ADTRAN HOLDINGS INC

Ticker: ADTN CUSIP: 00486H105 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 686,940 Value ($000) $5,970 Avg Close $8.68 Range $7.11 - $10.75

Q3 2025

Shares 688,439 Value ($000) $6,458 Avg Close $9.32 Range $7.95 - $10.64

Q2 2025

Shares 682,069 Value ($000) $6,118 Avg Close $7.98 Range $6.93 - $9.17

Q1 2025

Shares 704,272 Value ($000) $6,141 Avg Close $10.06 Range $8.30 - $12.44

Q4 2024

Shares 756,898 Value ($000) $6,305 Avg Close $7.38 Range $5.67 - $9.21

Q3 2024

Shares 880,973 Value ($000) $5,224 Avg Close $5.57 Range $4.62 - $6.92

Q2 2024

Shares 1,016,458 Value ($000) $5,347 Avg Close $5.10 Range $4.34 - $5.87

Q1 2024

Shares 1,140,262 Value ($000) $6,203 Avg Close $6.38 Range $5.19 - $7.66

Q4 2023

Shares 1,020,021 Value ($000) $7,487 Avg Close $6.59 Range $4.91 - $8.56

Q3 2023

Shares 912,428 Value ($000) $7,509 Avg Close $8.83 Range $6.92 - $10.84

Q2 2023

Shares 801,908 Value ($000) $8,444 Avg Close $9.75 Range $7.73 - $15.55

Q1 2023

Shares 768,059 Value ($000) $12,181 Avg Close $16.92 Range $14.49 - $19.68

Q4 2022

Shares 782,379 Value ($000) $14,701 Avg Close $19.51 Range $17.59 - $22.50

Q3 2022

Shares 788,233 Value ($000) $15,434 Avg Close $21.11 Range $16.78 - $24.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	686,940	$5,970	$8.68	$7.11 - $10.75
Q3 2025	688,439	$6,458	$9.32	$7.95 - $10.64
Q2 2025	682,069	$6,118	$7.98	$6.93 - $9.17
Q1 2025	704,272	$6,141	$10.06	$8.30 - $12.44
Q4 2024	756,898	$6,305	$7.38	$5.67 - $9.21
Q3 2024	880,973	$5,224	$5.57	$4.62 - $6.92
Q2 2024	1,016,458	$5,347	$5.10	$4.34 - $5.87
Q1 2024	1,140,262	$6,203	$6.38	$5.19 - $7.66
Q4 2023	1,020,021	$7,487	$6.59	$4.91 - $8.56
Q3 2023	912,428	$7,509	$8.83	$6.92 - $10.84
Q2 2023	801,908	$8,444	$9.75	$7.73 - $15.55
Q1 2023	768,059	$12,181	$16.92	$14.49 - $19.68
Q4 2022	782,379	$14,701	$19.51	$17.59 - $22.50
Q3 2022	788,233	$15,434	$21.11	$16.78 - $24.69