Riggsbee Richard Bryan insider trades
Riggsbee Richard Bryan has filed 29 Form 4s with the SEC that we hold, for Myriad Genetics INC (MYGN) (Chief Financial Officer), CareDx, Inc. (CDNA) (Director) and Neogen Corp (NEOG) (CFO). Across all of them we count 0 purchases worth $0 and 7 sales worth $2.4M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 30,000 shares of Myriad Genetics INC worth $572.7K, dated 2023-12-01. The first filing on our record is dated 2021-08-05 and the latest 2026-08-14.
Myriad Genetics INC (MYGN)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-08-03 | S, sale reported on Form 4 | 14,983 | $526.5K | 2021-08-05 |
| 2022-12-27 | S, sale reported on Form 4 | 20,000 | $303.0K | 2022-12-28 |
| 2023-01-18 | S, sale reported on Form 4 | 600 | $12.0K | 2023-01-19 |
| 2023-01-20 | S, sale reported on Form 4 | 9,400 | $188.4K | 2023-01-23 |
| 2023-03-02 | S, sale reported on Form 4 | 15,000 | $338.2K | 2023-03-03 |
| 2023-11-01 | S, sale reported on Form 4 | 30,000 | $470.7K | 2023-11-03 |
| 2023-12-01 | S, sale reported on Form 4 | 30,000 | $572.7K | 2023-12-05 |
CareDx, Inc. (CDNA)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Neogen Corp (NEOG)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1621899) 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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