Adtran Holdings, INC Form 4 insider transactions

Christoph Glingener, Chief Technology Officer of ADTRAN Holdings, Inc., received 27,924 shares of common stock on August 10, 2026.

Timothy P Santo, SVP of Finance; CFO of ADTRAN Holdings, Inc., purchased 6,579 shares of common stock on August 6, 2026 for $7.60 per share.

Christoph Glingener, Chief Technology Officer of ADTRAN Holdings, Inc., received 9,384 shares of common stock on July 24, 2026.

ADTRAN Holdings, Inc. reports a restricted stock award grant to Director Anne Del Santo, vesting in one year.

ADTRAN Holdings Chief Technology Officer Christoph Glingener executed a series of stock transactions on May 7th and 8th, 2026, under a Rule 10b5-1 trading plan.

ADTRAN Holdings Chief Revenue Officer James Denson Jr. was granted 24,908 restricted stock units, vesting over four years.

ADTRAN Holdings, Inc. reports that Chief Financial Officer Timothy P. Santo was granted 28,252 restricted stock units on April 1, 2026, vesting annually over four years.

ADTRAN Holdings, Inc. reports a Form 4 filing detailing the acquisition of common stock by Chairman & CEO Thomas R. Stanton.

ADTRAN Holdings, Inc.'s SVP of Finance and CFO, Timothy P. Santo, disposed of 1,501 shares of common stock to cover tax obligations related to vested restricted stock units.

ADTRAN Holdings Director Jacqueline Hourigan Rice sold 14,406 shares of common stock at a weighted average price of $10.29 per share, pursuant to a pre-arranged 10b5-1 plan.

ADTRAN Holdings, Inc. Chairman & CEO Thomas R. Stanton filed an amended Form 4 to correct an understatement of shares received from performance stock unit settlement.

ADTRAN's Chief Revenue Officer, James Denson Wilson Jr., filed an amended Form 4 to correct the number of shares withheld for taxes related to a performance stock unit vesting event.

ADTRAN Holdings' Chief Revenue Officer, James Denson Jr., reported the vesting of performance stock units and subsequent tax-related share disposition.

ADTRAN Holdings, Inc. Chairman & CEO Thomas R. Stanton acquired 27,973 shares through performance stock unit vesting, while 12,407 shares were withheld for taxes.

ADTRAN Holdings' Chief Revenue Officer, James Denson Jr., disposed of common stock to cover tax liabilities from vested restricted stock units.

ADTRAN Holdings' Chairman and CEO, Thomas R. Stanton, disposed of shares to cover tax obligations arising from restricted stock unit vesting.

ADTRAN Holdings' Chief Revenue Officer, James Denson Jr., disposed of 765 shares of common stock to cover tax liabilities from restricted stock unit vesting.

ADTRAN Holdings CEO Thomas R. Stanton reported the disposition of 10,247 shares of common stock to cover tax obligations related to restricted stock unit vesting.

ADTRAN Holdings, Inc. Director Kathryn A Walker was granted 13,809 shares of common stock as a restricted stock award, vesting on December 31, 2026.

ADTRAN Holdings, Inc. Director Nikos Theodosopoulos was granted 13,809 shares of common stock as a restricted stock award.

ADTRAN Holdings, Inc. Director Gregory James McCray was granted 13,809 shares of common stock as a restricted stock award.

ADTRAN Holdings Director Balan Nair was granted 13,809 shares of common stock as a restricted stock award, vesting on the first anniversary of the grant date.

ADTRAN Holdings Director H. Fenwick Huss was granted 13,809 shares of restricted common stock, vesting on December 31, 2026.

ADTRAN Holdings, Inc. Director Jacqueline Hourigan Rice was granted 13,809 shares of common stock as a restricted stock award, vesting fully on December 31, 2026.

ADTRAN Holdings' SVP of Finance and CFO, Timothy P. Santo, acquired 6,150 shares of common stock, increasing his beneficial ownership.

ADTRAN Holdings Director Nikos Theodosopoulos purchased 12,859 shares of common stock at a weighted average price of $7.81.

ADTRAN Holdings, Inc. Chairman and CEO Thomas R. Stanton acquired 40,928 shares of common stock for approximately $300,000, signaling strong insider confidence.

ADTRAN Holdings' Chief Revenue Officer, James Denson Jr., disposed of 468 shares of common stock for tax withholding purposes.

ADTRAN Holdings, Inc. Chairman and CEO Thomas R. Stanton reported a planned disposition of 3,355 common shares for tax withholding purposes related to restricted stock unit vesting on November 17, 2025.

ADTRAN Holdings, Inc. Chairman and CEO Thomas R. Stanton reported the disposition of 5,663 shares of common stock on July 13, 2025, to cover tax obligations related to vested restricted stock units.