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Adtran Holdings, Inc. planned insider sales

In the last twelve months insiders at Adtran Holdings, Inc. filed 3 Form 144 notices of planned sales, 172,130 shares worth $2.6 million at the time of filing, from 3 sellers. The latest, filed 20 May 2026: James D Wilson Jr (officer), 9,332 shares worth $137,409, planned for around 20 May 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
20 May 2026James D Wilson JrOfficer9,332$137,40920 May 20269,332 shares from 20 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
7 May 2026Christoph GlingenerOfficer148,392$2.3 million7 May 2026148,392 shares from 7 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
4 March 2026Jacqueline H RiceDirector14,406$148,2674 March 202614,406 shares from 4 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?