Tregoning Kathleen has filed 5 insider transactions across 1 company since January 2023.
Most recent transaction: a grant/award of 20000 shares of Spero Therapeutics, Inc. ($SPRO) on June 12, 2025.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 12, 2025 | Spero Therapeutics, Inc. | $SPRO | Tregoning Kathleen | Not found | A | Common Stock | 20000 | $0.00 | 75,000.0000 | 55,900,641 | 36.36% | 0.04% |
| May 29, 2024 | Spero Therapeutics, Inc. | $SPRO | Tregoning Kathleen | Not found | A | Common Stock | 20000 | $0.00 | 55,000.0000 | 0 | 57.14% | 0.00% |
| Jan. 2, 2024 | Spero Therapeutics, Inc. | $SPRO | Tregoning Kathleen | Not found | A | Stock Option (Right to Buy) | 35604 | $1.12 | 35,604.0000 | 0 | 9999.99% | 0.00% |
| Oct. 5, 2023 | Spero Therapeutics, Inc. | $SPRO | Tregoning Kathleen | Not found | A | Common Stock | 20000 | $0.00 | 35,000.0000 | 0 | 133.33% | 0.00% |
| Jan. 3, 2023 | Spero Therapeutics, Inc. | $SPRO | Tregoning Kathleen | Director | A | Stock Option (Right to Buy) | 30943 | $1.29 | 30,943.0000 | 0 | 9999.99% | 0.00% |