 | 4 | SPRUCE BIOSCIENCES, INC. (SPRB) | Grant/award (A): 387 (derivative) · Disposition to issuer (D): 387 (derivative) · Grant/award (A): 1,255 (derivative) · Disposition to issuer (D): 1,255 (derivative) · Grant/award (A): 1,499 (derivative) · Disposition to issuer (D): 1,499 (derivative) · +6 more | EDGAR |
| 2025-12-02 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 50,000 @ $2.94 · Sale (S): 50,000 @ $74 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2025-11-25 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 50,000 @ $2.94 · Sale (S): 50,000 @ $70 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2025-07-24 | 4 | SPRUCE BIOSCIENCES, INC. (SPRB) | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2025-06-02 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Grant/award (A): 6,268 (derivative) @ $0 · Grant/award (A): 3,977 (derivative) @ $0 | EDGAR |
| 2025-05-30 | 4 | OnKure Therapeutics, Inc. (OKUR) | Grant/award (A): 7,650 (derivative) @ $0 | EDGAR |
| 2024-10-08 | 4 | OnKure Therapeutics, Inc. (OKUR) | Grant/award (A): 15,300 (derivative) @ $0 | EDGAR |
| 2024-10-01 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Gift (G): 102,788 @ $0 | EDGAR |
| 2024-06-07 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Grant/award (A): 8,779 (derivative) @ $0 · Grant/award (A): 5,703 (derivative) @ $0 | EDGAR |
| 2024-05-24 | 4 | SPRUCE BIOSCIENCES, INC. (SPRB) | Grant/award (A): 30,000 (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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