Glingener Christoph bought ADTN
May 7, 2026 · Form 4 insider transaction
Glingener Christoph bought 41,220 shares of ADTRAN Holdings, Inc. at $7.01 per share, a transaction worth $289.0K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
41,220
Price
$7.01
Total value
$289.0K
InsiderGlingener Christoph
RoleOfficer
CompanyADTRAN Holdings, Inc. (ADTN)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMay 7, 2026
Filing dateMay 11, 2026
Shares owned after87,865
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The transactions reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2025.