Updated Jul 16, 2026
Keutzer Timothy is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $149K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-10 | SPRO | Spero Therapeutics, Inc. | S — Open-market sale | 18.7K | $2.36 | $44K |
| 2026-02-05 | SPRO | Spero Therapeutics, Inc. | S — Open-market sale | 3.5K | $2.24 | $8K |
| 2026-02-05 | SPRO | Spero Therapeutics, Inc. | S — Open-market sale | 24.2K | $2.14 | $52K |
| 2026-02-05 | SPRO | Spero Therapeutics, Inc. | S — Open-market sale | 18.9K | $2.20 | $42K |
| 2026-02-05 | SPRO | Spero Therapeutics, Inc. | A — Grant or award | 68.0K | $0.00 | |
| 2025-08-28 | SPRO | Spero Therapeutics, Inc. | S — Open-market sale | 1.7K | $1.97 | $3K |
Keutzer Timothy is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 5 open-market sales ($149K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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