Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Kathleen Tregoning currently holds 175,000 shares of Spero Therapeutics, Inc. (SPRO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Kathleen Tregoning has been a net seller of SPRO stock. They have purchased $0 and sold $260.4K worth of shares.
Kathleen Tregoning's most recent insider trade was on Jul 6, 2026, when they sold 175,000 shares at $0.00 per share.
Kathleen Tregoning serves as Executive at Spero Therapeutics, Inc. (SPRO). They have executed 14 insider transactions totaling $260.4K over their tenure at the company.
Kathleen Tregoning holds the position of Executive at Spero Therapeutics, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 4 years and currently hold a stake valued at $0.
Kathleen Tregoning has shown a selling trading pattern, with $0 in total purchases and $260.4K in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Kathleen Tregoning was on Dec 20, 2023, when they sold $260.4K worth of CERE shares. This transaction involved 6,288 shares at $41.42 per share.
Kathleen Tregoning currently owns 175,000 shares of Spero Therapeutics, Inc. (SPRO), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Kathleen Tregoning's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Kathleen Tregoning has 14 Form 4 filings on record as an insider at Spero Therapeutics, Inc..
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