Glingener Christoph sold ADTN
May 8, 2026 · Form 4 insider transaction
Glingener Christoph sold 22,277 shares of ADTRAN Holdings, Inc. at $15.00 per share, a transaction worth $334.2K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Disposed (sell-side)
Shares
22,277
Price
$15.00
Total value
$334.2K
InsiderGlingener Christoph
RoleOfficer
CompanyADTRAN Holdings, Inc. (ADTN)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 8, 2026
Filing dateMay 11, 2026
Shares owned after46,645
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.; These shares were sold in a single transaction at $15.00 per share.