InsiderTrades

Keutzer Timothy

SEC CIK 1798155 · EDGAR

Buying vs selling by month open-market trades, last 44 months, SPRO
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SPROSpero Therapeutics, Inc.Chief Development Off 742.5K — $246.4K 142021-08-262026-02-06

Most active insiders at SPRO, 12 months

#InsiderTitleBoughtSold
1 Rajavelu EstherSee Remarks —$406.8K
2 Keutzer TimothyCOO —$145.2K
3 Tregoning KathleenDir ——
4 Zack DebraChief Medical Off ——
5 Smith CynthiaDir ——
6 Jackson Scott ThomasDir ——
7 VINK PATRICK V.J.J.Dir ——
8 Deshpande MilindDir ——
9 Pottage John C JrDir ——
10 THOMAS FRANK EDir ——

Transactions 14

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-02-09 2026-02-06 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO S - Sale $2.36 -18.7K 742.5K -2% -$44.0K
DM 2026-02-05 2026-02-02+ SPRO Spero Therapeutics, Inc. Keutzer Timothy COO S - Sale $2.17 -46.6K 788.9K -6% -$101.2K
D 2026-02-05 2026-02-02 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO A - Grant $0.00 +68.0K 807.7K +9% $0
2025-09-03 2025-08-28 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO S - Sale $1.97 -1,695 739.7K -0.2% -$3,339
2025-02-05 2025-02-03 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO A - Grant $0.00 +266.1K 798.0K +50% $0
M 2025-02-05 2025-02-05 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO S - Sale $0.78 -56.5K 794.0K -7% -$44.1K
2024-08-29 2024-08-27 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO S - Sale $1.35 -2,213 531.8K -0.4% -$2,988
2024-02-05 2024-02-01 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO A - Grant $0.00 +239.7K 565.0K +74% $0
2024-02-05 2024-02-02 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO S - Sale $1.36 -31.0K 534.0K -5% -$42.1K
2023-08-30 2023-08-28 SPRO Spero Therapeutics, Inc. Keutzer Timothy Chief Development Off S - Sale $1.26 -1,854 325.3K -0.6% -$2,336
2023-02-03 2023-02-01 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO A - Grant $0.00 +266.0K 330.5K +412% $0
2023-02-03 2023-02-02 SPRO Spero Therapeutics, Inc. Keutzer Timothy COO S - Sale $1.86 -3,394 327.1K -1% -$6,313
D 2022-02-03 2022-02-01 SPRO Spero Therapeutics, Inc. Keutzer Timothy Chief Development Off A - Grant $0.00 +38.0K 64.6K +143% $0
2021-08-30 2021-08-26 SPRO Spero Therapeutics, Inc. Keutzer Timothy Chief Development Off A - Grant $0.00 +24.1K 26.6K +963% $0

Purchase Sale Sale after option exercise All abbreviations