ATEX insider transaction filings
Anterix Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-11. Screen ATEX transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 20 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 30 legs across 10 filings by 7 insiders — 268,780 shares, $23,084,459 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 19.
- Largest priced transaction: sale of 46,400 shares @ $90.11 ($4,181,095) by Heard William, filed 2026-08-18.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Guttman-McCabe Christopher — Chief Reg & Comm Officer | 4 | — | 11 legs · 146,291 sh · $12,207,581 | 4 |
| Heard William — Director | 4 | — | 1 leg · 46,400 sh · $4,181,095 | 3 |
| Lang Scott A. — President and CEO, Director | 1 | — | 4 legs · 35,057 sh · $3,162,734 | — |
| DANIELS LESLIE B — Director | 3 | — | 4 legs · 12,600 sh · $1,089,475 | 1 |
| Kuhn Thomas R. — Director | 1 | — | 5 legs · 11,654 sh · $1,020,053 | 3 |
| Ashe Gena L — Chief Legal Officer & Corp Sec | 2 | — | 4 legs · 8,714 sh · $744,524 | 3 |
| Martin Heather — Chief Marketing Officer | 1 | — | 1 leg · 8,064 sh · $678,998 | 1 |
| ALTMAN JEFFREY A — Director, 10% owner & Owl Creek Asset Management, L.P. — 10% owner | 1 | — | — | 1 |
| Fleischhauer Mark — Director | 1 | — | — | 1 |
| Marquez Elena — Chief Financial Officer | 1 | — | — | 1 |
+1 more insider in the window, not shown — every filing appears in the table below.
Recent Form 4 filings — Anterix Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-11 | 4 | DANIELS LESLIE B — Director | Sale (S): 2,500 @ $83.83 | EDGAR |
| 2026-09-11 | 4/A | Ashe Gena L — Chief Legal Officer & Corp Sec | Sale (S): 293 @ $85.44 · Option exercise (M): 6,833 @ $34.96 · Tax withholding (F): 2,769 @ $86.27 · Sale (S): 4,064 @ $85.44 · Option exercise (M): 6,833 (derivative) @ $0 | EDGAR |
| 2026-09-11 | 4 | Martin Heather — Chief Marketing Officer | Tax withholding (F): 3,465 @ $85.44 · Sale (S): 8,064 @ $84.20 | EDGAR |
| 2026-09-08 | 4 | Ashe Gena L — Chief Legal Officer & Corp Sec | Sale (S): 293 @ $85.44 · Sale (S): 4,064 @ $85.44 | EDGAR |
| 2026-09-08 | 4 | DANIELS LESLIE B — Director | Sale (S): 6,000 @ $87.15 · Sale (S): 2,900 @ $87.31 · Sale (S): 1,200 @ $86.50 | EDGAR |
| 2026-08-27 | 4 | Guttman-McCabe Christopher — Chief Reg & Comm Officer | Option exercise (M): 40,000 @ $34.72 · Tax withholding (F): 16,561 @ $90.38 · Sale (S): 5,372 @ $93.59 · Sale (S): 7,791 @ $92.77 · Sale (S): 7,580 @ $91.69 · Sale (S): 2,696 @ $90.61 · +1 more | EDGAR |
| 2026-08-26 | 4 | Kuhn Thomas R. — Director | Grant/award (A): 2,791 · Sale (S): 1,654 @ $79.52 · Option exercise (M): 10,000 @ $33.62 · Sale (S): 4,392 @ $88.18 · Sale (S): 4,418 @ $89.12 · Sale (S): 790 @ $90.00 · +2 more | EDGAR |
| 2026-08-20 | 4 | Heard William — Director | Gift (G): 5,400 @ $0 | EDGAR |
| 2026-08-18 | 4 | Heard William — Director | Sale (S): 46,400 @ $90.11 | EDGAR |
| 2026-08-17 | 4 | Lang Scott A. — President and CEO, Director | Sale (S): 800 @ $91.69 · Sale (S): 10,087 @ $90.87 · Sale (S): 18,797 @ $90.16 · Sale (S): 5,373 @ $88.96 | EDGAR |
| 2026-08-14 | 4/A | Guttman-McCabe Christopher — Chief Reg & Comm Officer | Sale (S): 11,668 @ $78.73 · Sale (S): 5,030 @ $79.53 · Sale (S): 21,434 @ $80.63 · Sale (S): 34,870 @ $81.51 · Sale (S): 21,045 @ $82.39 · Sale (S): 21,050 @ $83.86 · +1 more | EDGAR |
| 2026-08-07 | 4 | Heard William — Director | Gift (G): 1,887 @ $0 | EDGAR |
| 2026-08-06 | 4 | Heard William — Director | Grant/award (A): 1,598 @ $0 | EDGAR |
| 2026-08-06 | 4 | ALTMAN JEFFREY A — Director, 10% owner Owl Creek Asset Management, L.P. — 10% owner | Grant/award (A): 1,598 @ $0 | EDGAR |
| 2026-08-06 | 4 | Fleischhauer Mark — Director | Grant/award (A): 1,598 @ $0 | EDGAR |
| 2026-08-06 | 4 | YAZDI MAHVASH — Director | Grant/award (A): 1,598 @ $0 | EDGAR |
| 2026-08-06 | 4 | DANIELS LESLIE B — Director | Grant/award (A): 1,598 @ $0 | EDGAR |
| 2026-07-14 | 4 | Marquez Elena — Chief Financial Officer | Tax withholding (F): 231 @ $100.96 | EDGAR |
| 2026-07-14 | 4 | Guttman-McCabe Christopher — Chief Reg & Comm Officer | Tax withholding (F): 1,516 @ $100.96 | EDGAR |
| 2026-07-10 | 4/A | Guttman-McCabe Christopher — Chief Reg & Comm Officer | Holdings only — no transactions reported | EDGAR |
| 2026-06-22 | 4 | Lang Scott A. — President and CEO, Director | Sale (S): 170 @ $80.25 | EDGAR |
| 2026-06-18 | 4 | Marquez Elena — Chief Financial Officer | Option exercise (M): 1,226 @ $40 · Sale (S): 4,291 @ $79.50 · Option exercise (M): 1,226 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Fleischhauer Mark — Director | Sale (S): 3,500 @ $79.83 | EDGAR |
| 2026-06-17 | 4 | Guttman-McCabe Christopher — Chief Reg & Comm Officer | Option exercise (M): 11,750 @ $25.75 · Option exercise (M): 8,000 @ $32.50 · Option exercise (M): 50,876 @ $34.40 · Option exercise (M): 20,000 @ $37.42 · Option exercise (M): 6,715 @ $42.14 · Option exercise (M): 25,511 @ $49.39 · +10 more | EDGAR |
| 2026-06-17 | 4 | Ashe Gena L — Chief Legal Officer & Corp Sec | Option exercise (M): 11,000 @ $34.96 · Option exercise (M): 18,368 @ $49.39 · Tax withholding (F): 4,661 @ $82.50 · Tax withholding (F): 10,996 @ $82.50 · Sale (S): 13,375 @ $81.04 · Sale (S): 4,336 @ $82.14 · +2 more | EDGAR |
| 2026-06-17 | 4 | Lang Scott A. — President and CEO, Director | Option exercise (M): 63,788 @ $30.99 · Option exercise (M): 74,530 @ $34.96 · Tax withholding (F): 39,621 @ $82.50 · Tax withholding (F): 48,470 @ $82.50 · Option exercise (M): 63,788 (derivative) @ $0 · Option exercise (M): 74,530 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | YAZDI MAHVASH — Director | Sale (S): 7,000 @ $80 | EDGAR |
| 2026-05-26 | 4 | Ashe Gena L — Chief Legal Officer & Corp Sec | Tax withholding (F): 2,501 @ $60 | EDGAR |
| 2026-05-22 | 4 | Martin Heather — Chief Marketing Officer | Grant/award (A): 3,694 @ $0 · Grant/award (A): 17,453 (derivative) @ $0 | EDGAR |
| 2026-05-22 | 4 | Marquez Elena — Chief Financial Officer | Grant/award (A): 3,694 @ $0 · Grant/award (A): 17,453 (derivative) @ $0 | EDGAR |
| 2026-05-22 | 4 | Guttman-McCabe Christopher — Chief Reg & Comm Officer | Grant/award (A): 4,926 @ $0 · Grant/award (A): 23,271 (derivative) @ $0 | EDGAR |
| 2026-05-22 | 4 | Ashe Gena L — Chief Legal Officer & Corp Sec | Grant/award (A): 3,694 @ $0 · Grant/award (A): 17,453 (derivative) @ $0 | EDGAR |
| 2026-05-22 | 4 | Lang Scott A. — President and CEO, Director | Grant/award (A): 18,210 @ $0 · Grant/award (A): 72,839 (derivative) @ $0 | EDGAR |
| 2026-05-20 | 4 | Guttman-McCabe Christopher — Chief Reg & Comm Officer | Tax withholding (F): 1,426 @ $57.06 | EDGAR |
| 2026-05-20 | 4 | Ashe Gena L — Chief Legal Officer & Corp Sec | Tax withholding (F): 1,028 @ $57.06 | EDGAR |
| 2026-05-19 | 4 | Marquez Elena — Chief Financial Officer | Tax withholding (F): 271 @ $56.62 | EDGAR |
| 2026-03-04 | 4 | Ashe Gena L — Chief Legal Officer & Corp Sec | Option exercise (M): 12,427 @ $27.83 · Tax withholding (F): 12,427 @ $36.18 · Option exercise (M): 12,427 (derivative) @ $0 | EDGAR |
| 2025-12-19 | 4 | Lang Scott A. — President and CEO, Director | Purchase (P): 1,160 @ $21.61 | EDGAR |
| 2025-12-10 | 4 | Lang Scott A. — President and CEO, Director | Purchase (P): 2,450 @ $20.41 | EDGAR |
| 2025-11-19 | 4 | Ashe Gena L — Chief Legal Officer & Corp Sec | Sale (S): 6,564 @ $21.07 | EDGAR |
| 2025-11-04 | 4 | Marquez Elena — Chief Financial Officer | Grant/award (A): 11,405 @ $0 · Tax withholding (F): 404 @ $22.55 | EDGAR |
| 2025-09-19 | 4 | Lang Scott A. — President and CEO, Director | Purchase (P): 4,650 @ $21.28 | EDGAR |
| 2025-08-21 | 4 | Gray Timothy — Chief Financial Officer | Purchase (P): 50 @ $22.07 | EDGAR |
| 2025-08-07 | 4 | Heard William — Director | Grant/award (A): 7,767 @ $0 | EDGAR |
| 2025-08-07 | 4 | Fleischhauer Mark — Director | Grant/award (A): 7,767 @ $0 | EDGAR |
| 2025-08-07 | 4 | ALTMAN JEFFREY A — Director, 10% owner Owl Creek Asset Management, L.P. — 10% owner | Grant/award (A): 7,767 @ $0 | EDGAR |
| 2025-08-07 | 4 | YAZDI MAHVASH — Director | Grant/award (A): 7,767 @ $0 | EDGAR |
| 2025-08-07 | 4 | DANIELS LESLIE B — Director | Grant/award (A): 7,767 @ $0 | EDGAR |
| 2025-07-15 | 4 | Gerbrandt Ryan — Chief Operating Officer | Tax withholding (F): 1,470 @ $23.95 | EDGAR |
| 2025-07-15 | 4 | Guttman-McCabe Christopher — Chief Reg & Comm Officer | Tax withholding (F): 1,517 @ $23.95 | EDGAR |
Recent 8-K events — Anterix Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-18 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-08-11 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-06 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-10 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-21 | 8-K/A | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-21 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-06 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-01 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-11 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-02 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
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