REYES JOSE N JR (Chief Technology Officer) sold 8.8% of their position (25.95K shares) of NUSCALE POWER CORP on the open market

Open‑market sale worth $317.1K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

REYES JOSE N JR

Filed: 3/3/2026ACC: 0001822966-26-000025

InsiderREYES JOSE N JRCIK 1912965

→

IssuerNUSCALE POWER CORPCIK 1822966

Officer· Chief Technology Officer

Since May 2022

+63.54K

Net shares

Net buyer

$317.1K

Total sold

Open market trades

0B · 1S

Total transactions

162.90K acquired · 99.35K disposed

Non-Derivative Transactions4

Class A Common Stock

Indirect

M · Option Exercise

+26.64K

Price / share

—

Trade value

—

% of position

12.1%

3/2/2026

220.63K→247.27K

Class A Common Stock

Indirect

M · Option Exercise

+31.25K

Price / share

—

Trade value

—

% of position

12.6%

3/2/2026

247.27K→278.52K

Class A Common Stock

Indirect

M · Option Exercise

+15.51K

Price / share

—

Trade value

—

% of position

5.6%

3/2/2026

278.52K→294.03K

Class A Common Stock

Indirect

S · Sale

−25.95K

Price / share

$12.22

Trade value

$317.12K

% of position

8.8%

3/2/2026

294.03K→268.08K

Total

Net shares

+47.45K

Net value

-$317.12K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Indirect	3/2/2026	M · Option Exercise	+26.64K	—	—	12.1%	220.63K	247.27K
Class A Common Stock Indirect	3/2/2026	M · Option Exercise	+31.25K	—	—	12.6%	247.27K	278.52K
Class A Common Stock Indirect	3/2/2026	M · Option Exercise	+15.51K	—	—	5.6%	278.52K	294.03K
Class A Common Stock Indirect	3/2/2026	S · Sale	−25.95K	$12.22	$317.12K	8.8%	294.03K	268.08K
Total			+47.45K		-$317.12K

Derivative Transactions4

Restricted Stock Unit

Direct

A · Award

Converts to

Class A Common Stock

89.49K shares

+89.49K

Strike price

Held after

89.49K

Exercisable

—

2/28/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

26.64K shares

−26.64K

Strike price

Held after

0.00

Exercisable

—

3/2/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

31.25K shares

−31.25K

Strike price

Held after

31.25K

Exercisable

—

3/2/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

15.51K shares

−15.51K

Strike price

Held after

31.03K

Exercisable

—

3/2/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Unit Direct	Class A Common Stock89.49K shares	2/28/2026	A · Award	+89.49K	—	89.49K
Restricted Stock Unit Direct	Class A Common Stock26.64K shares	3/2/2026	M · Option Exercise	−26.64K	—	0.00
Restricted Stock Unit Direct	Class A Common Stock31.25K shares	3/2/2026	M · Option Exercise	−31.25K	—	31.25K
Restricted Stock Unit Direct	Class A Common Stock15.51K shares	3/2/2026	M · Option Exercise	−15.51K	—	31.03K