Frank P. Simpkins

CIK: 0001353839

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)7 (77.8%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (22.2%)

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)

PSIX

POWER SOLUTIONS INTERNATIONAL, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (9 total)

PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Dec 11, 2025
Award(A)
Direct
5K shares-
PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Aug 25, 2025
Sale(S)
Direct
10K shares at avg. $91.64$916K
PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Aug 12, 2025
Sale(S)
Direct
384 shares at avg. $92.52$36K
PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Aug 12, 2025
Sale(S)
Direct
282 shares at avg. $93.68$26K
PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Aug 12, 2025
Sale(S)
Direct
3.1K shares at avg. $95.46$297K
PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Aug 12, 2025
Sale(S)
Direct
206 shares at avg. $96.20$20K
PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Aug 12, 2025
Sale(S)
Direct
912 shares at avg. $94.46$86K
PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Aug 12, 2025
Sale(S)
Direct
108 shares at avg. $91.74$10K
PSIX
POWER SOLUTIONS INTERNATIONAL, INC.
Dec 12, 2024
Award(A)
Direct
5K shares-

		Type	Shares	Price		Ownership
Dec 11, 2025	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Award(A)	5,000	-	-	Direct
Aug 25, 2025	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Sale(S)	10,000	$91.64	$916,380	Direct
Aug 12, 2025	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Sale(S)	384	$92.52	$35,528	Direct
Aug 12, 2025	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Sale(S)	282	$93.68	$26,417	Direct
Aug 12, 2025	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Sale(S)	3,108	$95.46	$296,702	Direct
Aug 12, 2025	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Sale(S)	206	$96.20	$19,818	Direct
Aug 12, 2025	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Sale(S)	912	$94.46	$86,149	Direct
Aug 12, 2025	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Sale(S)	108	$91.74	$9,908	Direct
Dec 12, 2024	PSIX POWER SOLUTIONS INTERNATIONAL, INC.	Award(A)	5,000	-	$0	Direct

1-9 of 9 transactions

About SIMPKINS FRANK P

SIMPKINS FRANK P (SEC CIK 0001353839) files insider reports with the SEC as Director of POWER SOLUTIONS INTERNATIONAL, INC. (PSIX).

Signal8 holds 4 ownership filings by SIMPKINS FRANK P, all Form 4s, filed between Dec 16, 2024 and Dec 12, 2025. Those filings report 9 transactions, from Dec 12, 2024 to Dec 11, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on SIMPKINS FRANK P's filings is in WOOD DALE, IL.

Recent filings by SIMPKINS FRANK P

Dec 11, 2025: Grant or award of PSIX shares (Form 4, code A).
Aug 25, 2025: Open-market sale of PSIX shares (Form 4, code S).
Aug 12, 2025: Open-market sales of PSIX shares (6 lines, Form 4, code S).
Dec 12, 2024: Grant or award of PSIX shares (Form 4, code A).