David A. Tonnel

CIK: 0001318251

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (33.3%)

Position reduction

Option Exercises (M)1 (33.3%)

Derivative conversions

Awards (A)1 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

SMR

NUSCALE POWER Corp

Officer

Discretionary Trading P&L

Holdings

Transaction History (3 total)

SMR
NUSCALE POWER Corp
Mar 25, 2026
Sale(S)
Direct
2.3K shares at avg. $11.85$27K
SMR
NUSCALE POWER Corp
Mar 24, 2026
Exercise(M)
Direct
9.7K shares-
SMR
NUSCALE POWER Corp
Feb 28, 2026
Award(A)
Restricted Stock Unit
Direct
54.5K shares-

		Type	Shares	Price		Ownership
Mar 25, 2026	SMR NUSCALE POWER Corp	Sale(S)	2,290	$11.85	$27,125	Direct
Mar 24, 2026	SMR NUSCALE POWER Corp	Exercise(M)	9,710	-	$0	Direct
Feb 28, 2026	SMR NUSCALE POWER Corp	Award(A) Restricted Stock Unit	54,474	-	-	Direct

1-3 of 3 transactions

About Tonnel David A

Tonnel David A (SEC CIK 0001318251) files insider reports with the SEC as Chief Accounting Officer of NUSCALE POWER Corp (SMR).

Signal8 holds 3 ownership filings by Tonnel David A (1 Form 3, 2 Form 4), filed between Dec 1, 2025 and Mar 26, 2026. Those filings report 3 transactions, from Feb 28, 2026 to Mar 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Tonnel David A's filings is in CORVALLIS, OR.

Recent filings by Tonnel David A

Mar 25, 2026: Open-market sale of SMR shares (Form 4, code S).
Mar 24, 2026: Option exercise of SMR shares (Form 4, code M).
Feb 28, 2026: Grant or award of SMR derivative securities (Form 4, code A).

Other insiders filing for NUSCALE POWER Corp (SMR)

Hamady Robert Ramsey, Chief Financial Officer
BOECKMANN ALAN L, Director
KRESA KENT, Director
Fujino Shinji, Director
Fisher Carl M., Chief Operating Officer
Harshaw Stuart Alan, Director

How to read Form 4 transaction codes