BLACK DIAMOND THERAPEUTICS I

Ticker: BDTX CUSIP: 09203E105 Class: 0

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025

Shares 1,040,468 Value ($000) $2,528 Avg Close $3.54 Range $2.24 - $4.94

Q3 2025

Shares 896,853 Value ($000) $3,399 Avg Close $2.92 Range $2.22 - $3.84

Q2 2025

Shares 138,144 Value ($000) $343 Avg Close $1.93 Range $1.20 - $2.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,040,468	$2,528	$3.54	$2.24 - $4.94
Q3 2025	896,853	$3,399	$2.92	$2.22 - $3.84
Q2 2025	138,144	$343	$1.93	$1.20 - $2.71