CMCSA Insider Trading Activity and SEC Form 4 Filings

Donald J. Trump

Trump's trades in CMCSA

From his financial disclosures

All Trump trades
$2.5M+
19 purchases
$919K+
9 sales
Purchase
Aug 21, 2026
Reported 48d later
$250K - $500K
Purchase
Aug 17, 2026
Reported 52d later
$15K - $50K
Purchase
Aug 10, 2026
Reported 59d later
$1M - $5M
Purchase
Jul 27, 2026
Reported 57d later
$50K - $100K
Purchase
Jul 24, 2026
Reported 60d later
$1K - $15K
Purchase
Jul 23, 2026
Reported 61d later
$50K - $100K

Includes 1 trade in CMCSA bonds. Many orders in these accounts are placed by the account manager. See all 29 trades

CMCSA insider trading summary

Over the past 12 months, insiders at Comcast Corp (CMCSA) reported 2 sales worth $388K by 2 insiders and no open-market purchases on SEC Form 4. Net insider selling was $388K.

Latest CMCSA insider buys and sells

DateInsiderTypeValue
Mar 5, 2026Jason ArmstrongSell$143K
Feb 3, 2026Asuka NakaharaSell$246K
Nov 27, 2024Brian L RobertsSell$10.1M
Nov 26, 2024Michael J CavanaghSell$4.6M
Nov 26, 2024Michael J CavanaghSell$1.1M
Nov 26, 2024Brian L RobertsSell$10.0M
Nov 22, 2024Kenneth J BaconSell$625K
Nov 6, 2024Jason ArmstrongSell$594K
Nov 6, 2024Jason ArmstrongSell$449K
Jan 29, 2024Michael J CavanaghSell$5.3M

Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.

CMCSA Insider Trading: Comcast Corp Buys & Sells | Insidra