Exhibit 10.9B
AMENDMENT TO EMPLOYMENT AGREEMENT
This Amendment to Employment Agreement (this “Amendment”) is entered into as of January 1, 2026 (the “Amendment Effective Date”), by and between Stephen Kelsey (“Executive”) and
Revolution Medicines, Inc., a Delaware corporation (“RevMed”).
WHEREAS, Executive and RevMed are parties to the Employment Agreement dated December 18, 2019 (the “Agreement”).
WHEREAS, capitalized terms used but not defined in this Amendment have the meanings ascribed to them in the Agreement; and
WHEREAS the Parties now wish to amend the Agreement as set forth below, effective as of the Amendment Effective Date:
“(iii) Provided Executive has been employed by RevMed for at least one year continuously as of the Date of Termination, cause any unvested equity awards, including any stock options, restricted stock awards and any such awards subject to performance-based vesting, held by Executive as of the Date of Termination, to become vested and, if applicable, exercisable, and cause all restrictions and rights of repurchase on such awards to lapse, in each case, with respect to that number of shares of Company common stock subject thereto that would have vested, and if applicable, become exercisable in the 9-months immediately following the Date of Termination had Executive’s employment continued during such period. If Executive was employed by RevMed for less than one year continuously prior to the Date of Termination, acceleration of equity awards, if any, will be solely subject to the discretion of the Board or the Compensation Committee of the Board.”
1
necessary implication, shall remain in full force and effect. From and after the date of this Amendment, all references to the term “Agreement” in the Agreement shall include the terms contained in this Amendment.
[Signature page follows]
2
IN WITNESS WHEREOF, the Parties have executed this Amendment as of the Amendment Effective Date.
REVOLUTION MEDICINES, INC. |
| EXECUTIVE | ||
|
|
| ||
By: | /s/Mark A. Goldsmith |
| By: | /s/Stephan Kelsey |
Name: | Mark A. Goldsmith, M.D., Ph.D. |
| Name: | Stephen Kelsey |
|
|
| Title: | President and Chief Executive Officer |
[Signature Page to Amendment to Employment Agreement]