ADTRAN HOLDINGS INC

Ticker: ADTN CUSIP: 00486H105 Class: Common Stock

Y-Intercept (Hong Kong) Ltd's Holding History (CIK: 0001772875)

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

Q4 2025

Shares 35,827 Value ($000) $311 Avg Close $8.68 Range $7.11 - $10.75

Q3 2025

Shares 24,701 Value ($000) $232 Avg Close $9.32 Range $7.95 - $10.64

Q2 2025

Shares 287,459 Value ($000) $2,579 Avg Close $7.98 Range $6.93 - $9.17

Q4 2024

Shares 17,234 Value ($000) $144 Avg Close $7.38 Range $5.67 - $9.21

Q3 2024

Shares 65,602 Value ($000) $389 Avg Close $5.57 Range $4.62 - $6.92

Q2 2024

Shares 119,930 Value ($000) $631 Avg Close $5.10 Range $4.34 - $5.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,827	$311	$8.68	$7.11 - $10.75
Q3 2025	24,701	$232	$9.32	$7.95 - $10.64
Q2 2025	287,459	$2,579	$7.98	$6.93 - $9.17
Q4 2024	17,234	$144	$7.38	$5.67 - $9.21
Q3 2024	65,602	$389	$5.57	$4.62 - $6.92
Q2 2024	119,930	$631	$5.10	$4.34 - $5.87