Mark Stephen Walker

Insider

Chief Operating Officer

Trades at: FOR

30D 90D 1Y

No open-market buys or sells in this period. The transactions below are grants, option exercises and gifts, which carry no market price.

Net buy / sell volume (all companies)

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions

Show open-market only

FOR Exercise·M
Mar 31, 26

Chief Operating Officer

$0

2.8K sh

Own New
FOR Other·F
Mar 31, 26

Chief Operating Officer

$30.6K

1.3K sh · $24.44

Own -4%
FOR Exercise·M
Mar 31, 26

Chief Operating Officer

$0

2.8K sh

Own +11%
FOR Exercise·M
Mar 28, 26

Chief Operating Officer

$0

2.0K sh

Own +50%
FOR Other·F
Mar 28, 26

Chief Operating Officer

$22.0K

887 sh · $24.81

Own -3%
FOR Exercise·M
Mar 28, 26

Chief Operating Officer

$0

2.0K sh

Own +8%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Mar 31, 2026	FOR	Chief Operating Officer	Exercise M	2.8K	New	—	$0
Mar 31, 2026	FOR	Chief Operating Officer	Other F	1.3K	-4%	$24.44	$30.6K
Mar 31, 2026	FOR	Chief Operating Officer	Exercise M	2.8K	+11%	—	$0
Mar 28, 2026	FOR	Chief Operating Officer	Exercise M	2.0K	+50%	—	$0
Mar 28, 2026	FOR	Chief Operating Officer	Other F	887	-3%	$24.81	$22.0K
Mar 28, 2026	FOR	Chief Operating Officer	Exercise M	2.0K	+8%	—	$0

About Mark Stephen Walker

This profile aggregates every SEC Form 4 insider transaction reported by Mark Stephen Walker 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.