ACHAOGEN INC

CUSIP: 004449104 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q2 2019
Shares 230,000 Value ($000) $4 Avg Close — Range —
Q1 2019
Shares 245,000 Value ($000) $112 Avg Close — Range —
Q4 2018
Shares 168,710 Value ($000) $208 Avg Close — Range —
Q3 2018
Shares 174,400 Value ($000) $696 Avg Close — Range —
Q2 2018
Shares 94,700 Value ($000) $820 Avg Close — Range —
Q1 2018
Shares 66,200 Value ($000) $857 Avg Close — Range —