ATEX
Anterix Inc.$76.80-0.66 (-0.85%)Prev Close$77.59·MCap$1.68B·P/E15.87·Vol216.3K·Yield—
▲
Buys (12M)
3
$174.0K
▼
Sells (12M)
17
$33.03M
◆
Net Activity
Net Seller
$32.86M
●
Active Insiders
11
last 12 mo
Over the past 12 months, insider activity at Anterix Inc. (ATEX) has been dominated by selling, with 3 insider purchases totaling $174.0K and 17 insider sales totaling $33.03M. The most recent insider transaction was by Martin Heather (officer, other: Chief Marketing Officer), who sold $679.0K worth of shares on Sep 11, 2026. Anterix Inc. operates in the Communication Services sector, within the Telecommunications Services industry, with a market cap of $1.68B.
ATEX Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Martin Heather | officer, other: Chief Marketing Officer | Sell | 8,064 | $84.20 | $679.0K | 26,743 |
| Sep 11, 2026 | DANIELS LESLIE B | director | Sell | 2,500 | $83.83 | $209.6K | 43,477 |
| Sep 8, 2026 | DANIELS LESLIE B | director | Sell | 10,100 | $87.12 | $879.9K | 50,077 |
| Sep 8, 2026 | Ashe Gena L | officer: Chief Legal Officer & Corp Sec | Sell | 4,357 | $85.44 | $372.3K | 9,238-32% |
| Aug 27, 2026 | Guttman-McCabe Christopher | officer: Chief Reg & Comm Officer | Sell | 23,439 | $92.36 | $2.16M | 62,943-27% |
| Aug 26, 2026 | Kuhn Thomas R. | director, other: Executive Chairman | Sell | 11,654 | $87.53 | $1.02M | 23,339-33% |
| Aug 18, 2026 | Heard William | director | Sell | 46,400 | $90.11 | $4.18M | 1,670,338 |
| Aug 17, 2026 | Lang Scott A. | director, officer: President and CEO | Sell | 35,057 | $90.22 | $3.16M | 75,727-32% |
| Aug 14, 2026 | Guttman-McCabe Christopher | officer: Chief Reg & Comm Officer | Sell | 122,852 | $81.75 | $10.04M0.6% OS | 157,576-44% |
| Jun 22, 2026 | Lang Scott A. | director, officer: President and CEO | Sell | 170 | $80.25 | $13.6K | 76,527 |
| Jun 18, 2026 | Marquez Elena | officer: Chief Financial Officer | Sell | 4,291 | $79.50 | $341.1K | 18,387 |
| Jun 17, 2026 | Fleischhauer Mark | director | Sell | 3,500 | $79.83 | $279.4K | 12,769 |
| Jun 17, 2026 | YAZDI MAHVASH | director | Sell | 7,000 | $80.00 | $560.0K | 19,407-27% |
| Jun 17, 2026 | Ashe Gena L | officer: Chief Legal Officer & Corp Sec | Sell | 17,711 | $81.31 | $1.44M | 13,867-56% |
| Jun 17, 2026 | Guttman-McCabe Christopher | officer: Chief Reg & Comm Officer | Sell | 91,437 | $82.46 | $7.54M | 133,923-41% |
| Dec 18, 2025 | Lang Scott A. | President and CEO | Buy | 1,160 | $21.61 | $25.1K | 0 |
| Dec 8, 2025 | Lang Scott A. | President and CEO | Buy | 2,450 | $20.41 | $50.0K | 0 |
| Nov 18, 2025 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 6,564 | $21.07 | $138.3K | 0 |
| Sep 29, 2025 | Marquez Elena | Chief Financial Officer | Sell | 404 | $22.55 | $9.1K | 0 |
| Sep 18, 2025 | Lang Scott A. | President and CEO | Buy | 4,650 | $21.28 | $99.0K | 0 |
| Aug 19, 2025 | Gray Timothy | Chief Financial Officer | Buy | 50 | $22.07 | $1.1K | 0 |
| Jul 12, 2025 | Gerbrandt Ryan | Chief Operating Officer | Sell | 1,470 | $23.95 | $35.2K | 0 |
| Jul 12, 2025 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 1,517 | $23.95 | $36.3K | 0 |
| May 22, 2025 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 2,732 | $28.35 | $77.5K | 0 |
| May 22, 2025 | Gray Timothy | Chief Financial Officer | Sell | 4,098 | $28.35 | $116.2K | 0 |
| May 15, 2025 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 3,421 | $28.18 | $96.4K | 0 |
| May 15, 2025 | Gerbrandt Ryan | Chief Operating Officer | Sell | 4,259 | $28.18 | $120.0K | 0 |
| May 15, 2025 | Gray Timothy | Chief Financial Officer | Sell | 3,428 | $28.18 | $96.6K | 0 |
| May 15, 2025 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 3,879 | $28.19 | $109.4K | 0 |
| Feb 14, 2025 | Heard William | Director | Sell | 35,400 | $39.36 | $1.39M | 0 |
| Dec 16, 2024 | OBRIEN MORGAN E | Executive Chairman | Sell | 13,609 | $33.44 | $455.1K | 0 |
| Dec 9, 2024 | OBRIEN MORGAN E | Executive Chairman | Sell | 76,391 | $34.05 | $2.60M | 0 |
| Dec 5, 2024 | Fleischhauer Mark | Director | Buy | 3,500 | $34.19 | $119.7K | 0 |
| Nov 20, 2024 | DANIELS LESLIE B | Director | Buy | 2,000 | $32.75 | $65.5K | 0 |
| Nov 19, 2024 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 5,547 | $33.00 | $183.1K | 0 |
| Nov 15, 2024 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 3,447 | $31.93 | $110.1K | 0 |
| Aug 23, 2024 | Schwartz Robert Harris | President and CEO | Sell | 6,355 | $37.54 | $238.6K | 0 |
| Jul 12, 2024 | Gerbrandt Ryan | Chief Operating Officer | Sell | 1,479 | $41.51 | $61.4K | 0 |
| Jul 12, 2024 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 1,518 | $41.51 | $63.0K | 0 |
| Jul 1, 2024 | Schwartz Robert Harris | President and CEO | Sell | 8,045 | $39.59 | $318.5K | 0 |
| May 17, 2024 | Gerbrandt Ryan | Chief Operating Officer | Sell | 1,391 | $33.52 | $46.6K | 0 |
| May 17, 2024 | Gray Timothy | Chief Financial Officer | Sell | 1,166 | $33.52 | $39.1K | 0 |
| May 17, 2024 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 1,427 | $33.52 | $47.8K | 0 |
| May 15, 2024 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 4,066 | $32.72 | $133.0K | 0 |
| May 15, 2024 | Gerbrandt Ryan | Chief Operating Officer | Sell | 2,867 | $32.72 | $93.8K | 0 |
| May 15, 2024 | Gray Timothy | Chief Financial Officer | Sell | 4,811 | $32.72 | $157.4K | 0 |
| May 15, 2024 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 2,444 | $32.72 | $80.0K | 0 |
| May 1, 2024 | Gray Timothy | Chief Financial Officer | Sell | 50,000 | $32.09 | $1.60M | 0 |
| Feb 15, 2024 | Gerbrandt Ryan | Chief Operating Officer | Sell | 2,456 | $37.76 | $92.7K | 0 |
| Nov 30, 2023 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 936 | $32.05 | $30.0K | 0 |
Showing 1–50 of 119
1 / 3
ATEX Insider Buying Activity
The following table shows recent insider purchases of Anterix Inc. (ATEX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 18, 2025 | Lang Scott A. | President and CEO | Buy | 1,160 | $21.61 | $25.1K | 0 |
| Dec 8, 2025 | Lang Scott A. | President and CEO | Buy | 2,450 | $20.41 | $50.0K | 0 |
| Sep 18, 2025 | Lang Scott A. | President and CEO | Buy | 4,650 | $21.28 | $99.0K | 0 |
| Aug 19, 2025 | Gray Timothy | Chief Financial Officer | Buy | 50 | $22.07 | $1.1K | 0 |
| Dec 5, 2024 | Fleischhauer Mark | Director | Buy | 3,500 | $34.19 | $119.7K | 0 |
| Nov 20, 2024 | DANIELS LESLIE B | Director | Buy | 2,000 | $32.75 | $65.5K | 0 |
ATEX Insider Selling Activity
The following table shows recent insider sales of Anterix Inc. (ATEX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Martin Heather | officer, other: Chief Marketing Officer | Sell | 8,064 | $84.20 | $679.0K | 26,743 |
| Sep 11, 2026 | DANIELS LESLIE B | director | Sell | 2,500 | $83.83 | $209.6K | 43,477 |
| Sep 8, 2026 | DANIELS LESLIE B | director | Sell | 10,100 | $87.12 | $879.9K | 50,077 |
| Sep 8, 2026 | Ashe Gena L | officer: Chief Legal Officer & Corp Sec | Sell | 4,357 | $85.44 | $372.3K | 9,238-32% |
| Aug 27, 2026 | Guttman-McCabe Christopher | officer: Chief Reg & Comm Officer | Sell | 23,439 | $92.36 | $2.16M | 62,943-27% |
| Aug 26, 2026 | Kuhn Thomas R. | director, other: Executive Chairman | Sell | 11,654 | $87.53 | $1.02M | 23,339-33% |
| Aug 18, 2026 | Heard William | director | Sell | 46,400 | $90.11 | $4.18M | 1,670,338 |
| Aug 17, 2026 | Lang Scott A. | director, officer: President and CEO | Sell | 35,057 | $90.22 | $3.16M | 75,727-32% |
| Aug 14, 2026 | Guttman-McCabe Christopher | officer: Chief Reg & Comm Officer | Sell | 122,852 | $81.75 | $10.04M0.6% OS | 157,576-44% |
| Jun 22, 2026 | Lang Scott A. | director, officer: President and CEO | Sell | 170 | $80.25 | $13.6K | 76,527 |
| Jun 18, 2026 | Marquez Elena | officer: Chief Financial Officer | Sell | 4,291 | $79.50 | $341.1K | 18,387 |
| Jun 17, 2026 | Fleischhauer Mark | director | Sell | 3,500 | $79.83 | $279.4K | 12,769 |
| Jun 17, 2026 | YAZDI MAHVASH | director | Sell | 7,000 | $80.00 | $560.0K | 19,407-27% |
| Jun 17, 2026 | Ashe Gena L | officer: Chief Legal Officer & Corp Sec | Sell | 17,711 | $81.31 | $1.44M | 13,867-56% |
| Jun 17, 2026 | Guttman-McCabe Christopher | officer: Chief Reg & Comm Officer | Sell | 91,437 | $82.46 | $7.54M | 133,923-41% |
| Nov 18, 2025 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 6,564 | $21.07 | $138.3K | 0 |
| Sep 29, 2025 | Marquez Elena | Chief Financial Officer | Sell | 404 | $22.55 | $9.1K | 0 |
| Jul 12, 2025 | Gerbrandt Ryan | Chief Operating Officer | Sell | 1,470 | $23.95 | $35.2K | 0 |
| Jul 12, 2025 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 1,517 | $23.95 | $36.3K | 0 |
| May 22, 2025 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 2,732 | $28.35 | $77.5K | 0 |
| May 22, 2025 | Gray Timothy | Chief Financial Officer | Sell | 4,098 | $28.35 | $116.2K | 0 |
| May 15, 2025 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 3,421 | $28.18 | $96.4K | 0 |
| May 15, 2025 | Gerbrandt Ryan | Chief Operating Officer | Sell | 4,259 | $28.18 | $120.0K | 0 |
| May 15, 2025 | Gray Timothy | Chief Financial Officer | Sell | 3,428 | $28.18 | $96.6K | 0 |
| May 15, 2025 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 3,879 | $28.19 | $109.4K | 0 |
| Feb 14, 2025 | Heard William | Director | Sell | 35,400 | $39.36 | $1.39M | 0 |
| Dec 16, 2024 | OBRIEN MORGAN E | Executive Chairman | Sell | 13,609 | $33.44 | $455.1K | 0 |
| Dec 9, 2024 | OBRIEN MORGAN E | Executive Chairman | Sell | 76,391 | $34.05 | $2.60M | 0 |
| Nov 19, 2024 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 5,547 | $33.00 | $183.1K | 0 |
| Nov 15, 2024 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 3,447 | $31.93 | $110.1K | 0 |
| Aug 23, 2024 | Schwartz Robert Harris | President and CEO | Sell | 6,355 | $37.54 | $238.6K | 0 |
| Jul 12, 2024 | Gerbrandt Ryan | Chief Operating Officer | Sell | 1,479 | $41.51 | $61.4K | 0 |
| Jul 12, 2024 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 1,518 | $41.51 | $63.0K | 0 |
| Jul 1, 2024 | Schwartz Robert Harris | President and CEO | Sell | 8,045 | $39.59 | $318.5K | 0 |
| May 17, 2024 | Gerbrandt Ryan | Chief Operating Officer | Sell | 1,391 | $33.52 | $46.6K | 0 |
| May 17, 2024 | Gray Timothy | Chief Financial Officer | Sell | 1,166 | $33.52 | $39.1K | 0 |
| May 17, 2024 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 1,427 | $33.52 | $47.8K | 0 |
| May 15, 2024 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 4,066 | $32.72 | $133.0K | 0 |
| May 15, 2024 | Gerbrandt Ryan | Chief Operating Officer | Sell | 2,867 | $32.72 | $93.8K | 0 |
| May 15, 2024 | Gray Timothy | Chief Financial Officer | Sell | 4,811 | $32.72 | $157.4K | 0 |
| May 15, 2024 | Guttman-McCabe Christopher | Chief Reg & Comm Officer | Sell | 2,444 | $32.72 | $80.0K | 0 |
| May 1, 2024 | Gray Timothy | Chief Financial Officer | Sell | 50,000 | $32.09 | $1.60M | 0 |
| Feb 15, 2024 | Gerbrandt Ryan | Chief Operating Officer | Sell | 2,456 | $37.76 | $92.7K | 0 |
| Nov 30, 2023 | Ashe Gena L | Chief Legal Officer & Corp Sec | Sell | 936 | $32.05 | $30.0K | 0 |
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