Armstrong Jason

Insider

CFO & Treasurer

Trades at: CMCSA

30D 90D 1Y

Net shares · 365d

-4.5K

0 buy · 4.5K sell

Net value · 365d

-$142.6K

$0 in · $142.6K out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 4.5K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

CMCSA Exercise·M
Mar 5, 26

CFO

$2.1M

73.5K sh · $28.38

Own New
CMCSA Sell·S
Mar 5, 26

CFO

$142.6K

4.5K sh · $31.74

Own -3%
CMCSA Other·F
Mar 5, 26

CFO

$2.2M

69.0K sh · $31.75

Own -41%
CMCSA Exercise·M
Mar 5, 26

CFO

$2.1M

73.5K sh · $28.38

Own +74%
CMCSA Exercise·M
Mar 1, 26

CFO

$0

103.5K sh · 3 lots

Own New
CMCSA Exercise·M
Mar 1, 26

CFO

$0

103.5K sh · 3 lots

Own +239%
CMCSA Other·F
Mar 1, 26

CFO

$1.5M

47.8K sh · $30.96 avg · 3 lots

Own -25%
CMCSA Grant·A
Feb 24, 26

CFO

$0

93.1K sh

Own New
CMCSA Exercise·M
Jan 20, 26

CFO

$0

8.2K sh

Own +55%
CMCSA Other·F
Jan 20, 26

CFO

$112.3K

4.0K sh · $28.42

Own -8%
CMCSA Exercise·M
Jan 20, 26

CFO

$0

8.2K sh

Own +21%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Mar 5, 2026	CMCSA	CFO	Exercise M	73.5K	New	$28.38	$2.1M
Mar 5, 2026	CMCSA	CFO	Sell S	4.5K	-3%	$31.74	$142.6K
Mar 5, 2026	CMCSA	CFO	Other F	69.0K	-41%	$31.75	$2.2M
Mar 5, 2026	CMCSA	CFO	Exercise M	73.5K	+74%	$28.38	$2.1M
Mar 1, 2026	CMCSA	CFO	Exercise M	103.5K3 lots	New	—	$0
Mar 1, 2026	CMCSA	CFO	Exercise M	103.5K3 lots	+239%	—	$0
Mar 1, 2026	CMCSA	CFO	Other F	47.8K3 lots	-25%	$30.96 avg	$1.5M
Feb 24, 2026	CMCSA	CFO	Grant A	93.1K	New	—	$0
Jan 20, 2026	CMCSA	CFO	Exercise M	8.2K	+55%	—	$0
Jan 20, 2026	CMCSA	CFO	Other F	4.0K	-8%	$28.42	$112.3K
Jan 20, 2026	CMCSA	CFO	Exercise M	8.2K	+21%	—	$0

Buy Sell Non-market (grant · exercise · gift)

About Armstrong Jason

This profile aggregates every SEC Form 4 insider transaction reported by Armstrong Jason across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.