GRITSTONE BIO INC

CUSIP: 39868T105 Class: Common Stock

MARK SHEPTOFF FINANCIAL PLANNING, LLC's Holding History (CIK: 0001607355)

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

Q2 2021
Shares 601 Value ($000) $5 Avg Close — Range —
Q1 2021
Shares 351 Value ($000) $3 Avg Close — Range —