Stocks · Technology · Telephone & Telegraph Apparatus

ADTRAN Holdings, Inc.

ADTN Clue Score55
United States Fiscal year ends December CIK 0000926282 Results filed 3 Nov 2026

What the insiders did Net buying

Insider
Date
Role
Action
Shares
Price
Amount
Christoph Glingener
8 May 2026
Chief Technology Officer
Sold after exercise
22,277
$15.00
$334.16K
Christoph Glingener
7 May 2026
Chief Technology Officer
Sold after exercise
84,895
$15.06
$1.28M
Christoph Glingener
7 May 2026
Chief Technology Officer
Sold after exercise
41,220
$14.73
$607.17K

What was left out

Form 4 filings counted 30
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 3
Sales at will 2
Transactions with no price 0
Shares from compensation/vesting 634,087
History held since 6 Nov 2006