Anterix Inc. (ATEX) · Insider trading
What Anterix's directors, officers and largest holders bought and sold themselves, from the Form 4 each of them files with the SEC within two business days of a trade. Open-market purchases and sales first: those are the trades somebody chose to make at the market price.
Bought, 12 months
$75,072
1 insider, 2 trades
Sold, 12 months
$27.09M
10 insiders, 6% under a plan
Net, 12 months
−$27.01M
bought less sold
Latest filing
2026-10-13
filings read to 2026-10-19
Who traded, two years
| Insider | Bought | Sold | Trades | Last trade | Holds after |
|---|---|---|---|---|---|
| Guttman-McCabe ChristopherChief Reg & Comm Officer | – | $12.21M | 11 | 2026-08-25 | 62,943 |
| Heard WilliamDirector | – | $5.57M | 7 | 2026-08-14 | – |
| Lang Scott A.Director, President and CEO | $174,024 | $4.38M | 9 | 2026-09-21 | 26,470 |
| Ashe Gena LChief Legal Officer & Corp Sec | – | $2.13M | 6 | 2026-09-08 | 9,238 |
| Daniels Leslie BDirector | $65,500 | $1.09M | 5 | 2026-09-10 | 43,477 |
| Kuhn Thomas R.Director, Other | – | $1.02M | 5 | 2026-08-24 | 23,339 |
| Marquez ElenaChief Financial Officer | – | $741,741 | 6 | 2026-10-09 | 13,104 |
| Martin HeatherChief Marketing Officer, Other | – | $678,989 | 1 | 2026-09-10 | 26,743 |
| Yazdi MahvashDirector | – | $560,000 | 1 | 2026-06-16 | 19,407 |
| Obrien Morgan eDirector, Executive Chairman | – | $455,085 | 1 | 2024-12-16 | 23,973 |
| Fleischhauer MarkDirector | $119,665 | $279,405 | 2 | 2026-06-15 | 12,769 |
| Gray TimothyChief Financial Officer | $1,104 | – | 1 | 2025-08-19 | 77,022 |
Open-market purchases and sales
Newest first. “Plan” marks a trade made under a 10b5-1 plan set up in advance.
| Date | Insider | Trade | Shares | Price | Value | Holds after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-10-09 | Marquez ElenaChief Financial Officer | Saleplan | 3,254 | 80.16 | $260,849 | 13,104 | Form 4 |
| 2026-10-09 | Marquez ElenaChief Financial Officer | Saleplan | 400 | 81.80 | $32,720 | 12,704 | Form 4 |
| 2026-10-09 | Marquez ElenaChief Financial Officer | Saleplan | 100 | 82.50 | $8,250 | 12,604 | Form 4 |
| 2026-10-09 | Marquez ElenaChief Financial Officer | Saleplan | 1,017 | 80.22 | $81,589 | 12,814 | Form 4 |
| 2026-10-09 | Marquez ElenaChief Financial Officer | Saleplan | 210 | 81.90 | $17,199 | 12,604 | Form 4 |
| 2026-09-21 | Lang Scott A.Director, President and CEO | Saleplan | 15,000 | 80.00 | $1.20M | 26,470 | Form 4/A |
| 2026-09-10 | Daniels Leslie BDirector | Sale | 2,500 | 83.83 | $209,575 | 43,477 | Form 4 |
| 2026-09-10 | Martin HeatherChief Marketing Officer, Other | Sale | 8,064 | 84.20 | $678,989 | 26,743 | Form 4 |
| 2026-09-08 | Ashe Gena LChief Legal Officer & Corp Sec | Sale | 293 | 85.44 | $25,034 | 9,238 | Form 4/A |
| 2026-09-08 | Ashe Gena LChief Legal Officer & Corp Sec | Sale | 4,064 | 85.44 | $347,228 | 9,238 | Form 4/A |
| 2026-09-04 | Daniels Leslie BDirector | Sale | 2,900 | 87.31 | $253,199 | 47,177 | Form 4 |
| 2026-09-04 | Daniels Leslie BDirector | Sale | 1,200 | 86.50 | $103,800 | 45,977 | Form 4 |
| 2026-09-03 | Daniels Leslie BDirector | Sale | 6,000 | 87.15 | $522,900 | 50,077 | Form 4 |
| 2026-08-25 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 5,372 | 93.59 | $502,765 | 62,943 | Form 4 |
| 2026-08-25 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 7,791 | 92.77 | $722,771 | 55,152 | Form 4 |
| 2026-08-25 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 7,580 | 91.69 | $695,010 | 47,572 | Form 4 |
| 2026-08-25 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 2,696 | 90.61 | $244,285 | 44,876 | Form 4 |
| 2026-08-24 | Kuhn Thomas R.Director, Other | Sale | 4,392 | 88.18 | $387,287 | 23,339 | Form 4 |
| 2026-08-24 | Kuhn Thomas R.Director, Other | Sale | 4,418 | 89.12 | $393,732 | 18,921 | Form 4 |
| 2026-08-24 | Kuhn Thomas R.Director, Other | Sale | 790 | 90.00 | $71,100 | 18,131 | Form 4 |
| 2026-08-24 | Kuhn Thomas R.Director, Other | Sale | 400 | 91.01 | $36,404 | 17,731 | Form 4 |
| 2026-08-14 | Heard WilliamDirector | Saleindirect | 46,400 | 90.11 | $4.18M | 1,670,338 | Form 4 |
| 2026-08-14 | Lang Scott A.Director, President and CEO | Sale | 800 | 91.69 | $73,352 | 75,727 | Form 4 |
| 2026-08-14 | Lang Scott A.Director, President and CEO | Sale | 10,087 | 90.87 | $916,606 | 65,640 | Form 4 |
| 2026-08-14 | Lang Scott A.Director, President and CEO | Sale | 18,797 | 90.16 | $1.69M | 46,843 | Form 4 |
| 2026-08-14 | Lang Scott A.Director, President and CEO | Sale | 5,373 | 88.96 | $477,982 | 41,470 | Form 4 |
| 2026-06-18 | Kuhn Thomas R.Director, Other | Sale | 1,654 | 79.52 | $131,526 | 17,731 | Form 4 |
| 2026-06-18 | Lang Scott A.Director, President and CEO | Sale | 170 | 80.25 | $13,642 | 76,527 | Form 4 |
| 2026-06-17 | Marquez ElenaChief Financial Officer | Sale | 4,291 | 79.50 | $341,134 | 18,387 | Form 4 |
| 2026-06-16 | Yazdi MahvashDirector | Sale | 7,000 | 80.00 | $560,000 | 19,407 | Form 4 |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 11,668 | 78.73 | $918,622 | 157,576 | Form 4/A |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 5,030 | 79.53 | $400,036 | 152,546 | Form 4/A |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 21,434 | 80.63 | $1.73M | 131,112 | Form 4/A |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 34,870 | 81.51 | $2.84M | 96,242 | Form 4/A |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 21,045 | 82.39 | $1.73M | 75,197 | Form 4/A |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 21,050 | 83.86 | $1.77M | 54,147 | Form 4/A |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Sale | 7,755 | 84.40 | $654,522 | 46,392 | Form 4/A |
| 2026-06-15 | Ashe Gena LChief Legal Officer & Corp Sec | Sale | 13,375 | 81.04 | $1.08M | 13,867 | Form 4 |
| 2026-06-15 | Ashe Gena LChief Legal Officer & Corp Sec | Sale | 4,336 | 82.14 | $356,159 | 9,531 | Form 4 |
| 2026-06-15 | Fleischhauer MarkDirector | Sale | 3,500 | 79.83 | $279,405 | 12,769 | Form 4 |
15 more
| 2025-12-18 | Lang Scott A.Director, President and CEO | Buy | 1,160 | 21.61 | $25,068 | 8,260 | Form 4 |
| 2025-12-08 | Lang Scott A.Director, President and CEO | Buy | 2,450 | 20.41 | $50,004 | 7,100 | Form 4 |
| 2025-11-18 | Ashe Gena LChief Legal Officer & Corp Sec | Sale | 6,564 | 21.07 | $138,303 | 13,366 | Form 4 |
| 2025-09-18 | Lang Scott A.Director, President and CEO | Buy | 4,650 | 21.28 | $98,952 | 4,650 | Form 4 |
| 2025-08-19 | Gray TimothyChief Financial Officer | Buy | 50 | 22.07 | $1,104 | 77,022 | Form 4 |
| 2025-03-21 | Heard WilliamDirector | Saleindirect | 3,500 | 37.97 | $132,895 | 1,716,738 | Form 4 |
| 2025-03-20 | Heard WilliamDirector | Saleindirect | 7,000 | 38.40 | $268,800 | 1,720,238 | Form 4 |
| 2025-03-19 | Heard WilliamDirector | Saleindirect | 6,500 | 38.93 | $253,045 | 1,727,238 | Form 4 |
| 2025-03-17 | Heard WilliamDirector | Saleindirect | 8,251 | 38.73 | $319,561 | 1,733,738 | Form 4 |
| 2025-02-20 | Heard WilliamDirector | Saleindirect | 2,249 | 41.67 | $93,716 | 1,741,989 | Form 4 |
| 2025-02-14 | Heard WilliamDirector | Saleindirect | 7,900 | 41.18 | $325,322 | 1,744,238 | Form 4 |
| 2024-12-16 | Obrien Morgan eDirector, Executive Chairman | Sale | 13,609 | 33.44 | $455,085 | 23,973 | Form 4 |
| 2024-12-05 | Fleischhauer MarkDirector | Buy | 3,500 | 34.19 | $119,665 | 3,500 | Form 4 |
| 2024-11-20 | Daniels Leslie BDirector | Buyindirect | 2,000 | 32.75 | $65,500 | 2,000 | Form 4 |
| 2024-11-19 | Ashe Gena LChief Legal Officer & Corp Sec | Sale | 5,547 | 33.00 | $183,051 | 26,083 | Form 4 |
Grants, exercises and other transactions
Pay, tax and paperwork rather than a choice to trade at the market price. Two years.
31 × shares withheld for tax24 × grant or award17 × option exercise2 × gift
Show them
| Date | Insider | What | Shares | Price | Holds after | Filing |
|---|---|---|---|---|---|---|
| 2026-10-09 | Marquez ElenaChief Financial Officer | Option exercise M | +1,227 | 40.00 | 13,831 | Form 4 |
| 2026-10-05 | Marquez ElenaChief Financial Officer | Shares withheld for tax F | −473 | 84.33 | 16,358 | Form 4 |
| 2026-09-29 | Marquez ElenaChief Financial Officer | Shares withheld for tax F | −1,325 | 81.75 | 16,831 | Form 4 |
| 2026-09-09 | Martin HeatherChief Marketing Officer, Other | Shares withheld for tax F | −3,465 | 85.44 | 34,807 | Form 4 |
| 2026-09-08 | Ashe Gena LChief Legal Officer & Corp Sec | Option exercise M | +6,833 | 34.96 | 16,071 | Form 4/A |
| 2026-09-08 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −2,769 | 86.27 | 13,302 | Form 4/A |
| 2026-08-25 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Option exercise M | +40,000 | 34.72 | 84,876 | Form 4 |
| 2026-08-25 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Shares withheld for tax F | −16,561 | 90.38 | 68,315 | Form 4 |
| 2026-08-24 | Kuhn Thomas R.Director, Other | Option exercise M | +10,000 | 33.62 | 27,731 | Form 4 |
| 2026-08-19 | Heard WilliamDirector | Gift G | −5,400 | – | 3,965 | Form 4 |
| 2026-08-04 | Altman Jeffrey ADirector, 10% owner | Grant or award A | +1,598 | – | 17,014 | Form 4 |
| 2026-08-04 | Daniels Leslie BDirector | Grant or award A | +1,598 | – | 56,077 | Form 4 |
| 2026-08-04 | Yazdi MahvashDirector | Grant or award A | +1,598 | – | 21,005 | Form 4 |
| 2026-08-04 | Heard WilliamDirector | Grant or award A | +1,598 | – | 11,252 | Form 4 |
| 2026-08-04 | Fleischhauer MarkDirector | Grant or award A | +1,598 | – | 14,367 | Form 4 |
| 2026-07-13 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Shares withheld for tax F | −1,516 | 100.96 | 76,291 | Form 4 |
| 2026-07-13 | Marquez ElenaChief Financial Officer | Shares withheld for tax F | −231 | 100.96 | 18,156 | Form 4 |
| 2026-06-17 | Marquez ElenaChief Financial Officer | Option exercise M | +1,226 | 40.00 | 22,678 | Form 4 |
| 2026-06-15 | Lang Scott A.Director, President and CEO | Option exercise M | +63,788 | 30.99 | 90,258 | Form 4 |
| 2026-06-15 | Lang Scott A.Director, President and CEO | Option exercise M | +74,530 | 34.96 | 164,788 | Form 4 |
| 2026-06-15 | Lang Scott A.Director, President and CEO | Shares withheld for tax F | −39,621 | 82.50 | 125,167 | Form 4 |
| 2026-06-15 | Lang Scott A.Director, President and CEO | Shares withheld for tax F | −48,470 | 82.50 | 76,697 | Form 4 |
| 2026-06-15 | Ashe Gena LChief Legal Officer & Corp Sec | Option exercise M | +11,000 | 34.96 | 24,531 | Form 4 |
| 2026-06-15 | Ashe Gena LChief Legal Officer & Corp Sec | Option exercise M | +18,368 | 49.39 | 42,899 | Form 4 |
| 2026-06-15 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −4,661 | 82.50 | 38,238 | Form 4 |
| 2026-06-15 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −10,996 | 82.50 | 27,242 | Form 4 |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Option exercise M | +11,750 | 25.75 | 58,142 | Form 4 |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Option exercise M | +8,000 | 32.50 | 66,142 | Form 4 |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Option exercise M | +50,876 | 34.40 | 117,018 | Form 4 |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Option exercise M | +20,000 | 37.42 | 137,018 | Form 4 |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Option exercise M | +6,715 | 42.14 | 143,733 | Form 4 |
| 2026-06-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Option exercise M | +25,511 | 49.39 | 169,244 | Form 4 |
| 2026-05-22 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −2,501 | 60.00 | 13,531 | Form 4 |
| 2026-05-20 | Kuhn Thomas R.Director, Other | Grant or award A | +2,791 | – | 19,385 | Form 4 |
| 2026-05-20 | Lang Scott A.Director, President and CEO | Grant or award A | +18,210 | – | 26,470 | Form 4 |
| 2026-05-20 | Ashe Gena LChief Legal Officer & Corp Sec | Grant or award A | +3,694 | – | 16,032 | Form 4 |
| 2026-05-20 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Grant or award A | +4,926 | – | 46,392 | Form 4 |
| 2026-05-20 | Marquez ElenaChief Financial Officer | Grant or award A | +3,694 | – | 21,452 | Form 4 |
| 2026-05-20 | Martin HeatherChief Marketing Officer, Other | Grant or award A | +3,694 | – | 38,272 | Form 4 |
| 2026-05-18 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −1,028 | 57.06 | 12,338 | Form 4 |
| 2026-05-18 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Shares withheld for tax F | −1,426 | 57.06 | 41,466 | Form 4 |
| 2026-05-15 | Marquez ElenaChief Financial Officer | Shares withheld for tax F | −271 | 56.62 | 17,758 | Form 4 |
| 2026-03-03 | Ashe Gena LChief Legal Officer & Corp Sec | Option exercise M | +12,427 | 27.83 | 25,793 | Form 4 |
| 2026-03-03 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −12,427 | 36.18 | 13,366 | Form 4 |
| 2025-12-29 | Heard WilliamDirector | Gift G | −1,887 | – | 9,365 | Form 4 |
| 2025-10-04 | Marquez ElenaChief Financial Officer | Shares withheld for tax F | −404 | 22.55 | 18,029 | Form 4 |
| 2025-09-29 | Marquez ElenaChief Financial Officer | Grant or award A | +11,405 | – | 18,433 | Form 4 |
| 2025-08-05 | Altman Jeffrey ADirector, 10% owner | Grant or award A | +7,767 | – | 15,416 | Form 4 |
| 2025-08-05 | Fleischhauer MarkDirector | Grant or award A | +7,767 | – | 16,269 | Form 4 |
| 2025-08-05 | Daniels Leslie BDirector | Grant or award A | +7,767 | – | 54,479 | Form 4 |
| 2025-08-05 | Yazdi MahvashDirector | Grant or award A | +7,767 | – | 26,407 | Form 4 |
| 2025-08-05 | Heard WilliamDirector | Grant or award A | +7,767 | – | 9,654 | Form 4 |
| 2025-07-12 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Shares withheld for tax F | −1,517 | 23.95 | 42,892 | Form 4 |
| 2025-07-12 | Gerbrandt RyanChief Operating Officer | Shares withheld for tax F | −1,470 | 23.95 | 42,362 | Form 4 |
| 2025-06-12 | Kuhn Thomas R.Director, Other | Grant or award A | +6,222 | – | 16,594 | Form 4 |
| 2025-05-22 | Gray TimothyChief Financial Officer | Shares withheld for tax F | −4,098 | 28.35 | 76,972 | Form 4 |
| 2025-05-22 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −2,732 | 28.35 | 19,930 | Form 4 |
| 2025-05-16 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −1,101 | 28.42 | 22,662 | Form 4 |
| 2025-05-16 | Gerbrandt RyanChief Operating Officer | Shares withheld for tax F | −1,383 | 28.42 | 43,832 | Form 4 |
| 2025-05-16 | Gray TimothyChief Financial Officer | Shares withheld for tax F | −1,112 | 28.42 | 81,070 | Form 4 |
| 2025-05-16 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Shares withheld for tax F | −1,427 | 28.42 | 44,409 | Form 4 |
| 2025-05-15 | Ashe Gena LChief Legal Officer & Corp Sec | Shares withheld for tax F | −2,320 | 28.06 | 23,763 | Form 4 |
| 2025-05-15 | Gerbrandt RyanChief Operating Officer | Shares withheld for tax F | −2,876 | 28.06 | 45,215 | Form 4 |
| 2025-05-15 | Gray TimothyChief Financial Officer | Shares withheld for tax F | −2,316 | 28.06 | 82,182 | Form 4 |
| 2025-05-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Shares withheld for tax F | −2,452 | 28.06 | 45,836 | Form 4 |
| 2025-02-28 | Heard WilliamDirector | Grant or award A | +1,887 | – | 1,887 | Form 4 |
| 2024-12-09 | Obrien Morgan eDirector, Executive Chairman | Option exercise M | +90,000 | 25.00 | 113,973 | Form 4 |
| 2024-12-09 | Obrien Morgan eDirector, Executive Chairman | Shares withheld for tax F | −76,391 | 34.05 | 37,582 | Form 4 |
| 2024-12-05 | Kuhn Thomas R.Director, Other | Grant or award A | +6,474 | – | 10,372 | Form 4/A |
| 2024-12-05 | Altman Jeffrey ADirector, 10% owner | Grant or award A | +5,002 | – | 7,649 | Form 4 |
| 2024-12-05 | Yazdi MahvashDirector | Grant or award A | +5,002 | – | 18,640 | Form 4 |
| 2024-12-05 | Daniels Leslie BDirector | Grant or award A | +5,002 | – | 46,712 | Form 4 |
| 2024-12-05 | Fleischhauer MarkDirector | Grant or award A | +5,002 | – | 8,502 | Form 4 |
| 2024-11-15 | Guttman-McCabe ChristopherChief Reg & Comm Officer | Shares withheld for tax F | −3,447 | 31.93 | 48,288 | Form 4 |
How to read it
- Buy, sale
- Code P and S on the form: shares bought or sold in the market, at the market price. The other codes are mostly pay (a grant, an option exercised) or tax (shares the company withheld), and say little about what the insider thinks of the price.
- Plan
- A sale or purchase under a Rule 10b5-1 plan, set up in advance and running on its own schedule. Since April 2023 the form has a box for it. Much executive selling is planned and says more about diversifying than about the company.
- Holds after
- The shares the insider still held after the trade, in the form the trade was in (directly, or indirectly through a trust or a fund).
- Value
- Shares times the price the form reports, which is often an average over several fills on the day.
Read from the SEC's own quarterly data sets of Forms 3, 4 and 5, and from each day's filings since the last one. A correcting amendment replaces the lines it restates. Every row links to its filing. None of this is advice: insiders sell for many reasons, and buy for fewer.