SCOTT CLAYTON (Chief Commercial Officer) sold 14.5% of their position (22.48K shares) of NUSCALE POWER CORP on the open market

Open‑market sale worth $274.7K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

SCOTT CLAYTON

Filed: 3/3/2026ACC: 0001953454-26-000002

InsiderSCOTT CLAYTONCIK 1953454

→

IssuerNUSCALE POWER CORPCIK 1822966

Officer· Chief Commercial Officer

Since Feb 2026

+90.36K

Net shares

Net buyer

$274.7K

Total sold

Open market trades

0B · 1S

Total transactions

181.21K acquired · 90.84K disposed

Non-Derivative Transactions4

Class A Common Stock

Direct

M · Option Exercise

+19.05K

Price / share

—

Trade value

—

% of position

21.9%

3/2/2026

86.97K→106.02K

Class A Common Stock

Direct

M · Option Exercise

+26.04K

Price / share

—

Trade value

—

% of position

24.6%

3/2/2026

106.02K→132.06K

Class A Common Stock

Direct

M · Option Exercise

+23.27K

Price / share

—

Trade value

—

% of position

17.6%

3/2/2026

132.06K→155.33K

Class A Common Stock

Direct

S · Sale

−22.48K

Price / share

$12.22

Trade value

$274.68K

% of position

14.5%

3/2/2026

155.33K→132.85K

Total

Net shares

+45.89K

Net value

-$274.68K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	3/2/2026	M · Option Exercise	+19.05K	—	—	21.9%	86.97K	106.02K
Class A Common Stock Direct	3/2/2026	M · Option Exercise	+26.04K	—	—	24.6%	106.02K	132.06K
Class A Common Stock Direct	3/2/2026	M · Option Exercise	+23.27K	—	—	17.6%	132.06K	155.33K
Class A Common Stock Direct	3/2/2026	S · Sale	−22.48K	$12.22	$274.68K	14.5%	155.33K	132.85K
Total			+45.89K		-$274.68K

Derivative Transactions4

Restricted Stock Unit

Direct

A · Award

Converts to

Class A Common Stock

112.84K shares

+112.84K

Strike price

Held after

112.84K

Exercisable

—

2/28/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

19.05K shares

−19.05K

Strike price

Held after

0.00

Exercisable

—

3/2/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

26.04K shares

−26.04K

Strike price

Held after

26.04K

Exercisable

—

3/2/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

23.27K shares

−23.27K

Strike price

Held after

46.54K

Exercisable

—

3/2/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Unit Direct	Class A Common Stock112.84K shares	2/28/2026	A · Award	+112.84K	—	112.84K
Restricted Stock Unit Direct	Class A Common Stock19.05K shares	3/2/2026	M · Option Exercise	−19.05K	—	0.00
Restricted Stock Unit Direct	Class A Common Stock26.04K shares	3/2/2026	M · Option Exercise	−26.04K	—	26.04K
Restricted Stock Unit Direct	Class A Common Stock23.27K shares	3/2/2026	M · Option Exercise	−23.27K	—	46.54K