ZIOPHARM ONCOLOGY INC

CUSIP: 98973P101 Class: COMMON

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2022
Shares 271,056 Value ($000) $177 Avg Close — Range —
Q4 2021
Shares 294,956 Value ($000) $322 Avg Close — Range —
Q3 2021
Shares 288,592 Value ($000) $525 Avg Close — Range —
Q2 2021
Shares 288,999 Value ($000) $763 Avg Close — Range —
Q1 2021
Shares 321,607 Value ($000) $1,158 Avg Close — Range —
Q4 2020
Shares 321,607 Value ($000) $810 Avg Close — Range —
Q3 2020
Shares 321,607 Value ($000) $810 Avg Close — Range —
Q2 2020
Shares 321,419 Value ($000) $1,054 Avg Close — Range —
Q1 2020
Shares 281,461 Value ($000) $690 Avg Close — Range —
Q4 2019
Shares 245,171 Value ($000) $1,157 Avg Close — Range —
Q3 2019
Shares 250,124 Value ($000) $1,071 Avg Close — Range —
Q2 2019
Shares 247,136 Value ($000) $1,441 Avg Close — Range —
Q1 2019
Shares 201,455 Value ($000) $776 Avg Close — Range —
Q4 2018
Shares 207,167 Value ($000) $387 Avg Close — Range —
Q3 2018
Shares 202,693 Value ($000) $649 Avg Close — Range —
Q2 2018
Shares 201,362 Value ($000) $608 Avg Close — Range —
Q1 2018
Shares 200,102 Value ($000) $784 Avg Close — Range —
Q4 2017
Shares 207,117 Value ($000) $857 Avg Close — Range —
Q3 2017
Shares 209,152 Value ($000) $1,284 Avg Close — Range —
Q2 2017
Shares 232,749 Value ($000) $1,448 Avg Close — Range —
Q1 2017
Shares 239,349 Value ($000) $1,517 Avg Close — Range —
Q4 2016
Shares 250,649 Value ($000) $1,341 Avg Close — Range —
Q3 2016
Shares 257,249 Value ($000) $1,448 Avg Close — Range —
Q2 2016
Shares 254,849 Value ($000) $1,399 Avg Close — Range —
Q1 2016
Shares 242,915 Value ($000) $1,802 Avg Close — Range —
Q4 2015
Shares 212,521 Value ($000) $1,766 Avg Close — Range —
Q3 2015
Shares 209,167 Value ($000) $1,885 Avg Close — Range —
Q2 2015
Shares 209,467 Value ($000) $2,514 Avg Close — Range —
Q1 2015
Shares 166,383 Value ($000) $1,792 Avg Close — Range —
Q4 2014
Shares 149,783 Value ($000) $759 Avg Close — Range —
Q3 2014
Shares 149,142 Value ($000) $394 Avg Close — Range —
Q2 2014
Shares 148,191 Value ($000) $597 Avg Close — Range —
Q1 2014
Shares 145,591 Value ($000) $667 Avg Close — Range —
Q4 2013
Shares 145,591 Value ($000) $632 Avg Close — Range —
Q3 2013
Shares 120,891 Value ($000) $478 Avg Close — Range —
Q2 2013
Shares 117,171 Value ($000) $246 Avg Close — Range —
Q1 2013
Shares 115,379 Value ($000) $211 Avg Close — Range —