Walker James John

Insider

Chief Executive Officer

Trades at: NNE

30D 90D 1Y

Net shares · 365d

-343.7K

0 buy · 343.7K sell

Net value · 365d

-$10.7M

$0 in · $10.7M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 343.7K 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

NNE Exercise·M
Jun 3, 26

Chief Executive Officer · 10b5-1

$0

98.7K sh · 2 lots

Own +207%
NNE Sell·S
Jun 3, 26

Chief Executive Officer · 10b5-1

$3.3M

123.7K sh · $26.49 avg · 8 lots

Own -18%
NNE Exercise·M
Jun 3, 26

Chief Executive Officer · 10b5-1

$210.0K

98.7K sh · $2.13 avg · 2 lots

Own +19%
NNE Exercise·M
Feb 2, 26

Chief Executive Officer

$0

330.0K sh

Own +194%
NNE Exercise·M
Feb 2, 26

Chief Executive Officer

$495.0K

330.0K sh · $1.50

Own +132%
NNE Exercise·M
Jan 28, 26

Chief Executive Officer · 10b5-1

$0

170.0K sh

Own +26%
NNE Sell·S
Jan 28, 26

Chief Executive Officer · 10b5-1

$6.6M

195.0K sh · $34.04 avg · 6 lots

Own -41%
NNE Exercise·M
Jan 28, 26

Chief Executive Officer · 10b5-1

$255.0K

170.0K sh · $1.50

Own +62%
NNE Sell·S
Dec 24, 25

Chief Executive Officer · 10b5-1

$753.1K

25.0K sh · $30.13 avg · 2 lots

Own -8%
NNE Grant·A
Nov 13, 25

Chief Executive Officer

$0

89.0K sh

Own New

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 3, 2026	NNE	Chief Executive Officer	Exercise M	98.7K2 lots	+207%	—	$0
Jun 3, 2026	NNE	Chief Executive Officer	Sell S	123.7K8 lots	-18%	$26.49 avg	$3.3M
Jun 3, 2026	NNE	Chief Executive Officer	Exercise M	98.7K2 lots	+19%	$2.13 avg	$210.0K
Feb 2, 2026	NNE	Chief Executive Officer	Exercise M	330.0K	+194%	—	$0
Feb 2, 2026	NNE	Chief Executive Officer	Exercise M	330.0K	+132%	$1.50	$495.0K
Jan 28, 2026	NNE	Chief Executive Officer	Exercise M	170.0K	+26%	—	$0
Jan 28, 2026	NNE	Chief Executive Officer	Sell S	195.0K6 lots	-41%	$34.04 avg	$6.6M
Jan 28, 2026	NNE	Chief Executive Officer	Exercise M	170.0K	+62%	$1.50	$255.0K
Dec 24, 2025	NNE	Chief Executive Officer	Sell S	25.0K2 lots	-8%	$30.13 avg	$753.1K
Nov 13, 2025	NNE	Chief Executive Officer	Grant A	89.0K	New	—	$0

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

About Walker James John

This profile aggregates every SEC Form 4 insider transaction reported by Walker James John 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.