Adtran Holdings Ownership & Insider Activity

Adtran Holdings (ADTN) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 3.5% of shares outstanding. Institutional investors hold 59.1%. Over the past 90 days, insiders made 1 purchase worth $50K.

Shares Outstanding

81.481M

Shares Float

71.635M

Insider Shares Owned

2.874M

Insider % Owned

3.5%

Institutional Shares Held

47.860M

Institutional % Held

59.1%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$50K total

Sales (90d)

Net Activity

Net Buying

Net Value (90d)

$50K

Adtran Holdings Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 6, 2026	Timothy P Santo	SVP FINANCE; CFO	BUY	6.579K	$7.60	$50K
May 20, 2026	Denson James Wilson Jr	CHIEF REVENUE OFFICER	SELL	19.801K	$14.72	$137K
May 7, 2026	Christoph Glingener	CHIEF TECHNOLOGY OFFICER	SELL-OPTIONS	—	$12.85	$627K
Mar 4, 2026	Rice Hourigan Jacqueline	—	SELL	14.406K	$10.29	$148K