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ADTRAN Holdings, Inc. Stock: price and insider trades · Germany
1 insider bought €43k of shares over the last 90 days, the latest filed 07 Aug 2026.
ADTRAN Holdings, Inc.: what insiders have been doing
Every trade that managers of ADTRAN Holdings, Inc. disclose to BaFin is tracked on this page. The company sits in the Technology sector. From 18 October 2025 to 18 October 2026, the disclosure feed for ADTRAN Holdings, Inc. logged 71 filings by 29 insiders.
Purchases and sales both appear in the filings: 4 purchases (3 insiders, €433k) and 2 sales (2 insiders, €246k). Taken together, the purchases exceed the sales by €187k. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. At €261k, the purchase published on 25 November 2025 by Stanton Thomas R is the largest of the period. The buyers include 1 finance chief, 1 senior executive and 1 chief executive.
In all, 2 purchases were made within 30 days of a purchase by another insider of the company. Purchases made close together by different insiders form what is called a cluster. The latest purchase dates back some time: it was published 72 days ago, on 7 August 2026. Filings reach the BaFin feed a median of 5 days after the trade. Under the Market Abuse Regulation, managers have three business days to notify their trades.
For context, the typical company on the same exchange (median of 287 companies) published 5 filings over the same period, against 71 filings here. Looking back to 2022, when coverage begins, insiders filed 10 purchases and 2 sales.
In the same sector, recent insider purchases at Core Scientific, Inc./tx and Gitlab Inc. also feature in our signals. These figures are compiled from regulatory filings published by BaFin. They describe what insiders did and are not a recommendation.
Insider Decl.
194
Thresholds
n/a
Buy Volume
€455,874
10 ops. · all time
Sell Volume
€245,818
2 ops. · all time
Who traded when
BuySaleTimothy P. Santo2 buys
Jacqueline Hourigan Rice1 sale
James Denson Wilson Jr.1 sale
Theodosopoulos Nikos1 buy
Thomas R. Stanton1 buy
Since the insiders bought
- -0.7%Entry €7.63 · Close at T+30 €7.58
- -16.0%Entry €6.77 · Close 15 Oct 2026 €5.69
- -13.4%Entry €6.57 · Close 15 Oct 2026 €5.69
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Financial data
· cache
€6.28
Analyst consensus
Income statement
EBITDA€96.7M
Valuation
P/Book4.4x
Beta1.49
Balance sheet & cash
Debt / Equity50%
Profitability & ownership
ROE-3.2%
ROA-0.1%
% insiders2.2%
% institutions111.4%
Last declaration on 10 August 2026
Declarations194 total
27,924 shares0Common StockSEC:0001193125-26-342317:0
6,579 shares@ US$7.600.0085% mcap42.7% of flowCommon StockSEC:0001193125-26-340206:0
Canonical exit: 4 Nov 2026 (T+90)
9,384 shares@ €15.670.029% mcap3.6% of flowShareISIN US00486H1059BAFIN:50087419-4490a07eebc2
9,384 shares0Common StockSEC:0001193125-26-320947:0
ShareBAFIN:50087419-790b174c29ba
4,399 shares0Common StockSEC:0001193125-26-296161:0
1,906 shares@ €15.670.0029% mcap0.7% of flowShareISIN US00486H1059BAFIN:50087419-d19e2039dd39
9,334.842 shares@ €14.720.013% mcap61.8% of flowShareNASDAQISIN US00486H1059BAFIN:50087419-c4bc7208fd13
ShareISIN US00486H1059BAFIN:50087419-9de860b7304b
9,332 shares@ US$14.720.011% mcap12.1% of flowCommon StockSEC:0001193125-26-236824:0
10,469 shares0Common StockSEC:0001193125-26-236824:1
126,131.274 shares@ €14.950.18% mcap46.4% of flowShareNASDAQISIN US00486H1059BAFIN:40033882
126,156.904 shares@ €10.480.13% mcap32.5% of flowShareISIN US00486H1059BAFIN:50087419-bbd15493964a
22,277 shares@ €12.170.026% mcap6.7% of flowShareISIN US00486H1059BAFIN:50087419-894ded715928
22,277 shares@ €15.000.032% mcap8.2% of flowShareNASDAQISIN US00486H1059BAFIN:50087419-3a0b388617da
ShareBAFIN:50087419-59b2863326a3-2
ShareBAFIN:50087419-5134306c0a5c-2
ShareBAFIN:50087419-84bed43185f2
ShareBAFIN:50087419-59b2863326a3
ShareBAFIN:50087419-84bed43185f2-2
ShareBAFIN:50087419-5134306c0a5c
170,723 shares0Common StockSEC:0001193125-26-142009:0
28,252 shares0Common StockSEC:0001193125-26-142013:0
24,908 shares0Common StockSEC:0001193125-26-142016:0
3,610 shares@ €11.900.0041% mcap100.0% of flowShareISIN US00486H1059BAFIN:50087419-d90dd9e05cf7
25 of 194 declarations
About ADTRAN Holdings, Inc.
ADTRAN Holdings, Inc. is a global networking and communications technology company whose German trading line is referenced on Xetra/Frankfurt (DAX/MDAX/SDAX) under the XETR.DE market context. For French, Belgian and Swiss investors, this is a technology equity with a transatlantic footprint: the group is rooted in the United States, while Germany remains strategically important through its German subsidiary Adtran Networks SE and through industrial and commercial activities across Europe. ADTRAN traces its origin to 1985, when it was founded in Huntsville, Alabama, where the company is still headquartered. Its European expansion accelerated materially with the 2022 business combination with ADVA Optical Networking, after which ADTRAN Holdings became the majority shareholder of Adtran Networks SE.
The company focuses on broadband access and optical networking platforms, software, systems and related services. Its portfolio spans fiber access and aggregation, optical transport, network synchronization, monitoring, encryption, cloud-based network management and automation software. In practical terms, ADTRAN sells infrastructure that enables voice, data, video and internet communications across multiple network environments. Its customer base includes service providers of all sizes, alternative carriers, utilities, municipalities, fiber overbuilders, cable/MSOs, enterprises and certain public-sector clients. A core part of the investment case is the shift toward open, disaggregated, multi-vendor network architectures, where software and automation increasingly complement hardware.
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From a competitive standpoint, ADTRAN is best viewed as a specialized infrastructure provider rather than a broad-based telecom equipment conglomerate. Its strength lies in the combination of long-standing broadband access expertise, a deeper optical transport position in Europe after the ADVA integration, and a product strategy aligned with structural trends such as fiber rollouts, higher bandwidth demand, data-center interconnect, and AI-driven network operations. The company’s solutions are designed to support scalable broadband deployments and more flexible operational models, which can be attractive for network operators seeking lower complexity and better lifecycle efficiency.
Recent highlights have centered on product innovation and commercial traction. In 2025, ADTRAN launched Mosaic One Clarity, an AI-based solution for predictive maintenance and proactive network assurance, and introduced new optical transport and fiber access capabilities, including offerings tied to 50G PON and AI-oriented network cloud use cases. The company also highlighted deployments with European and UK customers, underlining its relevance in both core telecom and next-generation fiber markets. Another notable point for German investors is that the group issued preliminary full-year 2025 results in January 2026, explicitly referencing German disclosure requirements, which underscores the importance of the German market in its reporting and investor communications.
Overall, ADTRAN Holdings combines U.S. corporate roots, German-market relevance, and a focused exposure to long-duration telecom infrastructure themes, making it a niche but strategically positioned technology name for investors following the Xetra/Frankfurt market.
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