PENUMBRA INC

Ticker: PEN CUSIP: 70975L107 Class: EQTY

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

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

Q4 2025

Shares 173,846 Value ($000) $54,050 Avg Close $276.19 Range $221.26 - $321.38

Q3 2025

Shares 122,409 Value ($000) $31,009 Avg Close $252.23 Range $225.48 - $288.91

Q2 2025

Shares 39,358 Value ($000) $10,100 Avg Close $272.19 Range $246.45 - $308.99

Q2 2018

Shares 13,000 Value ($000) $1,796 Avg Close $142.36 Range $111.15 - $167.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	173,846	$54,050	$276.19	$221.26 - $321.38
Q3 2025	122,409	$31,009	$252.23	$225.48 - $288.91
Q2 2025	39,358	$10,100	$272.19	$246.45 - $308.99
Q2 2018	13,000	$1,796	$142.36	$111.15 - $167.35