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Who

Diana J. Walters

Director

Company insider

Files Form 4 as: Director, Trilogy Metals; Director, NuScale Power; Director, Atmos Energy; Director, Alta Mesa Resources, Inc. /DE; Director, Electrum Special Acquisition.

In numbers

Trades disclosed
108
Buys
2
Sells
5
Bought
$14K
Sold
$929K
Companies
5
Companies where not an officer
5
First trade
10 Jun 2015
Last trade
1 Sep 2026
Last filed
1 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
TMQ Trilogy MetalsDirector · Gold & Silver Miners · last 1 Sep 20262 buys · 3 sells
SMR NuScale PowerDirector · Nuclear Technology · last 29 May 20260 buys · 0 sells
ATO Atmos EnergyDirector · Gas & Water Utilities · last 5 Feb 20250 buys · 2 sells
Alta Mesa Resources, Inc. /DEDirector · last 12 Apr 20180 buys · 0 sells
Electrum Special AcquisitionDirector · last 16 Jun 20150 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Sep 2026filed 1 Sep 2026TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—950.901 at $0.00filing
1 Sep 2026filed 1 Sep 2026TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—950.9 at $0.00filing
1 Jun 2026filed 1 Jun 2026TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—791.68 at $0.00filing
1 Jun 2026filed 1 Jun 2026TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—791.68 at $0.00filing
29 May 2026filed 2 Jun 2026SMR NuScale PowerNuclear TechnologySEC FORM 4 Code A—8,681 at $0.00filing
29 May 2026filed 2 Jun 2026SMR NuScale PowerNuclear TechnologySEC FORM 4 Code A—8,681 at $0.00filing
23 Apr 2026filed 24 Apr 2026TMQ Trilogy MetalsGold & Silver MinersSEC FORM 4 Code M$81K50,000 at $1.61filing
23 Apr 2026filed 24 Apr 2026TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code M—50,000 at $0.00filing
23 Apr 2026filed 24 Apr 2026TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code M—50,000 at $0.00filing
23 Apr 2026filed 24 Apr 2026TMQ Trilogy MetalsGold & Silver MinersSEC FORM 4 Code M$81K50,000 at $1.61filing
2 Mar 2026filed 2 Mar 2026TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—814.12 at $0.00filing
2 Mar 2026filed 2 Mar 2026TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—814.12 at $0.00filing
11 Dec 2025filed 12 Dec 2025TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—50,000 at $0.00filing
1 Dec 2025filed 2 Dec 2025TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—3,428.77 at $0.00filing
8 Oct 2025filed 10 Oct 2025TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code M—100,000 at $0.00filing
8 Oct 2025filed 10 Oct 2025TMQ Trilogy MetalsGold & Silver MinersSEC FORM 4 Code M$181K100,000 at $1.81filing
8 Oct 2025filed 10 Oct 2025TMQ Trilogy MetalsGold & Silver MinersSEC FORM 4 Sold$703K100,000 at $7.03filing
2 Sep 2025filed 3 Sep 2025TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—8,424.56 at $0.00filing
2 Jun 2025filed 3 Jun 2025TMQ Trilogy Metalsoption or derivative · Gold & Silver MinersSEC FORM 4 Code A—11,451.51 at $0.00filing
28 May 2025filed 30 May 2025SMR NuScale PowerNuclear TechnologySEC FORM 4 Code A—3,109 at $0.00filing

Sectors

Materials5
Utilities2

Buys in green, sells in red, by the company’s sector.

Related people

Robert Ramsey HamadyChief Financial Officer · Chief Financial Officer at Nuscale Power, filing Form 4 there in the last year
Kent KresaDirector · Director at Nuscale Power, filing Form 4 there in the last year
Alan L. BoeckmannDirector · Director at Nuscale Power, filing Form 4 there in the last year
South32 Ltd10% owner · 10% owner at Trilogy Metals, filing Form 4 there in the last year
Shinji FujinoDirector · Director at Nuscale Power, filing Form 4 there in the last year
William James WareDirector · Also traded ATO in the last 90 days