Anterix Inc. 10-K

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES Market Information Shares of our common stock are listed for trading on the Nasdaq Capital Market under the symbol “ATEX”. As of June 19, 2026, we had 19,498,473 shares of common stock outstanding and approximately 95 record holders of our common stock, including common stock held through brokerage firms in “street name.” Dividend Policy We have never declared or paid any cash dividends on our common stock. Any future determination to pay dividends will be at the discretion of our Board and will depend on our financial condition, results of operations, capital requirements, restrictions contained in any financing instruments and such other factors as our Board deems relevant in its sole discretion. Securities Authorized for Issuance under Equity Compensation Plans. We currently award stock options, restricted stock units (“RSUs”), performance stock units (“PSUs”) and options (“PSOs”) to our employees meeting certain eligibility requirements under a plan approved by our stockholders in 2023, referred to as the “2023 Stock Plan” and have previously awarded stock options, RSUs and PSUs to our employees meeting certain eligibility requirements under a plan approved by our stockholders in 2014 and 2010. The following table summarizes information about our equity compensation plans as of March 31, 2026: Plan Category Number of Securities to be Issued Upon Exercise of Outstanding Stock Options, RSUs, PSUs and PSOs (1) (a) Weighted-Average Exercise Price of Outstanding Stock Options or Rights (b) Number of Securities Remaining Available for Future Issuance Under Equity Compensation Plans (excluding securities reflected in column (a)) Equity compensation plans approved by security holders 1,831,754 $ 38.73 762,367 (2) Equity compensation plans not approved by security holders — — — (1) I ncludes shares underlying RSUs and PSOs, at maximum, as of March 31, 2026. There were no PSUs outstanding as of March 31, 2026. (2) The 2023 Stock Plan permits the Company to grant equity compensation awards to employees, consultants and non-employee directors of the Company. The 2023 Stock Plan authorizes 1,350,000 shares of common stock of the Company (“Shares”) for grant, plus remaining available for issuance under previous plans. Unregistered Sales of Equity Securities and Use of Proceeds. We did not sell any equity securities not registered under the Securities Act, during the fiscal year ended March 31, 2026. Page 32 Table of Contents Purchase of Equity Securities by the Issuer and Affiliated Purchasers. The following table provides information with respect to purchases of our common stock by us or any “affiliated purchaser” as defined in Rule 10b-18(a)(3) under the Exchange Act, during the three months ended March 31, 2026. Issuer Purchases of Equity Securities (1) (in thousands except for share and per share data) Period Total Number of Shares Purchased Average Price paid per Share (2) Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Maximum Dollar Value of Shares that May Yet be Purchased Under Publicly Announced Plans or Programs January 1, 2026 through January 31, 2026 Open market and privately negotiated purchases — $ — — $ 226,672 February 1, 2026 through February 28, 2026 Open market and privately negotiated purchases — — — 226,672 March 1, 2026 through March 31, 2026 Open market and privately negotiated purchases — — — 226,672 Total — $ — — $ 226,672 (1) In September 2023, our Board authorized the 2023 Share Repurchase Program pursuant to which we may repurchase up to $250.0 million of our common stock on or before September 21, 2026. We may repurchase shares of our common stock via the open market and/or privately negotiated transactions. Repurchases will be made in accordance with applicable securities laws and may be effected pursuant to Rule 10b5-1 trading plans. The manner, timing and amount of any share repurchases will be determined by us based on a variety of factors, including proceeds from customer contracts, the timing of which is unpredictable, as well as general business and market conditions, our capital position, and other strategic considerations. The 2023 Share Repurchase Program does not obligate us to repurchase any particular amount of our common stock. (2) Average price paid per share includes cost associated with the repurchases, excluding excise taxes associated with the share repurchases. ITEM 6. [Reserved] Page 33 Table of Contents