INTEGRAL AD SCIENCE HLDNG CO

CUSIP: 45828L108 Class: Common Stock

Blackstone Inc.'s Holding History (CIK: 0001393818)

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

Q4 2021
Shares 200,000 Value ($000) $4,442 Avg Close — Range —
Q3 2021
Shares 250,000 Value ($000) $5,158 Avg Close — Range —
Q2 2021
Shares 250,000 Value ($000) $5,145 Avg Close — Range —