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Mon, May 4, 2026
May 4
sold $63.35k of SPRO
25,240 shares @ $2.51
Decreased holdings by -2.50%
4th largest trade (out of 17)
Trade made by an officer
Unscheduled trade
57% win rate · +7.5% median edge vs SPY (7 trades, 90-day · small sample)
Price 8% above 200-day moving average
Micro Cap stock — higher insider information edge
SPROSpero Therapeutics, Inc.
HealthcareBiotechnology
1D0.00%
1W-2.65%
1M-26.17%
3M
6M
1Y

Recent insider activity at SPRO

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