Anterix (NASDAQ: ATEX) inks $3.2M 900 MHz spectrum deal with TNMP

Rhea-AI Filing Summary

Anterix Inc. entered into a 900 MHz spectrum license sale agreement with Texas-New Mexico Power, enabling TNMP to deploy a mission-critical private wireless network to bolster grid reliability and resiliency in parts of Brazoria and Galveston counties in Texas.

The agreement assigns 6 MHz of broadband spectrum for a total contract price of $3.2 million, with a phased delivery starting in 2027 and full delivery targeted by December 31, 2028. Payments are tied to milestones, including FCC broadband license grants and spectrum delivery, and include customary remedies and termination rights.

Anterix and TNMP also signed a Memorandum of Understanding to negotiate a master agreement for deployment accelerators, such as device and connectivity management and tower access, supporting TNMP’s 2025-2027 System Resiliency Plan to improve outage response, real-time monitoring, and integration of advanced energy technologies.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Key Figures

Total contract price: $3.2 million Initial payment: $1.6 million Second payment: $800,000 +5 more

8 metrics

Total contract price $3.2 million Consideration for 900 MHz spectrum license sale to TNMP

Initial payment $1.6 million Due 30 days after contract signing under TNMP Agreement

Second payment $800,000 Due upon delivery of Phase 1 broadband spectrum

Final payment $800,000 Due upon delivery of Phase 2, contingent on FCC license grant

Spectrum amount 6 MHz broadband spectrum 900 MHz license covering parts of Brazoria and Galveston counties

Phase 2 deadline December 31, 2028 Target date for delivery of full 6 MHz broadband spectrum

Customers served by TNMP Over 280,000 customers TNMP service footprint throughout Texas

Utilities using platform Nine utilities across 15 states Utilities leveraging Anterix’s 900 MHz platform nationwide

Key Terms

900 MHz spectrum license, mission-critical private wireless network, System Resiliency Plan, Memorandum of Understanding, +1 more

5 terms

900 MHz spectrum license financial

"entered into a spectrum license sale agreement with Texas-New Mexico Power"

mission-critical private wireless network technical

"deploy a mission-critical private wireless network designed to strengthen grid reliability"

System Resiliency Plan other

"As a cornerstone of its 2025-2027 System Resiliency Plan, TNMP's investment"

A system resiliency plan is a written set of steps and safeguards that keep a company’s critical computer, communications and operational systems running or recoverable during outages, cyberattacks, natural disasters or other disruptions. It matters to investors because it reduces the risk of lost sales, regulatory fines and damage to reputation—similar to having backup generators and emergency exits for a building—so the business can keep operating and protect shareholder value.

Memorandum of Understanding financial

"signed a separate Memorandum of Understanding (“MOU”) under which the parties agree"

A memorandum of understanding (MOU) is a formal agreement between two or more parties that outlines their shared intentions and plans to work together. It acts like a handshake in writing, clarifying each side’s roles and expectations before any official contract is signed. For investors, an MOU signals that parties are serious about collaboration, which can influence future business opportunities and potential growth.

forward-looking statements regulatory

"Certain statements contained in this press release, other than historical information, constitute forward-looking statements"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

Understanding 8-K Material Events →

FALSE00013044923 Garret Mountain PlazaSuite 401Woodland ParkNJ00013044922026-03-252026-03-2500013044922023-04-212023-04-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 25, 2026

Anterix Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-36827

33-0745043

(State or other jurisdiction

(Commission File Number)

(IRS Employer

of incorporation)

Identification No.)

3 Garret Mountain Plaza Suite 401 Woodland Park, NJ						07424
(Address of principal executive offices)						(Zip Code)

(973) 771-0300

Registrant’s telephone number, including area code

Not applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12(b))

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class			Trading symbol			Name of Each Exchange on which registered
Common Stock, $0.0001 par value			ATEX			The Nasdaq Stock Market LLC
						(NASDAQ Capital Market)

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events.

On March 25, 2026, Anterix Inc. (the “Company”) announced that its wholly-owned subsidiary, PDV Spectrum Holding Company, LLC (“PDV”), entered into a spectrum license sale agreement with Texas-New Mexico Power (“TNMP”) under which PDV sold to TNMP a 900 MHz broadband license covering portions of Brazoria and Galveston counties in Texas (the “TNMP Agreement”).

The Company issued a press release announcing the TNMP Agreement and posted a Fact Sheet (the “Fact Sheet”) containing additional information regarding the material terms of the TNMP Agreement on the Investor Relations page of its website at: www.investors.anterix.com.

A copy of the press release and Fact Sheet are being filed as Exhibit 99.1 and Exhibit 99.2 to this Current Report on Form 8-K, respectively, and each is incorporated herein by reference. The information on or accessible through the Company’s website, other than the Fact Sheet, is not incorporated into this Current Report on Form 8-K.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.						Description
99.1						Press Release dated April 1, 2026
99.2						Fact Sheet dated April 1, 2026
104						Cover Page Interactive Data File (formatted as Inline XBRL)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.

			Anterix Inc.
Date: April 1, 2026			/s/ Gena L. Ashe
			Gena L. Ashe
			Chief Legal Officer and Corporate Secretary

`

Anterix and Texas-New Mexico Power Agreement Bolsters Grid Resiliency with Proven 900 MHz Private Wireless Platform TNMP Joins Leading Utilities in Choosing Anterix’s Market-Ready Solution for Reliable, Future-Ready Power Today WOODLAND PARK, NJ, April 1, 2026- Anterix (NASDAQ: ATEX), the leader in mission- critical private wireless broadband spectrum for utilities, and Texas-New Mexico Power (TNMP) today announced a 900 MHz spectrum sale agreement. This agreement enables TNMP to deploy a mission-critical private wireless network designed to strengthen grid reliability and support essential service improvements across its territory. Anterix’s private wireless platform is available in the market now, providing utilities with a compelling cost-to-value proposition. For a utility like TNMP – a subsidiary of TXNM Energy serving over 280,000 homes and businesses – choosing an established, market- ready ecosystem reduces the risks of unproven alternatives and helps to ensure a more secure, scalable foundation capable of supporting any utility use case. As a cornerstone of its 2025-2027 System Resiliency Plan, TNMP's investment in this proven standard will facilitate faster outage response, real-time monitoring of critical infrastructure, and the seamless integration of advanced energy technologies. TNMP joins a significant and growing network of Texas utilities – including LCRA, Oncor, Xcel Energy, and recently announced CPS Energy – that have prioritized secure, utility-controlled communications. This collective move cements the state’s leadership in grid modernization and provides a scalable foundation for the future. Nationwide, nine utilities now leverage Anterix’s 900 MHz platform across 15 states, proving it is the only utility-focused network built to deliver both measurable operational results and a clear roadmap to 5G. “Utilities need secure, flexible solutions that work today, and by welcoming TNMP to the ranks of nine leading utilities already on this platform, we are reinforcing that 900 MHz is the proven national choice,” said Anterix President & CEO Scott Lang. “This agreement reflects the clear market momentum toward a solution that is available now, scalable to any use case, and offers a cost-to-value ratio that makes sense for the modern grid. By joining fellow Texas utilities in this collective move, TNMP is choosing a de-risked path to grid modernization” TNMP President Neal Walker said, “Our customers depend on us for reliable power every day, and that responsibility is the driving force behind our 2025-2027 System Resiliency Plan. By deploying Anterix’s private wireless network, we are gaining the

secure, utility-controlled communications needed to achieve faster outage response and real-time monitoring of our most critical infrastructure. This proven platform provides an immediate, cost-efficient solution that allows us to scale as our customers' needs evolve, ensuring we can seamlessly integrate advanced energy technologies and deliver smarter, more dependable service to the communities we serve.” Anterix Shareholder Contact Natasha Vecchiarelli VP, Investor Relations & Corporate Communications Anterix 973-531-4397 nvecchiarelli@anterix.com Anterix Media Contact Paul Gaige Senior Vice President Burson 504-957-1434 Paul.Gaige@bursonglobal.com About Anterix Anterix is transforming how critical infrastructure stays connected. As the market leader in mission-critical private wireless broadband spectrum for the utility sector, Anterix delivers more secure, private 900 MHz licensed spectrum and advanced intelligent infrastructure solutions that enhance efficiency, strengthen resilience, and accelerate digital transformation. Backed by a growing ecosystem of industry-leading partners, Anterix provides the connectivity foundation that powers a more resourceful and resilient future. Learn more at www.anterix.com. Forward-Looking Statements Certain statements contained in this press release, other than historical information, constitute forward-looking statements within the meaning of the federal securities laws. Words such as “believes,” “anticipates,” “estimates,” “expects,” “intends,” “aims,” “potential,” “will,” “would,” “could,” “considered,” “likely,” “estimate” and variations of these words and similar future or conditional expressions are intended to identify forward-looking statements but are not the exclusive means of identifying such statements. Forward-looking statements include, but are not limited to, statements regarding: (i) the timing of payments under the Anterix-TNMP agreement, (ii) Anterix’s ability to clear any interference with incumbent users of the 900 MHz broadband spectrum allocation in TNMP’s service area on a timely basis; (iii) Anterix’s ability to qualify for and timely secure broadband licenses in TNMP’s service area; and (iv) Anterix’s ability to satisfy the other terms of its agreement with TNMP. Any such forward-looking statements are based on the current expectations of Anterix’s management and are subject to a number of risks and uncertainties that could cause Anterix’s actual future results to differ materially from its management’s current expectations or those implied by the forward-looking statements. These risks and uncertainties include, but are not limited to: (i) Anterix may not be successful in

commercializing its spectrum assets to its targeted utility and critical infrastructure customers on a timely basis and on favorable terms; (ii) Anterix may be unable to secure broadband licenses from the FCC on a timely and cost-effective basis; (iii) Anterix has a limited operating history with its current business plan, which makes it difficult to evaluate its prospects and future financial results and its business activities, strategic approaches and plans may not be successful; and (iv) the value of Anterix’s spectrum assets may fluctuate significantly based on supply and demand, as well as technical and regulatory changes. These and other risk factors that may affect Anterix’s future results of operations are identified and described in more detail in Anterix’s most recent filings on Forms 10-K and 10-Q and in other filings that it makes with the SEC from time to time. These documents are available on Anterix’s website at www.anterix.com under the Investor Relations section and on the SEC’s website at www.sec.gov. Accordingly, you should not rely upon forward-looking statements as predictions of future events. Except as required by applicable law, Anterix undertakes no obligation to update publicly or revise any forward-looking statements contained herein, whether as a result of any new information, future events, changed circumstances or otherwise.

04.01.2026 To our shareholders: On March 25, 2026, Anterix and Texas-New Mexico Power (“TNMP”) entered into a 900 MHz spectrum license sale agreement (the “TNMP Agreement”). This Agreement enables TNMP to deploy a mission-critical private wireless network designed to strengthen grid reliability, increase resiliency, and support essential service improvements throughout its territory. As a cornerstone of its 2025-2027 System Resiliency Plan, TNMP's investment in this proven standard will facilitate faster outage response, real-time monitoring of critical infrastructure, and the seamless integration of advanced energy technologies. TNMP, a wholly owned subsidiary of TXNM Energy, delivers power to more than 280,000 customers throughout Texas. Key components of the Agreement include: • Assignment of 6 MHz of broadband spectrum, 936.5-939.5 MHz paired with 897.5- 900.5 MHz, covering portions of Brazoria and Galveston counties, Texas, following FCC issuance of broadband licenses transferable from Anterix to TNMP. • Anterix’s commitment to clear incumbents from the 900 MHz broadband allocation in the TNMP service territory, as well as a specific requirement for the parties to work together to secure these broadband licenses from the FCC for TNMP. • Phased delivery of the broadband spectrum for each county, commencing in 2027 with the delivery of two 1.4 x 1.4 MHz channels of broadband spectrum to TNMP (Phase 1), and advancing to the delivery of the full 6 MHz of broadband spectrum (Phase 2) by December 31, 2028. • Total contract price of $3.2 million, with the first payment of $1.6 million due 30 days after contract signing, the second payment of $800,000 due upon delivery of Phase 1, and final payment of $800,000 due upon delivery of Phase 2. Final payment to Anterix is contingent on the broadband license being granted by the FCC and the broadband spectrum being assigned to TNMP. • The Agreement is subject to customary contractual provisions regarding remedies, including refund of amounts paid by TNMP for failure to deliver the 900 MHz license, and termination rights if a party fails to perform its contractual obligations. In addition: • Anterix and TNMP also signed a separate Memorandum of Understanding (“MOU”) under which the parties agree to negotiate a Master Agreement through which Anterix will offer, and TNMP may purchase, Anterix deployment accelerators, including the CatalyXTM device and connectivity management

04.01.2026 platform and the TowerXTM pre-negotiated tower access and deployment support service. • The MOU allows the Parties to collaborate, upon their mutual agreement, to accelerate utility industry momentum for 900 MHz private wireless networks, and contemplates that TNMP will consider collaborating with other utility 900 MHz private wireless broadband networks throughout Texas. Forward-Looking Statement Certain statements contained in this press release, other than historical information, constitute forward-looking statements within the meaning of the federal securities laws. Words such as “believes,” “anticipates,” “estimates,” “expects,” “intends,” “aims,” “potential,” “will,” “would,” “could,” “considered,” “likely,” “estimate” and variations of these words and similar future or conditional expressions are intended to identify forward-looking statements but are not the exclusive means of identifying such statements. Forward-looking statements include, but are not limited to, statements regarding: (i) the timing of payments under the Anterix-TNMP agreement, (ii) Anterix’s ability to clear any interference with incumbent users of the 900 MHz broadband spectrum allocation in TNMP’s service area on a timely basis; (iii) Anterix’s ability to qualify for and timely secure broadband licenses in TNMP’s service area; and (iv) Anterix’s ability to satisfy the other terms of its agreement with TNMP. Any such forward-looking statements are based on the current expectations of Anterix’s management and are subject to a number of risks and uncertainties that could cause Anterix’s actual future results to differ materially from its management’s current expectations or those implied by the forward-looking statements. These risks and uncertainties include, but are not limited to: (i) Anterix may not be successful in commercializing its spectrum assets to its targeted utility and critical infrastructure customers on a timely basis and on favorable terms; (ii) Anterix may be unable to secure broadband licenses from the FCC on a timely and cost-effective basis; (iii) Anterix has a limited operating history with its current business plan, which makes it difficult to evaluate its prospects and future financial results and its business activities, strategic approaches and plans may not be successful; and (iv) the value of Anterix’s spectrum assets may fluctuate significantly based on supply and demand, as well as technical and regulatory changes. These and other risk factors that may affect Anterix’s future results of operations are identified and described in more detail in Anterix’s most recent filings on Forms 10-K and 10-Q and in other filings that it makes with the SEC from time to time. These documents are available on Anterix’s website at www.anterix.com under the Investor Relations section and on the SEC’s website at www.sec.gov. Accordingly, you should not rely upon forward-looking statements as predictions of future events. Except as required by applicable law, Anterix undertakes no obligation to update publicly or revise any forward-looking statements contained herein, whether as a result of any new information, future events, changed circumstances or otherwise.

FAQ

What agreement did Anterix (ATEX) sign with Texas-New Mexico Power?

Anterix signed a 900 MHz spectrum license sale agreement with Texas-New Mexico Power. The deal enables TNMP to deploy a mission-critical private wireless network to enhance grid reliability, resiliency, and support service improvements across parts of Brazoria and Galveston counties in Texas.

What is the total contract value of the Anterix–TNMP spectrum deal?

The total contract price is $3.2 million. TNMP will pay $1.6 million 30 days after signing, $800,000 upon Phase 1 spectrum delivery, and $800,000 upon Phase 2 delivery, contingent on FCC broadband license grants and successful spectrum assignment.

How is the 900 MHz spectrum being delivered to TNMP under the Anterix agreement?

The spectrum is delivered in phases. Phase 1 begins in 2027 with two 1.4 x 1.4 MHz broadband channels, followed by Phase 2 delivering the full 6 MHz of broadband spectrum by December 31, 2028, subject to FCC broadband license issuance and assignment.

What obligations does Anterix have in the TNMP spectrum transaction?

Anterix must clear incumbents from the 900 MHz broadband allocation in TNMP’s territory and work jointly with TNMP to secure FCC broadband licenses. The agreement includes remedies such as refunding amounts paid if the 900 MHz license cannot be delivered.

What is the purpose of the Memorandum of Understanding between Anterix and TNMP?

The Memorandum of Understanding provides a framework to negotiate a master agreement for deployment accelerators, including device and connectivity management and tower access. It also supports collaboration to advance 900 MHz private wireless networks among Texas utilities, aligned with TNMP’s System Resiliency Plan.

How many customers does Texas-New Mexico Power serve under this Anterix agreement?

Texas-New Mexico Power serves more than 280,000 customers throughout Texas. The agreement supports TNMP’s 2025-2027 System Resiliency Plan, aiming to improve outage response, real-time monitoring, and integration of advanced energy technologies for these customers.

Filing Exhibits & Attachments

6 documents

Press Releases

• EX-99.1 EX-99.1 8.2 KB
• EX-99.2 EX-99.2 6.9 KB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 2.0 KB
• EX-101 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT 4.1 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT 23.8 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT 15.9 KB