Tregoning Kathleen insider trades
Tregoning Kathleen has filed 17 Form 4s with the SEC that we hold, for Spero Therapeutics, Inc. (SPRO) (Director), CERE (See Remarks), COMPASS Pathways plc (CMPS) (Director) and Kailera Therapeutics, Inc. (KLRA) (See Remarks). Across all of them we count 0 purchases worth $0 and 1 sale worth $260.4K 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 6,288 shares of CERE worth $260.4K, dated 2023-12-20. The first filing on our record is dated 2021-11-12 and the latest 2026-07-08.
Spero Therapeutics, Inc. (SPRO)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
CERE
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-12-20 | S, sale reported on Form 4 | 6,288 | $260.4K | 2023-12-21 |
COMPASS Pathways plc (CMPS)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Kailera Therapeutics, Inc. (KLRA)
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 1830764) 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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