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Keutzer Timothy insider trades
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Keutzer Timothy insider trades

Keutzer Timothy has filed 10 Form 4s with the SEC that we hold, all for Spero Therapeutics, Inc. (SPRO), as Chief Operating Officer. Across all of them we count 0 purchases worth $0 and 12 sales worth $246.4K reported on Form 4. In the last 12 months: 0 purchases ($0) and 4 sales ($145.2K). The largest single trade was a sale of 24,224 shares of Spero Therapeutics, Inc. worth $51.8K, dated 2026-02-03. The first filing on our record is dated 2021-08-30 and the latest 2026-02-09.

Spero Therapeutics, Inc. (SPRO)

Chief Operating Officer · 10 filings · 12 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2023-02-02S, sale reported on Form 43,394$6.3K2023-02-03SEC
2023-08-28S, sale reported on Form 41,854$2.3K2023-08-30SEC
2024-02-02S, sale reported on Form 430,971$42.1K2024-02-05SEC
2024-08-27S, sale reported on Form 42,213$3.0K2024-08-29SEC
2025-02-05S, sale reported on Form 424,920$19.4K2025-02-05SEC
2025-02-05S, sale reported on Form 427,643$21.6K2025-02-05SEC
2025-02-05S, sale reported on Form 43,974$3.1K2025-02-05SEC
2025-08-28S, sale reported on Form 41,695$3.3K2025-09-03SEC
2026-02-02S, sale reported on Form 418,891$41.6K2026-02-05SEC
2026-02-03S, sale reported on Form 424,224$51.8K2026-02-05SEC
2026-02-04S, sale reported on Form 43,471$7.8K2026-02-05SEC
2026-02-06S, sale reported on Form 418,652$44.0K2026-02-09SEC
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1798155) 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 2026-10-28 · For informational purposes only, not investment advice.
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