EASTERN BANKSHARES INC

Ticker: EBC CUSIP: 27627N105 Class: Common Stock

Quantum Portfolio Management LLC's Holding History (CIK: 0002003672)

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

Q4 2025

Shares 51,169 Value ($000) $943 Avg Close $18.22 Range $16.50 - $20.19

Q3 2025

Shares 81,935 Value ($000) $1,487 Avg Close $16.30 Range $14.66 - $18.30

Q2 2025

Shares 54,908 Value ($000) $838 Avg Close $14.71 Range $13.20 - $16.15

Q1 2025

Shares 52,616 Value ($000) $863 Avg Close $16.94 Range $14.92 - $18.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,169	$943	$18.22	$16.50 - $20.19
Q3 2025	81,935	$1,487	$16.30	$14.66 - $18.30
Q2 2025	54,908	$838	$14.71	$13.20 - $16.15
Q1 2025	52,616	$863	$16.94	$14.92 - $18.59