ADTRAN HOLDINGS INC

Ticker: ADTN CUSIP: 00486H105 Class: Common Stock

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q4 2025

Shares 439,946 Value ($000) $3,823 Avg Close $8.68 Range $7.11 - $10.75

Q3 2025

Shares 178,209 Value ($000) $1,672 Avg Close $9.32 Range $7.95 - $10.64

Q1 2023

Shares 32,118 Value ($000) $509 Avg Close $16.92 Range $14.49 - $19.68

Q3 2022

Shares 90,453 Value ($000) $1,771 Avg Close $21.11 Range $16.78 - $24.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	439,946	$3,823	$8.68	$7.11 - $10.75
Q3 2025	178,209	$1,672	$9.32	$7.95 - $10.64
Q1 2023	32,118	$509	$16.92	$14.49 - $19.68
Q3 2022	90,453	$1,771	$21.11	$16.78 - $24.69