[Form 4] SOUNDTHINKING, INC. Insider Trading Activity

SOUNDTHINKING, INC. senior vice president of sales Arthur Kirk received a grant of stock options covering 30,000 shares of common stock.

Rhea-AI Filing Summary

SOUNDTHINKING, INC. senior vice president of sales Arthur Kirk received a grant of stock options covering 30,000 shares of common stock. The options have an exercise price of $7.2000 per share and expire on March 5, 2036.

According to the vesting terms, 25% of the options will vest on March 6, 2027, with the remaining options vesting in 36 equal monthly installments thereafter, contingent on Kirk’s continued service with the company. Following this award, he holds 30,000 stock options directly.

Insider Trade Summary

Grant/Award: 30,000 shares

Grant/Award 1 txn

Insider Arthur Kirk

Role SVP, Sales

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	30,000	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 30,000 contracts (Direct)

Footnotes (1)

1. F1. 25% of the shares subject to the option shall vest on March 6, 2027, and the remainder shall vest in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service to the Issuer through each vesting date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SOUNDTHINKING (SSTI) report for Arthur Kirk?

SOUNDTHINKING reported that SVP of Sales Arthur Kirk received stock options for 30,000 shares of common stock. These options are a compensation-related grant, not an open-market purchase, and provide the right to buy shares at a fixed exercise price.

What are the key terms of Arthur Kirk’s 30,000 SSTI stock options?

Arthur Kirk’s 30,000 stock options carry an exercise price of $7.2000 per share and expire on March 5, 2036. They represent potential future ownership if exercised, subject to the specified vesting schedule and his continued service with SOUNDTHINKING.

How do Arthur Kirk’s SOUNDTHINKING (SSTI) options vest over time?

Twenty-five percent of the options vest on March 6, 2027, and the remaining 75% vest in 36 equal monthly installments thereafter. Vesting is conditioned on his continued service to SOUNDTHINKING through each vesting date, aligning compensation with ongoing employment.

Is Arthur Kirk’s SSTI Form 4 transaction a stock purchase or a grant?

The Form 4 shows a grant of stock options, coded as a grant or award acquisition, rather than an open-market stock purchase. The transaction provides the right to buy 30,000 shares at $7.2000 if the options vest and are later exercised.

How many SOUNDTHINKING (SSTI) options does Arthur Kirk hold after this grant?

After this transaction, Arthur Kirk holds 30,000 stock options directly. These options relate to an equivalent number of underlying common shares and are subject to the disclosed vesting schedule and the overall option term ending March 5, 2036.

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

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Accepted by SEC EDGAR 03/10/2026 - 04:28 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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 CA 94538

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SOUNDTHINKING, INC. [ SSTI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Sales

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$7.2	03/06/2026		A		30,000		(1)	03/05/2036	Common Stock	30,000	$0	30,000	D

Explanation of Responses:

1. 25% of the shares subject to the option shall vest on March 6, 2027, and the remainder shall vest in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service to the Issuer through each vesting date.

Remarks:

SVP, Sales

	/s/ Kirk Arthur	03/10/2026
	** Signature of Reporting Person	Date
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.