Reported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| Anterix Inc.ATEX · Entity 4597 | Director | August 19, 2026 | August 20, 2026 |
Disclosed balances
About these balances
Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.
Anterix Inc.
Report date August 19, 2026 · Filed August 20, 2026
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Common Stock, par value $0.0001 per share ("Common Stock")SEC Table I · non-derivative | Direct | 3,965 |
Reported balance
After 2026-08-19 transaction · row 1
1 source rowRow 1 · 2026-08-19 · Gift · Disposed 5,400 · Balance 3,965 F1: Represents a charitable donation of shares to a Donor Advised Fund. |
| Common StockSEC Table I · non-derivative | IndirectBy Heard Capital LLC | 1,670,338 |
Reported balance
Holding disclosure · report date 2026-08-19 · row 2
Holding and transaction disclosures are not merged.
1 source rowRow 2 · Balance 1,670,338 F2: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein. |
Filing footnotes · ownership attribution and instrument terms
F1: Represents a charitable donation of shares to a Donor Advised Fund.
F2: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein.
Transaction history
JSON APIPurchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Company | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| August 19, 2026 Filed Aug 20, 2026 20:29 UTC | Anterix Inc. ATEX · Entity 4597 | GiftCommon Stock, par value $0.0001 per share ("Common Stock") | 5,400 | $0.00 | $0.00 |
DisclosureSEC source: 0002035875-26-000009 · wk-form4_1787257789.xml · nonDerivative · entry 1 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,965 F1 · kind: Represents a charitable donation of shares to a Donor Advised Fund. Read SEC document |
| August 14, 2026 Filed Aug 18, 2026 21:38 UTC | Anterix Inc. ATEX · Entity 4597 | SaleCommon Stock | 46,400 | $90.11 | $4,181,094.72 |
DisclosureSEC source: 0002035875-26-000006 · wk-form4_1787089080.xml · nonDerivative · entry 1 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Heard Capital LLC Disclosed balance after: 1,670,338 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.9942 to $90.115, 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. F2 · ownership.nature: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein. Read SEC document |
| August 04, 2026 Filed Aug 6, 2026 20:51 UTC | Anterix Inc. ATEX · Entity 4597 | GrantCommon Stock, par value $0.0001 per share ("Common Stock") | 1,598 | $0.00 | $0.00 |
DisclosureSEC source: 0002035875-26-000002 · wk-form4_1786049461.xml · nonDerivative · entry 1 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 11,252 F1 · shares: The Shares will vest on the earlier of the 2027 Annual Meeting of shareholders and August 4, 2027, subject to the terms of the Restricted Stock Agreement. Read SEC document |
| December 29, 2025 Filed Aug 7, 2026 22:32 UTC | Anterix Inc. ATEX · Entity 4597 | GiftCommon Stock, par value $0.0001 per share ("Common Stock") | 1,887 | $0.00 | $0.00 |
DisclosureSEC source: 0002035875-26-000004 · wk-form4_1786141932.xml · nonDerivative · entry 1 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,365 F1 · kind: Represents a charitable donation of shares to a Donor Advised Fund. Read SEC document |
| August 05, 2025 Filed Aug 7, 2025 21:49 UTC | Anterix Inc. ATEX · Entity 4597 | GrantCommon Stock, par value $0.0001 per share ("Common Stock") | 7,767 | $0.00 | $0.00 |
DisclosureSEC source: 0002035875-25-000002 · primary_doc.xml · nonDerivative · entry 1 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,654 F1 · shares: Represents restricted stock granted to Mr. Heard as compensation of his service as a non-employee director on the Issuer's board of directors. The restricted stock vests in full on the earlier of (i) August 5, 2026 or (ii) the Issuer's next annual stockholder meeting; provided, however, that if the vesting would otherwise occur on a date that is closed for trading under the Issuer's Insider Trading Policy, the vesting shall be automatically deemed to occur on the next trading day on which the sale of shares of common stock by the Reporting Person in the open market would be permitted under the Issuer's Insider Trading Policy. Read SEC document |
| March 21, 2025 Filed Apr 17, 2025 19:57 UTC | Anterix Inc. ATEX · Entity 4597 | SaleCommon Stock | 3,500 | $37.97 | $132,895.00 |
DisclosureSEC source: 0002035875-25-000001 · primary_doc.xml · nonDerivative · entry 6 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Heard Capital LLC Disclosed balance after: 1,716,738 F1 · date: The dispositions reported herein were executed under the trading discretion of an individual portfolio manager at Heard Capital LLC without any instruction from or knowledge of the Reporting Person. The Reporting Person has promptly reported the transactions after becoming aware of them. F3 · ownership.nature: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein. Read SEC document |
| March 20, 2025 Filed Apr 17, 2025 19:57 UTC | Anterix Inc. ATEX · Entity 4597 | SaleCommon Stock | 7,000 | $38.40 | $268,800.00 |
DisclosureSEC source: 0002035875-25-000001 · primary_doc.xml · nonDerivative · entry 5 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Heard Capital LLC Disclosed balance after: 1,720,238 F1 · date: The dispositions reported herein were executed under the trading discretion of an individual portfolio manager at Heard Capital LLC without any instruction from or knowledge of the Reporting Person. The Reporting Person has promptly reported the transactions after becoming aware of them. F2 · price: This is a weighted average price. These shares were sold in multiple transactions at prices in the range indicated for the corresponding transaction date as follows: Price range for 02/14/2025: $40.83 to $41.48, inclusive; Price range for 03/17/2025: $38.49 to $39.41, inclusive; Price range for 03/19/2025: $38.84 to $38.99, inclusive; Price range for 03/20/2025: $38.40 to $38.39, 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 shares sold at each separate price within such range. F3 · ownership.nature: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein. Read SEC document |
| March 19, 2025 Filed Apr 17, 2025 19:57 UTC | Anterix Inc. ATEX · Entity 4597 | SaleCommon Stock | 6,500 | $38.93 | $253,045.00 |
DisclosureSEC source: 0002035875-25-000001 · primary_doc.xml · nonDerivative · entry 4 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Heard Capital LLC Disclosed balance after: 1,727,238 F1 · date: The dispositions reported herein were executed under the trading discretion of an individual portfolio manager at Heard Capital LLC without any instruction from or knowledge of the Reporting Person. The Reporting Person has promptly reported the transactions after becoming aware of them. F2 · price: This is a weighted average price. These shares were sold in multiple transactions at prices in the range indicated for the corresponding transaction date as follows: Price range for 02/14/2025: $40.83 to $41.48, inclusive; Price range for 03/17/2025: $38.49 to $39.41, inclusive; Price range for 03/19/2025: $38.84 to $38.99, inclusive; Price range for 03/20/2025: $38.40 to $38.39, 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 shares sold at each separate price within such range. F3 · ownership.nature: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein. Read SEC document |
| March 17, 2025 Filed Apr 17, 2025 19:57 UTC | Anterix Inc. ATEX · Entity 4597 | SaleCommon Stock | 8,251 | $38.73 | $319,561.23 |
DisclosureSEC source: 0002035875-25-000001 · primary_doc.xml · nonDerivative · entry 3 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Heard Capital LLC Disclosed balance after: 1,733,738 F1 · date: The dispositions reported herein were executed under the trading discretion of an individual portfolio manager at Heard Capital LLC without any instruction from or knowledge of the Reporting Person. The Reporting Person has promptly reported the transactions after becoming aware of them. F2 · price: This is a weighted average price. These shares were sold in multiple transactions at prices in the range indicated for the corresponding transaction date as follows: Price range for 02/14/2025: $40.83 to $41.48, inclusive; Price range for 03/17/2025: $38.49 to $39.41, inclusive; Price range for 03/19/2025: $38.84 to $38.99, inclusive; Price range for 03/20/2025: $38.40 to $38.39, 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 shares sold at each separate price within such range. F3 · ownership.nature: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein. Read SEC document |
| February 28, 2025 Filed Mar 5, 2025 00:22 UTC | Anterix Inc. ATEX · Entity 4597 | GrantCommon Stock | 1,887 | $0.00 | $0.00 |
DisclosureSEC source: 0001304492-25-000026 · wk-form4_1741134122.xml · nonDerivative · entry 1 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,887 F1 · shares: The restricted stock awards ("RSAs") vests in full on the earlier of (i) August 6, 2025 or (ii) the Issuer's next annual stockholder meeting. F2 · shares: Represents RSAs granted to Mr. Heard as compensation of his service as a non-employee director on the Issuer's board of directors. Read SEC document |
| February 20, 2025 Filed Apr 17, 2025 19:57 UTC | Anterix Inc. ATEX · Entity 4597 | SaleCommon Stock | 2,249 | $41.67 | $93,715.83 |
DisclosureSEC source: 0002035875-25-000001 · primary_doc.xml · nonDerivative · entry 2 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Heard Capital LLC Disclosed balance after: 1,741,989 F1 · date: The dispositions reported herein were executed under the trading discretion of an individual portfolio manager at Heard Capital LLC without any instruction from or knowledge of the Reporting Person. The Reporting Person has promptly reported the transactions after becoming aware of them. F3 · ownership.nature: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein. Read SEC document |
| February 14, 2025 Filed Apr 17, 2025 19:57 UTC | Anterix Inc. ATEX · Entity 4597 | SaleCommon Stock, par value $0.0001 per share ("Common Stock") | 7,900 | $41.18 | $325,322.00 |
DisclosureSEC source: 0002035875-25-000001 · primary_doc.xml · nonDerivative · entry 1 Heard William · CIK 0002035875 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Heard Capital LLC Disclosed balance after: 1,744,238 F1 · date: The dispositions reported herein were executed under the trading discretion of an individual portfolio manager at Heard Capital LLC without any instruction from or knowledge of the Reporting Person. The Reporting Person has promptly reported the transactions after becoming aware of them. F2 · price: This is a weighted average price. These shares were sold in multiple transactions at prices in the range indicated for the corresponding transaction date as follows: Price range for 02/14/2025: $40.83 to $41.48, inclusive; Price range for 03/17/2025: $38.49 to $39.41, inclusive; Price range for 03/19/2025: $38.84 to $38.99, inclusive; Price range for 03/20/2025: $38.40 to $38.39, 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 shares sold at each separate price within such range. F3 · ownership.nature: These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.