Every Form 4 that ADTRAN Holdings, Inc. (ADTN) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow ADTN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full ADTN filings page.
Glingener Christoph reported acquisition or exercise transactions in this Form 4 filing.
ADTRAN Holdings, Inc. reported that Chief Technology Officer Christoph Glingener received an equity grant of 27,924 shares of common stock on 2026-08-10, reported at a price of $0.00 per share as a grant or award. Following this award, his directly held common stock position increased to 83,953 shares.
ADTRAN Holdings, Inc. SVP of Finance and CFO Timothy P. Santo purchased 6,579 shares of common stock on August 6, 2026 at $7.60 per share in a purchase categorized as an open-market or private transaction. After this buy, he directly owns 59,924 shares. The filing’s Rule 10b5-1 trading-plan checkbox was not selected.
ADTRAN Holdings, Inc. reported that Chief Technology Officer Christoph Glingener acquired 9,384 shares of common stock on July 24, 2026 through the vesting of performance stock units granted on May 24, 2023 under the Amended and Restated ADTRAN Holdings, Inc. 2020 Employee Stock Incentive Plan. Following this equity award, he directly holds 56,029 shares.
DelSanto Anne reported acquisition or exercise transactions in this Form 4 filing.
ADTRAN Holdings, Inc. director Anne DelSanto received a grant of 4,399 shares of Common Stock as a restricted stock award. The shares were granted at no cash cost and represent her entire reported direct holding of 4,399 shares after the transaction.
The award vests in full on the first anniversary of the grant date, meaning she must remain eligible through that date for the shares to fully vest. This is a compensation-related equity grant rather than an open-market purchase.
ADTRAN Holdings, Inc. Chief Revenue Officer James Denson Jr reported insider transactions in the company’s common stock. He sold 9,332 shares in an open-market transaction at a weighted average price of about $14.72 per share, with individual trade prices ranging from $14.69 to $14.765.
He also made a bona fide gift of 10,469 shares by transferring them to a donor-advised fund sponsored by a charitable organization. After these transactions, he directly holds about 143,277 shares of common stock and indirectly holds about 4,246 shares through a 401(k) plan.
ADTRAN Holdings Chief Technology Officer Christoph Glingener reported a series of option exercises and related share sales in ADTRAN Holdings, Inc. common stock. On May 7 and 8, 2026, he exercised stock options covering a total of 148,392 shares at exercise prices of $7.01 and $12.17 per share, then sold the same number of shares in open-market transactions at weighted average prices in the mid‑teens per share, including a single trade at $15.00 per share. The transactions were executed under a Rule 10b5-1 trading plan adopted on December 12, 2025. Following these trades, he directly owns 46,645 common shares and holds remaining stock options tied to 85,383 underlying shares at a $19.08 exercise price expiring on May 14, 2029.
Wilson James Denson Jr reported acquisition or exercise transactions in this Form 4 filing.
ADTRAN Holdings, Inc. Chief Revenue Officer Wilson James Denson Jr received a grant of 24,908 shares of common stock in the form of restricted stock units. These RSUs vest in four equal annual installments beginning on the first anniversary of the grant date. After this award, he directly holds about 152,609.486 shares, and indirectly holds 4,246.251 shares through a 401(k) plan.
Santo Timothy P reported acquisition or exercise transactions in this Form 4 filing.
ADTRAN Holdings, Inc. reported that SVP of Finance and CFO Timothy P. Santo received a grant of 28,252 shares of Common Stock in the form of restricted stock units at no cash cost per share. These restricted stock units vest in four equal annual installments beginning on the first anniversary of the grant date. Following this grant, Santo directly holds 53,345 shares of the company’s common stock.
STANTON THOMAS R reported acquisition or exercise transactions in this Form 4 filing.
ADTRAN Holdings, Inc. Chairman & CEO Stanton R. Thomas reported a compensation-related equity award, not an open-market trade. He received 170,723 shares of Common Stock as a grant of restricted stock units. These units vest in four equal annual installments beginning on the first anniversary of the grant date. Following this award, Thomas directly holds 1,126,553.51 shares of ADTRAN common stock.
ADTRAN Holdings SVP of Finance and CFO Timothy P. Santo reported a routine tax-withholding share transfer. On the transaction date, 1,501 shares of common stock were delivered to ADTRAN Holdings at a price of $11.90 per share to cover withholding taxes on vesting restricted stock units. After this non-market disposition, Santo directly holds 25,093 shares of ADTRAN Holdings common stock.
ADTRAN Holdings, Inc. director Jacqueline Hourigan Rice reported an open-market sale of Common Stock. She sold 14,406 shares on March 4, 2026 at a weighted average price of $10.29 per share, with individual sale prices ranging from $10.24 to $10.37.
After this sale, she directly held 13,809 shares of Common Stock. In addition, a separate line in the filing shows 62,281 shares of Common Stock held indirectly, listed under ownership "As Trustee."
ADTRAN Holdings, Inc. Chairman & CEO Stanton R. Stanton reported an amended insider transaction. On January 24, 2025, he acquired 39,735 shares of common stock as a grant or award at a stated price of $0.0000 per share, bringing his directly held shares to 815,952.51.
A prior Form 4 filing understated by 360 shares the number of shares received from performance stock units granted on March 1, 2023 under the company’s 2020 Employee Stock Incentive Plan. As a result of this correction, he beneficially owns 955,830.51 shares as of the date referenced.
ADTRAN Holdings’ Chief Revenue Officer filed an amended insider trading report to correct prior share figures. On January 26, 2026, 1,309 shares of common stock were delivered back to the company at $9.24 per share to cover withholding taxes on vesting performance stock units. After this tax withholding, the officer directly beneficially owned 127,701.486 shares of ADTRAN common stock.
ADTRAN Holdings Chief Revenue Officer James Denson Jr reported stock transactions related to performance-based equity awards. On January 26, 2026, he acquired 3,777 shares of common stock at $0 upon the vesting of performance stock units granted on January 20, 2023 under the company’s 2020 Employee Stock Incentive Plan.
On the same date, 1,087 shares were surrendered at $9.24 per share to cover withholding taxes due from the vesting. After these transactions, he directly held 127,923.486 common shares and indirectly held 4,246.809 shares through a 401(k) plan.
ADTRAN Holdings Chairman & CEO Stanton Thomas reported routine equity compensation activity involving company common stock. On January 26, 2026, he acquired 27,973 shares of common stock at $0 upon vesting of previously granted performance stock units under the company’s 2020 Employee Stock Incentive Plan.
On the same date, 12,407 shares were delivered back to ADTRAN at $9.24 per share to cover withholding taxes due on the vesting. After these transactions, Thomas directly owned 955,470.51 shares of ADTRAN common stock.
ADTRAN Holdings’ Chief Revenue Officer Wilson James Denson Jr reported share transfers tied to tax withholding on vested equity awards. On January 24, 2026, 1,227 shares of common stock were delivered back to the company at $9.55 per share. On January 26, 2026, a further 998 shares were delivered at $9.73 per share. After these transactions, he held 125,233.486 shares of common stock directly and 4,246.809 shares indirectly through a 401(k) plan. The filing explains that the shares were surrendered to cover withholding taxes upon vesting of previously granted restricted stock units.
ADTRAN Holdings, Inc. Chairman & CEO Stanton Thomas R reported routine share-withholding transactions related to equity compensation. On January 24, 2026, 17,535 shares of common stock at $9.55 per share were delivered to the company to cover withholding taxes on vested restricted stock units.
On January 26, 2026, an additional 14,409 shares at $9.73 per share were similarly delivered for tax withholding. After these transactions, Thomas directly held 939,904.51 shares of ADTRAN common stock.
ADTRAN Holdings, Inc. Chief Revenue Officer Wilson James Denson Jr reported a routine share withholding transaction. On 01/20/2026, 765 shares of common stock were delivered to ADTRAN at a price of $9.24 per share to cover withholding taxes due on the vesting of previously granted restricted stock units. After this transaction, Denson directly beneficially owned 127,458.486 shares of common stock and indirectly held 4,246.809 shares of common stock through a 401(k) plan. This reflects tax-related administration of equity compensation rather than an open-market sale.
ADTRAN Holdings, Inc. insider tax-withholding share delivery: Chairman & CEO and director Stanton Thomas R reported a transaction in ADTRAN Holdings common stock. On 01/20/2026, 10,247 shares of common stock were delivered to the company at a price of $9.24 per share to cover withholding taxes due on the vesting of previously granted restricted stock units. Following this tax-related transaction, Stanton Thomas R directly beneficially owned 971,848.51 shares of ADTRAN Holdings common stock.
ADTRAN Holdings, Inc. (ADTN) reported an insider purchase of its common stock by a reporting person who is both a Director and the Chairman & CEO. On 11/24/2025, this individual acquired 40,928 shares of ADTRAN common stock in an open-market transaction coded as a purchase. The weighted average purchase price reported was $7.33 per share, with individual trades executed between $7.32 and $7.33.
Following this transaction, the reporting person beneficially owns 982,095.51 shares of ADTRAN common stock in direct form. The filing notes that detailed information on the number of shares purchased at each separate price within the stated range is available upon request.
ADTRAN Holdings, Inc. (ADTN) filed a Form 4 reporting a small insider share disposition tied to tax withholding. The company’s Chief Revenue Officer reported that on 11/17/2025, 468 shares of common stock were withheld and delivered to the issuer at $7.33 per share to cover withholding taxes due upon vesting of previously granted restricted stock units. After this administrative transaction, the officer beneficially owns 128,223.486 shares of ADTRAN common stock directly and 4,246.809 shares indirectly through a 401(k) plan. This filing reflects routine equity compensation and tax settlement activity rather than an open-market sale.
ADTRAN Holdings (ADTN) Chairman and CEO reported a Form 4 transaction reflecting shares withheld for taxes. On 11/17/2025, 3,355 shares of common stock were disposed of in a transaction coded "F," meaning the shares were delivered back to the company to cover withholding taxes due on the vesting of previously granted restricted stock units.
After this tax-related share withholding, the reporting person directly beneficially owned 941,167.51 shares of ADTRAN Holdings common stock. The filing is an administrative update to reflect equity compensation and related tax obligations rather than an open-market stock sale.