SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

Note: Option positions (PUT/CALL) are excluded.

Q3 2020
Shares 43,908 Value ($000) $491 Avg Close $11.83 Range $8.50 - $14.37
Q2 2020
Shares 77,408 Value ($000) $1,049 Avg Close $11.23 Range $6.88 - $14.48