RAPID7 INC

Ticker: RPD CUSIP: 753422104 Class: Common Stock

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q1 2022

Shares 14,997 Value ($000) $1,668 Avg Close $100.43 Range $85.00 - $118.42

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	14,997	$1,668	$100.43	$85.00 - $118.42