Ralph A. Clark - 19 May 2026 Form 4 Insider Report for SOUNDTHINKING, INC. (SSTI)

Reporting relationship: President and CEO, Director
Issuer ticker: SSTI
Reported as of: 19 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 May 2026, 16:06:27 UTC
Prior SEC filing: 11 Sep 2025
Next SEC filing: 01 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Ralph A. Clark

Key filing fact

Ralph A. Clark filed Form 4 for SOUNDTHINKING, INC. (SSTI) on 21 May 2026.

Key facts

This page summarizes Ralph A. Clark's Form 4 filing for SOUNDTHINKING, INC. (SSTI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 16:06.

Change

Previous filing in this sequence was filed on 11 Sep 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001705470 Primary reporting owner

Clark Ralph A.

Relationship: President and CEO, Director
Address: C/O SOUNDTHINKING INC.,, 39300 CIVIC CENTER DRIVE, FREMONT
Signature: /s/ Ralph A. Clark
Signature date: 21 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SSTI transaction

Common Stock

Award

Transaction value
Shares: +239,880
Change %: +41%
Price: $0.000000^*
Shares after: 828,518
Date: 19 May 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon settlement. 1/12 of the shares subject to the award vest on the first Quarterly Date (as defined below) that occurs following the vesting commencement date (May 31, 2026), and 1/12 of the total number of shares subject to the award vest on each Quarterly Date thereafter, subject to the recipient's Continuous Service (as defined in the Issuer's 2017 Equity Incentive Plan, as amended) through each applicable Quarterly Date. "Quarterly Date" means each of February 28, May 31, August 31, and November 30, of a given calendar year.