Kirk Arthur

CIK: 0002108307

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (50.0%)

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

Companies & Roles (1)

SSTI

SOUNDTHINKING, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

SSTI
SOUNDTHINKING, INC.
Aug 31, 2026
Tax Payment(F)
Direct
1.2K shares at avg. $6.44$8K
SSTI
SOUNDTHINKING, INC.
Jun 5, 2026
Tax Payment(F)
Direct
1.4K shares at avg. $7.51$11K
SSTI
SOUNDTHINKING, INC.
May 19, 2026
Award(A)
Direct
56.2K shares-
SSTI
SOUNDTHINKING, INC.
Mar 6, 2026
Award(A)
Stock Option (Right to Buy)
Direct
30K shares-

		Type	Shares	Price		Ownership
Aug 31, 2026	SSTI SOUNDTHINKING, INC.	Tax Payment(F)	1,183	$6.44	$7,619	Direct
Jun 5, 2026	SSTI SOUNDTHINKING, INC.	Tax Payment(F)	1,444	$7.51	$10,844	Direct
May 19, 2026	SSTI SOUNDTHINKING, INC.	Award(A)	56,222	-	$0	Direct
Mar 6, 2026	SSTI SOUNDTHINKING, INC.	Award(A) Stock Option (Right to Buy)	30,000	-	-	Direct

1-4 of 4 transactions

About Arthur Kirk

Arthur Kirk (SEC CIK 0002108307) files insider reports with the SEC as SVP, Sales of SOUNDTHINKING, INC. (SSTI).

Signal8 holds 5 ownership filings by Arthur Kirk (1 Form 3, 4 Form 4), filed between Feb 4, 2026 and Sep 2, 2026. Those filings report 4 transactions, from Mar 6, 2026 to Aug 31, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Arthur Kirk's filings is in FREMONT, CA.

Recent filings by Arthur Kirk

Aug 31, 2026: Tax withholding of SSTI shares (Form 4, code F).
Jun 5, 2026: Tax withholding of SSTI shares (Form 4, code F).
May 19, 2026: Grant or award of SSTI shares (Form 4, code A).
Mar 6, 2026: Grant or award of SSTI derivative securities (Form 4, code A).

Other insiders filing for SOUNDTHINKING, INC. (SSTI)

How to read Form 4 transaction codes