OM · Outset Medical, Inc.

Represents restricted stock units ("RSU") granted to the reporting person on June 26, 2026. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 33.33% on June 26, 2027, and the remaining 66.67% shall vest in equal installments over the course of the following two years on a quarterly basis on February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

Represents restricted stock units ("RSU") granted to the reporting person on June 26, 2026. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 33.33% on June 26, 2027, and the remaining 66.67% shall vest in equal installments over the course of the following two years on a quarterly basis on February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

Represents restricted stock units ("RSU") granted to the reporting person on June 26, 2026. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 33.33% on June 26, 2027, and the remaining 66.67% shall vest in equal installments over the course of the following two years on a quarterly basis on February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 32,856 shares of Common Stock underlying RSUs granted to the reporting person on June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 5,033 shares of Common Stock underlying RSUs granted to the reporting person on January 12, 2024 and June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

This balance reflects a correction to the number of shares of Common Stock sold by the reporting person to satisfy tax withholding obligations as previously reported on a Form 4 filed on February 19, 2026. Due to an administrative error, the prior Form 4 reported the sale of 2,842 shares instead of the correct number, 2,862 shares.

The reporting owner was short June, 2026 put options and these shares were assigned on expiration.

BML Capital Management, LLC ("BML Capital") serves as the general partner of BML Investment Partners, L.P., a Delaware limited partnership (the "Fund"), which is the direct owner of the subject shares. Mr. Leonard is the managing member of BML Capital, and exercises investment and voting control over the subject shares. Accordingly, shares owned directly by the Fund may be regarded as being beneficially owned by Mr. Leonard. Notwithstanding, Mr. Leonard disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 4,277 shares of Common Stock underlying RSUs granted to the reporting person on July 24, 2023, January 12, 2024 and June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

This balance reflects a correction to the number of shares of Common Stock sold by the reporting person to satisfy tax withholding obligations as previously reported on a Form 4 filed on February 19, 2026. Due to an administrative error, the prior Form 4 reported the sale of 1,817 shares instead of the correct number, 1,830 shares.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 9,319 shares of Common Stock underlying RSUs granted to the reporting person on January 12, 2024 and June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

This balance reflects a correction to the number of shares of Common Stock sold by the reporting person to satisfy tax withholding obligations as previously reported on a Form 4 filed on February 19, 2026. Due to an administrative error, the prior Form 4 reported the sale of 3,361 shares instead of the correct number, 3,384 shares.

BML Capital Management, LLC ("BML Capital") serves as the general partner of BML Investment Partners, L.P., a Delaware limited partnership (the "Fund"), which is the direct owner of the subject shares. Mr. Leonard is the managing member of BML Capital, and exercises investment and voting control over the subject shares. Accordingly, shares owned directly by the Fund may be regarded as being beneficially owned by Mr. Leonard. Notwithstanding, Mr. Leonard disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

BML Capital Management, LLC ("BML Capital") serves as the general partner of BML Investment Partners, L.P., a Delaware limited partnership (the "Fund"), which is the direct owner of the subject shares. Mr. Leonard is the managing member of BML Capital, and exercises investment and voting control over the subject shares. Accordingly, shares owned directly by the Fund may be regarded as being beneficially owned by Mr. Leonard. Notwithstanding, Mr. Leonard disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

Represents restricted stock units ("RSU") granted to the reporting person on April 6, 2026. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 33.33% on April 6, 2027, and the remaining 66.66% shall vest in equal installments over the course of the following two years on a quarterly basis on February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

Required number of shares sold by the reporting person to cover partial tax withholding obligations in connection with the vesting of an aggregate of 5,032 shares of Common Stock underlying RSUs granted to the reporting person on January 12, 2024 and June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover partial tax withholding obligations in connection with the vesting of an aggregate of 9,319 shares of Common Stock underlying RSUs granted to the reporting person on January 12, 2024 and June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 4,384 shares of Common Stock underlying RSUs granted to the reporting person on March 15, 2021, July 24, 2023, January 12, 2024 and June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover partial tax withholding obligations in connection with the vesting of an aggregate of 14,839 shares of Common Stock underlying RSUs granted to the reporting person on June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover partial tax withholding obligations in connection with the vesting of an aggregate of 17,997 shares of Common Stock underlying RSUs granted to the reporting person on June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover partial tax withholding obligations in connection with the vesting of an aggregate of 32,552 shares of Common Stock underlying RSUs granted to the reporting person on June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover partial tax withholding obligations in connection with the vesting of an aggregate of 14,839 shares of Common Stock underlying RSUs granted to the reporting person on June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover partial tax withholding obligations in connection with the vesting of an aggregate of 32,552 shares of Common Stock underlying RSUs granted to the reporting person on June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover partial tax withholding obligations in connection with the vesting of an aggregate of 17,997 shares of Common Stock underlying RSUs granted to the reporting person on June 10, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Represents Restricted Stock Units ("RSUs") granted to the reporting person on January 9, 2026. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest quarterly over three years, subject to the reporting person's continued service through the applicable vesting date.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with 4,904 shares of Common Stock underlying PSUs (i) which were, as previously reported, originally earned based on the achievement of applicable performance criteria as of December 31, 2024 or January 6, 2025, as applicable, as certified by the Compensation Committee of the Issuer's Board of Directors on January 17, 2025 and (ii) vested and were released on January 6, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with 289 shares of Common Stock underlying PSUs (i) which were, as previously reported, originally earned based on the achievement of applicable performance criteria as of December 31, 2024 or January 6, 2025, as applicable, as certified by the Compensation Committee of the Issuer's Board of Directors on January 17, 2025 and (ii) vested and were released on January 6, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with 447 shares of Common Stock underlying PSUs (i) which were, as previously reported, originally earned based on the achievement of applicable performance criteria as of December 31, 2024 or January 6, 2025, as applicable, as certified by the Compensation Committee of the Issuer's Board of Directors on January 17, 2025 and (ii) vested and were released on January 6, 2025. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 674 shares of Common Stock underlying RSUs granted to the reporting person on March 15, 2023, July 24, 2023, and January 12, 2024. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 748 shares of Common Stock underlying RSUs granted to the reporting person on January 6, 2023, and January 12, 2024. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 1,770 shares of Common Stock underlying RSUs granted to the reporting person on January 6, 2023, and January 12, 2024. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Represents restricted stock units ("RSU") granted to the reporting person on August 25, 2025. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 33.33% on August 15, 2026, and the remaining 66.67% shall vest in equal installments over the course of the following two years on a quarterly basis on each February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 1,769 shares of Common Stock underlying RSUs granted to the reporting person on January 6, 2023, and January 12, 2024. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 673 shares of Common Stock underlying RSUs granted to the reporting person on March 15, 2023, July 24, 2023, and January 12, 2024. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of an aggregate of 748 shares of Common Stock underlying RSUs granted to the reporting person on January 6, 2023, and January 12, 2024. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

Represents restricted stock units ("RSU") granted to the reporting person on June 10,2025. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 33.33% on June 3, 2026, and the remaining 66.67% shall vest in equal installments over the course of the following two years on a quarterly basis on each February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

Represents restricted stock units ("RSU") granted to the reporting person on June 10, 2025. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 50% on January 17, 2026, and the remaining 50% shall vest in equal installments over the course of the following year on a quarterly basis on February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

Represents restricted stock units ("RSU") granted to the reporting person on June 10, 2025. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 50% on January 17, 2026, and the remaining 50% shall vest in equal installments over the course of the following year on a quarterly basis on February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

Represents restricted stock units ("RSU") granted to the reporting person on June 10, 2025. Each RSU represents a contingent right to receive one share of common stock. These RSUs shall vest 50% on January 17, 2026, and the remaining 50% shall vest in equal installments over the course of the following year on a quarterly basis on February 15th, May 15th, August 15th and November 15th, subject to the reporting person's continuous service through the applicable vesting date.

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

These numbers have been adjusted to reflect the 1-for-15 reverse stock split the Issuer effected on March 20, 2025 (the "Reverse Stock Split").

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

These numbers have been adjusted to reflect the 1-for-15 reverse stock split the Issuer effected on March 20, 2025 (the "Reverse Stock Split").

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

These numbers have been adjusted to reflect the 1-for-15 reverse stock split the Issuer effected on March 20, 2025 (the "Reverse Stock Split").

100% of the shares underlying these RSUs will vest upon the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next Annual Meeting of Stockholders

These numbers have been adjusted to reflect the 1-for-15 reverse stock split the Issuer effected on March 20, 2025 (the "Reverse Stock Split").