Adtran Inc ADTN
We take great care to ensure that the data presented and summarized in this overview for ADTRAN INC is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding ADTN
View all-
Vanguard Group Inc Valley Forge, PA8.38MShares$62.6 Million0.0% of portfolio
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Black Rock Inc. New York, NY6.6MShares$49.3 Million0.0% of portfolio
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Divisar Capital Management LLC San Francisco, CA3.21MShares$24 Million8.28% of portfolio
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William Blair Investment Management, LLC Chicago, IL2.74MShares$20.4 Million0.07% of portfolio
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Royce & Associates LP2.41MShares$18 Million0.24% of portfolio
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State Street Corp Boston, MA1.9MShares$14.2 Million0.0% of portfolio
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Geode Capital Management, LLC Boston, MA1.77MShares$13.2 Million0.0% of portfolio
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Ken Griffin Citadel Advisors LLC | Chicago, Il1.22MShares$9.1 Million0.0% of portfolio
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First Eagle Investment Management, LLC1.21MShares$9.03 Million0.02% of portfolio
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Ophir Asset Management Pty LTD1.2MShares$9 Million1.41% of portfolio
Latest Institutional Activity in ADTN
Top Purchases
Top Sells
About ADTN
ADTRAN Holdings, Inc., through its subsidiaries, provides end-to-end fiber networking solutions for communications service provider, enterprises, and government customers in the United States, Germany, the United Kingdom, Mexico, and internationally. It operates through two segments, Network Solutions, and Services & Support. The company offers fiber access and fiber to the node platforms; transceivers, cables, and other miscellaneous materials; passive optical network optical line terminals; fiber to the distribution point Gfast distribution point units; cabinet and outside plant enclosures and services; packet optical transports; fixed wireless access platforms; and network management and subscriber services, and control and orchestration software. It also provides broadband customer premises solutions, ethernet switches and routers, residential gateways, cloud-based software-as-a-service management platforms, virtual wireless local area networks, Internet of Things gateways, pre-sale and post-sale technical support, and multi-gigabit mesh Wi-Fi gateways. In addition, the company offers time division multiplexed and asynchronous transfer mode-based aggregation systems and customer devices; and high-bit-rate and asymmetric digital subscriber line, and other technologies. Further, it provides other access and aggregation, subscriber and experience, and traditional and other products, software, and services. Additionally, the company engages in the provision of planning, engineering, program management, maintenance, installation, and commissioning services to implement customer network solutions; and customer devices solutions into consumer, small business, and enterprise locations. ADTRAN Holdings, Inc. is headquartered in Huntsville, Alabama.
Insider Transactions at ADTN
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 28
2025
|
Timothy P Santo SVP of Finance; CFO |
BUY
Open market or private purchase
|
Direct |
6,150
+18.78%
|
$49,200
$8.02 P/Share
|
|
Nov 26
2025
|
Nikos Theodosopoulos |
BUY
Open market or private purchase
|
Direct |
12,859
+19.78%
|
$90,013
$7.81 P/Share
|
|
Nov 24
2025
|
Thomas R Stanton Chairman & CEO |
BUY
Open market or private purchase
|
Direct |
40,928
+4.0%
|
$286,496
$7.33 P/Share
|
|
Nov 17
2025
|
Thomas R Stanton Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
3,355
-0.36%
|
$23,485
$7.33 P/Share
|
|
Nov 17
2025
|
James Denson Wilson Jr Chief Revenue Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
468
-0.36%
|
$3,276
$7.33 P/Share
|
|
Jul 13
2025
|
Thomas R Stanton Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
5,663
-0.6%
|
$50,967
$9.2 P/Share
|
|
Apr 13
2025
|
Thomas R Stanton Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
5,408
-0.57%
|
$37,856
$7.62 P/Share
|
|
Mar 19
2025
|
Timothy P Santo SVP of Finance; CFO |
BUY
Grant, award, or other acquisition
|
Direct |
20,444
+50.0%
|
-
|
|
Jan 26
2025
|
James Denson Wilson Jr Chief Revenue Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
845
-0.65%
|
$8,450
$10.31 P/Share
|
|
Jan 26
2025
|
Ulrich Dopfer Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,167
-2.36%
|
$11,670
$10.31 P/Share
|
|
Jan 26
2025
|
Thomas R Stanton Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
9,536
-0.99%
|
$95,360
$10.31 P/Share
|
|
Jan 24
2025
|
James Denson Wilson Jr Chief Revenue Officer |
BUY
Grant, award, or other acquisition
|
Direct |
30,259
+10.86%
|
-
|
|
Jan 24
2025
|
James Denson Wilson Jr Chief Revenue Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
4,208
-3.52%
|
$42,080
$10.31 P/Share
|
|
Jan 24
2025
|
Ulrich Dopfer Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
32,675
+27.58%
|
-
|
|
Jan 24
2025
|
Ulrich Dopfer Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
4,613
-12.27%
|
$46,130
$10.31 P/Share
|
|
Jan 24
2025
|
Christoph Glingener Chief Technology Officer |
BUY
Grant, award, or other acquisition
|
Direct |
27,777
+26.36%
|
-
|
|
Jan 24
2025
|
Thomas R Stanton Chairman & CEO |
BUY
Grant, award, or other acquisition
|
Direct |
199,219
+9.41%
|
-
|
|
Jan 24
2025
|
Thomas R Stanton Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
10,307
-1.26%
|
$103,070
$10.31 P/Share
|
|
Jan 20
2025
|
Thomas R Stanton Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
6,395
-0.82%
|
$63,950
$10.19 P/Share
|
|
Jan 20
2025
|
James Denson Wilson Jr Chief Revenue Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
765
-0.73%
|
$7,650
$10.19 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 397K shares |
|---|---|
| Open market or private purchase | 59.9K shares |
| Bona fide gift | 16.3K shares |
|---|---|
| Payment of exercise price or tax liability | 58.7K shares |