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Anterix (ATEX) CRO Kimberly Kerr reports common shares and stock options

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Anterix Inc. reported initial holdings for Chief Revenue Officer Kimberly Kerr. She directly holds 3,363 shares of common stock and a stock option covering 15,913 shares of common stock at an exercise price of $66.90 per share, expiring on June 2, 2036. Related restricted stock units and option awards vest over three years beginning on June 2, 2027, with additional quarterly vesting dates through May 20, 2029.

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Insider Kerr Kimberly
Role Chief Revenue Officer
Type Security Shares Price Value
holding Stock Option (Right to Buy) -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Stock Option (Right to Buy) — 15,913 shares (Direct, null); Common Stock — 3,363 shares (Direct, null)
Footnotes (1)
  1. Represents the issuance of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Common Stock. The RSUs vest over three years, with 1/3 vesting on June 2, 2027, and 1/12 vesting quarterly thereafter on August 10, November 10, February 10, and May 20 of each year through May 20, 2029. The option shares vest and become exercisable over three years, with 1/3 vesting on June 2, 2027, and 1/12 vesting quarterly thereafter on August 10, November 10, February 10, and May 20 of each year through May 20, 2029.
Direct common shares 3,363 shares Shares of Anterix common stock held directly after reported holdings
Underlying option shares 15,913 shares Common shares underlying stock option (right to buy)
Option exercise price $66.90 per share Exercise price for stock option reported as of June 22, 2026
Option expiration June 2, 2036 Expiration date of stock option position
Initial vesting date June 2, 2027 Date when 1/3 of RSUs and option shares vest
Final vesting date May 20, 2029 Last scheduled quarterly vesting date for RSUs and options
restricted stock units ("RSUs") financial
"Represents the issuance of restricted stock units ("RSUs"). Each RSU represents a contingent right..."
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
Stock Option (Right to Buy) financial
"security_title": "Stock Option (Right to Buy)""
vest financial
"The RSUs vest over three years, with 1/3 vesting on June 2, 2027, and 1/12 vesting quarterly..."
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
exercise price financial
"conversion_or_exercise_price": "66.9000""
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
expiration date financial
"expiration_date": "2036-06-02T00:00:00.000Z""
The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.
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Learn about SEC filing dates
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Kerr Kimberly

(Last)(First)(Middle)
3 GARRET MOUNTAIN PLAZA, SUITE 401

(Street)
WOODLAND PARK NEW JERSEY 07424

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
06/22/2026
3. Issuer Name and Ticker or Trading Symbol
Anterix Inc. [ ATEX ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Revenue Officer
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock3,363(1)D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy) (2)06/02/2036Common Stock15,913$66.9D
Explanation of Responses:
1. Represents the issuance of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Common Stock. The RSUs vest over three years, with 1/3 vesting on June 2, 2027, and 1/12 vesting quarterly thereafter on August 10, November 10, February 10, and May 20 of each year through May 20, 2029.
2. The option shares vest and become exercisable over three years, with 1/3 vesting on June 2, 2027, and 1/12 vesting quarterly thereafter on August 10, November 10, February 10, and May 20 of each year through May 20, 2029.
Remarks:
/s/ Gena L. Ashe, Attorney-in-Fact07/01/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Form 3 filing for Anterix (ATEX) show about Kimberly Kerr's holdings?

The Form 3 shows Kimberly Kerr directly holds 3,363 common shares of Anterix and a stock option tied to 15,913 underlying shares. This establishes her initial reportable ownership as Chief Revenue Officer under SEC rules.

What stock options does Kimberly Kerr report in Anterix (ATEX) Form 3?

Kimberly Kerr reports a stock option labeled “Stock Option (Right to Buy)” for 15,913 underlying common shares at an exercise price of $66.90 per share, expiring on June 2, 2036, subject to a three-year vesting schedule.

How do Kimberly Kerr's RSUs vest according to the Anterix (ATEX) Form 3 footnotes?

The footnotes state her restricted stock units (RSUs) vest over three years, with 1/3 on June 2, 2027, then 1/12 quarterly on specified dates from August 10 through May 20, 2029, contingent on continued service.

What is the vesting schedule for Kimberly Kerr’s stock options at Anterix (ATEX)?

Her stock option shares vest over three years, with 1/3 vesting on June 2, 2027 and the remaining 2/3 vesting in 1/12 increments quarterly on August 10, November 10, February 10, and May 20 through May 20, 2029.

Does the Anterix (ATEX) Form 3 indicate recent buying or selling by Kimberly Kerr?

The Form 3 primarily records holdings, not open-market buys or sells. Transactions are classified as holdings with unknown transaction codes, so it functions as an initial ownership report rather than evidence of recent market trading activity.