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sellWeak

Timothy Keutzer sold $44k of SPRO

Chief Operating Officer at Spero Therapeutics, Inc.. 56,537 shares at an average of $0.78, traded Feb 5, 2025, filed Feb 5, 2025.

Warning score
26
Value
$44k
56,537 shares
Holdings after
741,439
-7% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    COO
    +20
  • Trade size
    $44k at market
    +6
  • Share of holdings sold
    Sold 7.1% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -11.2%, 3m -34.1%, 6m +157.7%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SPROOct 12, 2026 · close 1.18
Since filing Feb 5, 2025: +34.5%SPY +31.3% · excess +3.2%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000950170-25-014866, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 3, 2025AGrant or award
Common Stock
+266,139$0.00$0797,976Feb 5, 2025
Feb 5, 2025SOpen-market sale
Common Stock
-3,974$0.78$3,100794,002Feb 5, 2025
Feb 5, 2025SOpen-market sale
Common Stock
-27,643$0.78$22k766,359Feb 5, 2025
Feb 5, 2025SOpen-market sale
Common Stock
-24,920$0.78$19k741,439Feb 5, 2025

Related signals

Other insiders at Spero Therapeutics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
23Weak
SPROsell
Spero Therapeutics, Inc.
Esther Rajavelu
See Remarks
$63k
25,240 shares
-2%
34Weak
SPROsell 2
Spero Therapeutics, Inc.
Timothy Keutzer
Chief Operating Officer
$44k
18,652 shares
-2%
35Weak
SPROsell 2
Spero Therapeutics, Inc.
Esther Rajavelu
See Remarks
$207k
87,917 shares
-8%
38Weak
SPROsell 2
Spero Therapeutics, Inc.
Timothy Keutzer
Chief Operating Officer
$101k
46,586 shares
-6%
29Weak
SPROsell 2
Spero Therapeutics, Inc.
Esther Rajavelu
See Remarks
$41k
18,442 shares
-2%
25Weak
SPROsell
Spero Therapeutics, Inc.
Esther Rajavelu
See Remarks
$95k
40,270 shares
-4%
28Weak
SPROsell 2
Spero Therapeutics, Inc.
Timothy Keutzer
Chief Operating Officer
$3,339
1,695 shares
-0%
23Weak
SPROsell 2
Spero Therapeutics, Inc.
Ankit Mahadevia
director
$13k
6,572 shares
-1%
29Weak
SPROsell
Spero Therapeutics, Inc.
Esther Rajavelu
CFO & CBO
$53k
40,596 shares
-10%
36Weak
SPROsell 5
Spero Therapeutics, Inc.
Kamal Hamed
Chief Medical Officer
$38k
28,075 shares
-3%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Timothy Keutzer sold $44k of SPRO | InsiderTell