Stonepine Capital Management’s Spero Therapeutics SPRO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$455K	Buy	+156,888	New	+$455K	0.45%	41
2018 Q4	–	Sell	-226,444	Closed	-$2.38M	–	27
2018 Q3	$2.38M	Buy	+226,444	New	+$2.38M	1.39%	21