Transaction · 0002035875-26-000006

Heard William

Heard William, DIR, reported an open-market or private sale at Anterix Inc. involving 46400.000000 shares for an estimated $4181094.72. Reported holdings after the transaction were 1670338.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SDIR
ATEXAnterix Inc.
Trade date
Aug 14, 2026
Filing date
Aug 18, 2026
View on SEC Insider profile
Estimated value-$4.18MShares × reported price
Shares traded46.4k$90.11 per share
Holdings after1.67MIndirect · By Heard Capital LLC
% of reported position traded2.7%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 1,716,738 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

ATEX price since this filing

Daily closing prices, with the filing date and available return windows
ATEX · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +16.1%1w ago +9.4%1d ago +0.8%
Returns since7d +1.1%30d -14.7%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0002035875-26-000006
Common Stock
Transaction date
Aug 14, 2026
Filed Aug 18, 2026, 09:38 PM · 4d delay
Shares
46,400 sh
$90.11 per share
Estimated value
-$4.18M
Computed from shares × price
Holdings after
1,670,338 sh
Indirect · By Heard Capital LLC

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Large Sale
Filing-only score

0 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
    Read the scoring methodology

    Signed filing-only points, not a probability or expected return. Version v1.

    Reported relationships & other filings

    Form 4 relationship flags and nearby filing context

    Reported roles

    No officer title

    Officer NoDirector Yes10% NoOther No
    Footnotes & amended
    1. F1

      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 pr…

    2. 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 L…

    Original filing · 0002035875-26-000006
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