Stocks · Health care · Pharmaceutical Preparations

Spero Therapeutics, Inc.

SPRO Clue Score50

United States Fiscal year ends December CIK 0001701108 Results filed 12 Aug 2026

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What the insiders did Net selling

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$552.04K

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$552.04K

9 of 9 sales

Net

−$552.04K

−$552.04K against sales at will