Anterix officer exercises 40K options, sells 23K
Anterix Inc. (ATEX) reported that Chief Reg & Comm Officer Christopher Guttman-McCabe exercised a stock option for 40,000 shares of common stock at an exercise price of $37.42 per share.
Rhea-AI Filing Summary
Anterix Inc. (ATEX) reported that Chief Reg & Comm Officer Christopher Guttman-McCabe exercised a stock option for 40,000 shares of common stock at an exercise price of $37.42 per share. The option was fully vested. The exercise was paid on a cashless basis, with the issuer withholding 16,561 shares to cover the exercise price and related income tax withholding and remittance obligations. On the same date, the reporting person sold an aggregate of 23,439 shares of common stock in open-market transactions at weighted average prices ranging from about $94.22 to $90.06 per share. The transactions were not reported as being made pursuant to a Rule 10b5-1 trading plan.
Positive
- None.
Negative
- None.
Insider Trade Summary
Exercise and sale activity reported; no spread calculated
Exercise and Sale
7 txns
Insider
Guttman-McCabe Christopher
Role
Chief Reg & Comm Officer
Sold
23,439 shs ($2.16M)
Approx. gross sale proceeds
$2.16M
Approx. exercise cost
$1.50M
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) F6 | 40,000 | $0.00 | $0.00 |
| Exercise | Common Stock | 40,000 | $34.72 | $1.39M |
| Exercise Price or Tax Liability | Common Stock F1 | 16,561 | $90.38 | $1.50M |
| Sale | Common Stock F2 | 5,372 | $93.5863 | $503K |
| Sale | Common Stock F3 | 7,791 | $92.7691 | $723K |
| Sale | Common Stock F4 | 7,580 | $91.6945 | $695K |
| Sale | Common Stock F5 | 2,696 | $90.6095 | $244K |
Holdings After Transaction:
Stock Option (Right to Buy) — 0 contracts (Direct);
Common Stock — 44,876 shares (Direct)
Footnotes (6)
- F1. The Reporting Person exercised a stock option to purchase 40,000 shares of the Issuer's Common Stock for $37.42 per share and paid the exercise price on a cashless basis, resulting in the Issuer withholding an aggregate of 16,561 shares of the Issuer's Common Stock subject to the stock option to pay the exercise price and to satisfy its income tax withholding and remittance obligations in connection with the exercise of the stock option. The withholding of shares referenced here does not involve an open market sale of stock.
- F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.215 to $93.27, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price within the ranges set forth in this footnote to this Form 4.
- F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.265 to $92.265, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price within the ranges set forth in this footnote to this Form 4.
- F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.205 to $91.22, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price within the ranges set forth in this footnote to this Form 4.
- F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.01 to $90.06, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price within the ranges set forth in this footnote to this Form 4.
- F6. The option shares are fully vested.
Key Figures
Options Exercised: 40,000 shares of common stock
Exercise Price: $37.42 per share
Shares Withheld for Exercise Price and Taxes: 16,561 shares
+4 more
7 metrics
Options Exercised
40,000 shares of common stock
Shares underlying the stock option exercised on 2026-08-25
Exercise Price
$37.42 per share
Exercise price of the 40,000-share stock option
Shares Withheld for Exercise Price and Taxes
16,561 shares
Shares withheld on a cashless basis to pay exercise price and income tax withholding and remittance obligations
Shares Sold
23,439 shares
Total common shares sold in open-market transactions on 2026-08-25
Sale Price Range (Footnote F2)
$94.215 to $93.27 per share
Weighted-average sale price range for one group of reported sales
Sale Price Range (Footnote F5)
$91.01 to $90.06 per share
Weighted-average sale price range for another group of reported sales
Option Expiration Date
2034-02-28
Expiration date of the exercised stock option
Key Terms
cashless basis, weighted average price, income tax withholding and remittance obligations
3 terms
cashless basis financial
"paid the exercise price on a cashless basis, resulting in the Issuer withholding"
An agreement executed on a cashless basis lets a holder convert or exercise a security (like options, warrants, or conversion rights) without paying money upfront; instead the holder receives a smaller number of shares equal in value to what the cash would have purchased. Think of trading a coupon for fewer slices of a cake rather than handing over cash for the full slice. For investors, it affects how much ownership and dilution occur and avoids immediate cash outlays.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
income tax withholding and remittance obligations financial
"to pay the exercise price and to satisfy its income tax withholding and remittance obligations"
FAQ
What did ATEX insider Christopher Guttman-McCabe report in this Form 4?
He exercised a stock option for 40,000 Anterix (ATEX) shares at $37.42 per share, settled on a cashless basis with 16,561 shares withheld, and sold an aggregate of 23,439 shares in open-market transactions on the same date.
How many Anterix (ATEX) options did the insider exercise and at what price?
He exercised a stock option covering 40,000 shares of Anterix common stock at an exercise price of $37.42 per share. The option shares were reported as fully vested at the time of exercise.
How were the exercise costs and taxes handled in this ATEX Form 4?
The option exercise was paid on a cashless basis. Anterix withheld 16,561 shares of common stock from the exercised shares to pay the exercise price and to satisfy income tax withholding and remittance obligations related to the exercise.
Were the reported ATEX transactions under a Rule 10b5-1 trading plan?
No. The Form 4 indicates the transactions were not reported under a Rule 10b5-1 trading plan, as the related checkbox was not marked and no footnote described a trading plan.
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