Grey Michael G insider trades
Grey Michael G has filed 33 Form 4s with the SEC that we hold, for Mirum Pharmaceuticals, Inc. (MIRM) (Director), OnKure Therapeutics, Inc. (OKUR) (Director), Spruce Biosciences, INC. (SPRB) (Executive Chairman, Director) and HZNP (Director). Across all of them we count 0 purchases worth $0 and 9 sales worth $12.9M reported on Form 4. In the last 12 months: 0 purchases ($0) and 3 sales ($11.1M). The largest single trade was a sale of 50,000 shares of Mirum Pharmaceuticals, Inc. worth $3.9M, dated 2025-12-19. The first filing on our record is dated 2021-07-23 and the latest 2026-08-11.
Mirum Pharmaceuticals, Inc. (MIRM)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-05-03 | S, sale reported on Form 4 | 14,608 | $409.0K | 2023-05-04 |
| 2023-06-08 | S, sale reported on Form 4 | 14,608 | $423.6K | 2023-06-09 |
| 2023-09-13 | S, sale reported on Form 4 | 392 | $12.5K | 2023-09-14 |
| 2023-09-14 | S, sale reported on Form 4 | 14,216 | $454.9K | 2023-09-14 |
| 2025-11-21 | S, sale reported on Form 4 | 50,000 | $3.5M | 2025-11-25 |
| 2025-12-01 | S, sale reported on Form 4 | 50,000 | $3.7M | 2025-12-02 |
| 2025-12-19 | S, sale reported on Form 4 | 50,000 | $3.9M | 2025-12-23 |
OnKure Therapeutics, Inc. (OKUR)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Spruce Biosciences, INC. (SPRB)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
HZNP
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-07-22 | S, sale reported on Form 4 | 4,000 | $400.2K | 2021-07-23 |
| 2021-07-22 | S, sale reported on Form 4 | 1,000 | $100.0K | 2021-07-23 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1240122) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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