SOUNDTHINKING, INC. Stock Compensation Disclosure

Note 13. Equity Incentive Plans

In February 2005, the Company adopted the 2005 Stock Plan, as amended in January 2010 and November 2012 (the “2005 Plan”). Under the 2005 Plan provisions, the Company was authorized to grant incentive stock options, non-qualified stock options, stock appreciation rights, restricted stock units (“RSUs”), and shares of restricted stock.

In May 2017, the Board and the Company’s stockholders approved the 2017 Equity Incentive Plan (the “2017 Plan”). As a result of the adoption of the 2017 Plan, no further grants may be made under the 2005 Plan. The 2017 Plan provides for the issuance of stock options, RSUs and other awards to employees, directors, and consultants of the Company. The 2017 Plan includes an evergreen provision that provides for the number of shares of common stock reserved for issuance under the 2017 Plan to automatically increase on January 1 of each year by the lesser of (1) 5% of the number of shares of the Company’s common stock outstanding on December 31 of the preceding calendar year or (2) such number of shares as determined by the board of directors.

Stock Options

Incentive stock options may only be granted to Company employees and may only be granted with an exercise price not less than the fair value of the common stock, or not less than 110% of fair value when the grant is issued to a person who, at the time of grant, owns stock representing more than 10% of the voting power of all classes of stock. Non-statutory stock options may be granted to Company employees, directors, and consultants, and may be granted at a price per share not less than fair value on the date of the grant.

Options granted under the 2005 Plan and 2017 Plan generally vest over four years and expire no later than 10 years from the grant date. The 2005 Plan and 2017 Plan grants the board of directors' discretion to determine when the options granted will become exercisable.

Compensation expense for stock options is based upon the estimated fair value of the awards. The fair value of stock option grants is determined using the Black-Scholes option pricing model which requires the use of certain assumed inputs. The assumed inputs used to determine the fair value of stock options granted for the years ended December 31, 2025, 2024 and 2023 are set forth below:

During the year ended December 31, 2023, the Company modified options to accelerate vesting for two individuals in respect of an aggregate of 6,734 options. The Company accounted for these as modifications and recognized net incremental compensation expense of less than $0.1 million during the year ended December 31, 2023. There were no modifications for the years ended December 31, 2024 or 2025.

At December 31, 2025, total unrecognized stock-based compensation cost related to unvested stock options was $4.1 million, which will be recognized ratably over a weighted-average period of 1.9 years.

No income tax benefits from stock-based compensation arrangements have been recognized in the consolidated statements of operations.

Restricted Stock Units with Service Conditions

The Company grants RSUs under the 2017 Plan to executive management, its non-employee directors and other directors. RSUs granted to executive management generally vest over four years, while RSUs granted to non-employee directors generally vest annually. A new non-employee director will receive an initial grant upon joining the board of directors and all non-employee directors receive new annual grants at each annual meeting of stockholders. Compensation expense for RSUs is based upon the estimated fair value of the awards on the date of grant.

At December 31, 2025, total unrecognized stock-based compensation cost related to RSUs was $7.8 million, which will be recognized ratably over a weighted-average period of 1.7 years.

During the year ended December 31 2023, the Company modified RSUs to accelerate vesting for one individual in respect of 2,256 RSUs. The Company accounted for this as a modification of this award and recognized net incremental compensation expense of approximately $28,000 during the year ended December 31, 2023. The incremental compensation cost is measured as the excess of the fair value of the modified award over the fair value of

the original award immediately before its terms were modified and recognized as compensation expense on the date of modification for vested awards. There were no modifications for the years ended December 31, 2025 and 2024.

Restricted Stock Units with Performance Conditions

The Company has granted performance-based restricted stock units (“PSUs”) under the 2017 Plan to certain employees of the Company that represent shares potentially issuable in the future. PSUs generally vest in one installment on the certification date following the satisfaction of obtaining revenue, Adjusted EBITDA or other performance criteria. Compensation expense related to PSUs is determined based on the fair value of the underlying common stock at the grant date and the most probable level of achievement of the performance conditions.

There was no compensation expense related to PSUs for the year ended December 31, 2025, as the achievement of the performance conditions related to the PSUs was not deemed probable. Compensation expense related to these awards was approximately $1.3 million and $0.1 million for the years ended December 31, 2024 and 2023, respectively.

Stock-Based Compensation Expense