NASDAQ: ADTN
Adtran Holdings Inc Stock Ownership - Who owns Adtran Holdings?

Insider buying vs selling

Have Adtran Holdings Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Timothy P. SantoCFO;SVP2026-08-066,579$7.60
$50.00kBuy
James Denson Wilson Jr.Chief Revenue Officer2026-05-209,332$14.72
$137.37kSell
Christoph GlingenerChief Technology Officer2026-05-0822,277$12.17
$271.11kBuy
Christoph GlingenerChief Technology Officer2026-05-0822,277$15.00
$334.16kSell
Christoph GlingenerChief Technology Officer2026-05-0741,220$7.01
$288.95kBuy
Christoph GlingenerChief Technology Officer2026-05-0741,220$14.73
$607.17kSell
Christoph GlingenerChief Technology Officer2026-05-0784,895$12.17
$1.03MBuy
Christoph GlingenerChief Technology Officer2026-05-0784,895$15.06
$1.28MSell
Timothy P. SantoSVP of Finance CFO2026-03-191,501$11.90
$17.86kSell
Hourigan Rice JacquelineDirector2026-03-0414,406$10.29
$148.24kSell

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Net Insider Buy/Sell (L12M) Ownership

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ADTN Shareholders

What type of owners hold Adtran Holdings Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Mark C. Smith9.82%7,997,600$56.78MInsider
Linda Jones Smith7.46%6,075,082$43.13MInsider
Mark Clay Smith5.82%4,744,091$33.68MInsider
Thomas R. Stanton1.38%1,126,553$8.00MInsider
Brian Protiva0.46%372,906$2.65MInsider
James Denson Wilson Jr.0.18%144,955$1.03MInsider
Balan Nair0.15%125,373$890.15kInsider
Michael Foliano0.13%107,713$764.76kInsider
H. Fenwick Huss0.13%107,600$763.96kInsider
Kathryn A. Walker0.12%98,663$700.51kInsider

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ADTN vs Communication Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ADTN0.10%26.83%Net SellingNet Buying
NTGR0.10%14.17%Net SellingNet Selling
FEIM0.08%70.89%Net SellingNet Selling
TSAT0.28%0.93%
AIOT0.09%22.89%Net SellingNet Selling

Adtran Holdings Stock Ownership FAQ

Who owns Adtran Holdings?

Adtran Holdings (NASDAQ: ADTN) is owned by 0.10% institutional shareholders, 26.83% Adtran Holdings insiders, and 73.06% retail investors. Mark C. Smith is the largest individual Adtran Holdings shareholder, owning 8.00M shares representing 9.82% of the company. Mark C. Smith's Adtran Holdings shares are currently valued at $56.78M.

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