George Mark R

Insider

Director

Trades at: TT· NSC

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.

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

TT Grant·A
Jun 5, 26

Director

$0

438 sh

Own +26%
TT Other·F
Jun 5, 26

Director

$51.2K

112 sh · $456.84

Own -6%
NSC Exercise·M
Jan 30, 26

President & CEO

—

3.7K sh · 2 lots

Own +12%
NSC Grant·A
Jan 30, 26

President & CEO

—

19.0K sh

Own +112%
NSC Exercise·M
Jan 30, 26

President & CEO

$0

3.7K sh · 2 lots

Own +20%
NSC Other·F
Jan 30, 26

President & CEO

$417.7K

1.4K sh · $289.24 avg · 2 lots

Own -6%
NSC Exercise·M
Jan 27, 26

President & CEO

—

1.4K sh · 2 lots

Own +9%
NSC Other·F
Jan 27, 26

President & CEO

$158.5K

548 sh · $289.19 avg · 2 lots

Own -3%
NSC Exercise·M
Jan 27, 26

President & CEO

$0

1.4K sh · 2 lots

Own +8%
NSC Exercise·M
Sep 13, 25

President & CEO

—

2.7K sh

Own +17%
NSC Other·F
Sep 13, 25

President & CEO

$285.7K

1.0K sh · $275.00

Own -5%
NSC Exercise·M
Sep 13, 25

President & CEO

$0

2.7K sh

Own +16%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 5, 2026	TT	Director	Grant A	438	+26%	—	$0
Jun 5, 2026	TT	Director	Other F	112	-6%	$456.84	$51.2K
Jan 30, 2026	NSC	President & CEO	Exercise M	3.7K2 lots	+12%	—	—
Jan 30, 2026	NSC	President & CEO	Grant A	19.0K	+112%	—	—
Jan 30, 2026	NSC	President & CEO	Exercise M	3.7K2 lots	+20%	—	$0
Jan 30, 2026	NSC	President & CEO	Other F	1.4K2 lots	-6%	$289.24 avg	$417.7K
Jan 27, 2026	NSC	President & CEO	Exercise M	1.4K2 lots	+9%	—	—
Jan 27, 2026	NSC	President & CEO	Other F	5482 lots	-3%	$289.19 avg	$158.5K
Jan 27, 2026	NSC	President & CEO	Exercise M	1.4K2 lots	+8%	—	$0
Sep 13, 2025	NSC	President & CEO	Exercise M	2.7K	+17%	—	—
Sep 13, 2025	NSC	President & CEO	Other F	1.0K	-5%	$275.00	$285.7K
Sep 13, 2025	NSC	President & CEO	Exercise M	2.7K	+16%	—	$0

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

About George Mark R

This profile aggregates every SEC Form 4 insider transaction reported by George Mark R 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.