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  4. [Form 4] SOUNDTHINKING, INC. Insider Trading Activity

SoundThinking SVP has 1,183 shares withheld for tax

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

SOUNDTHINKING, INC. (SSTI) reported that Arthur Kirk, its SVP, Sales, had 1,183 shares of common stock withheld on August 31, 2026 to satisfy tax withholding obligations arising from the vesting and settlement of previously reported restricted stock units. The shares were valued at $6.44 per share for this withholding, and Kirk now directly holds 53,595 common shares. The transaction was reported as a payment of tax liability by delivering or withholding securities, and no Rule 10b5-1 trading plan is reported.

Positive

  • None.

Negative

  • None.
Insider Arthur Kirk
Role SVP, Sales
Type Security Shares Price Value
Tax Withholding Common Stock F1 1,183 $6.44 $8K
Holdings After Transaction: Common Stock — 53,595 shares (Direct)
Footnotes (1)
  1. F1. Represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units.
Shares withheld for tax liability 1,183 shares Withholding on August 31, 2026 to satisfy tax obligations on RSU vesting
Withholding value per share $6.44 per share Value used for the 1,183 shares withheld on August 31, 2026
Shares held after transaction 53,595 shares Direct holdings of SOUNDTHINKING common stock by Arthur Kirk after the transaction
Tax-liability-related shares 1,183 shares Shares delivered or withheld for payment of tax liability in this Form 4
restricted stock units financial
"in connection with the vesting and settlement of previously reported restricted stock units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
tax withholding obligations financial
"to satisfy the Reporting Person's tax withholding obligations in connection with"
payment of tax liability by delivering or withholding securities financial
"transaction was reported as a payment of tax liability by delivering or withholding securities"

FAQ

What insider transaction did SOUNDTHINKING (SSTI) report for Arthur Kirk?
SOUNDTHINKING reported that SVP, Sales Arthur Kirk had 1,183 shares of common stock withheld on August 31, 2026 to pay tax withholding obligations tied to the vesting and settlement of previously reported restricted stock units.

Was the Arthur Kirk Form 4 transaction for SSTI a market sale or purchase?
No. The Form 4 shows a Code F transaction, described as a payment of tax liability by delivering or withholding securities, rather than an open market buy or sell of SOUNDTHINKING common stock.

How many SOUNDTHINKING (SSTI) shares were withheld for Arthur Kirk’s taxes and at what value?
The issuer withheld 1,183 shares of SOUNDTHINKING common stock at a value of $6.44 per share to satisfy Arthur Kirk’s tax withholding obligations related to restricted stock unit vesting.

How many SOUNDTHINKING (SSTI) shares does Arthur Kirk hold after this Form 4 transaction?
After the tax-withholding transaction, Arthur Kirk directly holds 53,595 shares of SOUNDTHINKING common stock, as reported in the Form 4 following the August 31, 2026 event.

Was Arthur Kirk’s SSTI Form 4 transaction under a Rule 10b5-1 trading plan?
No. The filing indicates no Rule 10b5-1 trading plan for this transaction; the document-level checkbox affirming a 10b5-1 plan is not checked.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Arthur Kirk
(Last)(First)(Middle)
C/O SOUNDTHINKING, INC.
39300 CIVIC CENTER DR., SUITE 300
(Street)
FREMONT CALIFORNIA 94538
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
SOUNDTHINKING, INC. [ SSTI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP, Sales
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock08/31/2026F(1)1,183D$6.4453,595D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units.
/s/ Kirk Arthur09/02/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR