ADTRAN HOLDINGS INC

Ticker: ADTN CUSIP: 00486H105 Class: Common Stock

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q2 2025

Shares 115,800 Value ($000) $1,039 Avg Close $7.98 Range $6.93 - $9.17

Q1 2025

Shares 115,800 Value ($000) $1,010 Avg Close $10.06 Range $8.30 - $12.44

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	115,800	$1,039	$7.98	$6.93 - $9.17
Q1 2025	115,800	$1,010	$10.06	$8.30 - $12.44