Comcast Corp. (CCZ) insider trading: who bought and sold

CCZ insider activity

89 transactions on file (0 open-market purchases and 3 open-market sales).

Scheduled or decided

3 open-market sales by CCZ insiders, between Feb 3, 2026 and Mar 5, 2026.

A sale made under a trading plan agreed months earlier is not the same event as one decided that week, and the filing itself says which.

Discretionary. The box was on the form and was not ticked. The sale was made at the prevailing price without a pre-arranged plan behind it.: $2.28M; 3 filings · 3 people
Planned (10b5-1). The filer ticked the Form 4's 10b5-1 box. The sale ran under a trading plan adopted before the trade, so it is a schedule executing rather than a view taken this week.: None; no sales on file
Not stated. The filing does not say. Either it predates the April 2023 checkbox, or nothing has re-read it since. This tab will not guess which of the other two it was.: None; no sales on file

Recent transactions 89 filed

Date	Insider	Type	Shares	Price	Value	Owned after
2026-09-02	ROBERTS BRIAN L Chairman of Board & Co-CEO · Director Gift	Gift	−101,900	$0.00	−0	5,391,826
2026-08-17	BREEN EDWARD D Director Gift	Gift	−62,440	$0.00	−0	27,337.277
2026-08-05	ROBERTS BRIAN L Chairman of Board & Co-CEO · Director Gift	Gift	−204,100	$0.00	−0	5,493,726
2026-06-30	Smith Gordon Director Grant / award	Grant / award	+1,375	$0.00	+0	10,521.628
2026-06-30	Honickman Jeffrey A Director Grant / award	Grant / award	+1,783	$0.00	+0	271,783.639

84 more transactions are on Measure

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Each insider's stake 3 people

Insider	Role	On Sep 23, 2025	Now	Change	Sold
NAKAHARA ASUKADirector	Director	66,232.705	57,957.705	−12.49%	$246K$246K no plan
Cavanagh Michael JCo-CEO, Director	Co-CEO, Director	680,283	622,336	−8.52%	$1.89M$1.89M no plan
Armstrong JasonCFO	CFO	172,399.583	167,905.583	−2.61%	$143K$143K no plan

What each insider held after every open-market trade, over the last twelve months.

The figure is each person’s holding as they reported it. It counts one class of stock and excludes grants, option exercises and shares withheld for tax, so a stake can fall here while somebody’s total holding does not. Since April 2023 a Form 4 states whether a trade ran under a pre-arranged 10b5-1 plan; an older one does not, and those dollars read “not stated” rather than being counted either way.

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The assistant answers from what CCZ has actually filed: 19 annual reports filed with the SEC and 89 Form 4 filings from the last year. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.

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What an account lets you do with CCZ's filings

Source

From SEC Form 4 filings, filed within two business days of a transaction.

They are filed by officers, directors and 10%-owners. “Indirect” holdings (a trust, an LLC, a family member) are included and not distinguished from direct ones in this table.

Past transactions say nothing about future ones, and none of this is investment advice.

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What an account lets you do with CCZ's filings

After each open-market trade