Browse EX-10 agreements

EMPLOYMENT AGREEMENT

This EMPLOYMENT AGREEMENT (the “Agreement”) is entered into effective as of March 11, 2026 (the “Effective Date”), by and between Sensei Biotherapeutics, Inc. (the “Company”) and Brian Stephenson, PhD (the “Executive”).

The Company desires to employ Executive in the capacity of full-time Head of Operations and Finance pursuant to the terms of this Agreement and, in connection therewith, to compensate Executive for Executive’s personal services to the Company; and

Executive wishes to be employed by the Company and provide personal services to the Company in return for certain compensation.

Accordingly, in consideration of the mutual promises and covenants contained herein, the parties agree to the following:

1.

EMPLOYMENT BY THE COMPANY.

1.1.

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DORMAN PRODUCTS, INC.
2026 OMNIBUS INCENTIVE PLAN

1.BACKGROUND AND PURPOSE.

(a)Background. Dorman Products, Inc., a Pennsylvania corporation, hereby adopts the Dorman Products, Inc. 2026 Omnibus Incentive Plan.

(b)Purpose. The purpose of the Plan is to provide additional incentive to officers and directors of, and other employees of and consultants and/or advisors to, the Company and each present or future parent or subsidiary corporation of the Company by encouraging them to invest in shares of the Company’s common stock (the “Common Stock”) and providing for awards in the form of options to purchase Common Stock, stock appreciation rights, restricted shares of Common Stock, and restricted stock units, in order to encourage share ownership, incentivize individual performance, and align that individual performance with the Company’s long-term objectives.

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AMENDMENT NO. 4

TO THE THERIVA BIOLOGICS, INC. 2020 STOCK INCENTIVE PLAN

** **

Dated: August 3, 2026

** **

WHEREAS, the Board of Directors (the “Board”) of Theriva Biologics, Inc. f/k/a Synthetic Biologics, Inc. (the “Company”) heretofore established the Synthetic Biologics, Inc. 2020 Stock Incentive Plan (the “Plan”); and

WHEREAS, the Board desires to amend the Plan to increase the maximum number of shares of common stock of the Company available for grants of Awards thereunder (as of the date of this amendment, previously adopted the Plan) by an additional 2,000,000 shares of common stock to 6,500,000 shares of common stock; and

WHEREAS, pursuant to Section 17.2 of the Plan, the Board has the right to amend the Plan with respect to certain matters; and

WHEREAS, the Board has approved and authorized this Amendment No. 4 to the Plan and has recommended that the stockholders of the Company approve this Amendment No. 4;

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RESTRICTED STOCK UNIT GRANT NOTICE
UNDER THE
CERTARA, INC.
2020 INCENTIVE PLAN

(2025 RSU Grant)

Certara, Inc., a Delaware corporation (the “Company”), pursuant to its 2020 Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the number of Restricted Stock Units set forth below. The Restricted Stock Units are subject to all of the terms and conditions as set forth herein, in the Restricted Stock Unit Agreement including any addendum to such agreement for the Participant’s country (the “Addendum”), as attached (together, the “Restricted Stock Unit Agreement”), and in the Plan, all of which are incorporated herein in their entirety. This Restricted Stock Unit Agreement is being entered into pursuant to the terms of the Participant’s employment agreement with the Company, dated as of December 9th, 2025 (the “Employment Agreement”); provided, however, that the terms set forth in this Restricted Stock Unit Agreement shall supersede the corresponding terms described under the Employment Agreement to the exten

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RESTRICTED STOCK UNIT GRANT NOTICE
UNDER THE
CERTARA, INC.
2020 INCENTIVE PLAN

(2026 RSU Grant)

Certara, Inc., a Delaware corporation (the “Company”), pursuant to its 2020 Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the number of Restricted Stock Units set forth below. The Restricted Stock Units are subject to all of the terms and conditions as set forth herein, in the Restricted Stock Unit Agreement including any addendum to such agreement for the Participant’s country (the “Addendum”), as attached (together, the “Restricted Stock Unit Agreement”), and in the Plan, all of which are incorporated herein in their entirety. This Restricted Stock Unit Agreement is being entered into pursuant to the terms of the Participant’s employment agreement with the Company, dated as of December 9th, 2025 (the “Employment Agreement”); provided, however, that the terms set forth in this Restricted Stock Unit Agreement shall supersede the corresponding terms described under the Employment Agreement to the exten

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RESTRICTED STOCK UNIT GRANT NOTICE
UNDER THE
CERTARA, INC.
2020 INCENTIVE PLAN

(2026 Standard RSU Grant)

Certara, Inc., a Delaware corporation (the “Company”), pursuant to its 2020 Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the number of Restricted Stock Units set forth below. The Restricted Stock Units are subject to all of the terms and conditions as set forth herein, in the Restricted Stock Unit Agreement including any addendum to such agreement for the Participant’s country (the “Addendum”), as attached (together, the “Restricted Stock Unit Agreement”), and in the Plan, all of which are incorporated herein in their entirety. Capitalized terms not otherwise defined herein shall have the meaning set forth in the Plan.

Participant:    [•]

Grant Date:     May 8, 2026

Vesting Reference Date:    April 1, 2026

Number of

Restricted Stock Units:     [•]

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PERFORMANCE STOCK UNIT GRANT NOTICE

UNDER THE

CERTARA, INC.

2020 INCENTIVE PLAN

(2025 PSU Grant)

Certara, Inc., a Delaware corporation (the “Company”), pursuant to its 2020 Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the target number of Performance Stock Units (“Performance Stock Units” or “PSUs”) set forth below. The Performance Stock Units are subject to all of the terms and conditions as set forth herein, in the Performance Stock Unit Agreement including any addendum to such agreement for the Participant’s country (the “Addendum”), as attached (together, the “Performance Stock Unit Agreement”), and in the Plan, all of which are incorporated herein in their entirety. This Performance Stock Unit Agreement is being entered into pursuant to the terms of the Participant’s employment agreement with the Company, dated as of December 9, 2025 (the “Employment Agreement”); provided, however, that the terms set forth in this Performance Stock Unit Agreement shall supersede the corresponding terms des

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PERFORMANCE STOCK UNIT GRANT NOTICE

UNDER THE

CERTARA, INC.

2020 INCENTIVE PLAN

Certara, Inc., a Delaware corporation (the “Company”), pursuant to its 2020 Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the target number of Performance Stock Units (“Performance Stock Units” or “PSUs”) set forth below. The Performance Stock Units are subject to all of the terms and conditions as set forth herein, in the Performance Stock Unit Agreement including any addendum to such agreement for the Participant’s country (the “Addendum”), as attached (together, the “Performance Stock Unit Agreement”), and in the Plan, all of which are incorporated herein in their entirety. Capitalized terms not otherwise defined herein shall have the meaning set forth in the Plan.

Participant:    

Grant Date:

Target Number of

Performance Stock Units:    

Performance Period:

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RESTRICTED STOCK UNIT GRANT NOTICE
UNDER THE
CERTARA, INC.
2020 INCENTIVE PLAN

(Make Whole RSU Grant)

Certara, Inc., a Delaware corporation (the “Company”), pursuant to its 2020 Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the number of Restricted Stock Units set forth below. The Restricted Stock Units are subject to all of the terms and conditions as set forth herein, in the Restricted Stock Unit Agreement including any addendum to such agreement for the Participant’s country (the “Addendum”), as attached (together, the “Restricted Stock Unit Agreement”), and in the Plan, all of which are incorporated herein in their entirety. This Restricted Stock Unit Agreement is being entered into pursuant to the terms of the Participant’s employment agreement with the Company, dated as of December 9th, 2025 (the “Employment Agreement”); provided, however, that the terms set forth in this Restricted Stock Unit Agreement shall supersede the corresponding terms described under the Employment Agreement to the

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PERFORMANCE STOCK UNIT GRANT NOTICE

UNDER THE

CERTARA, INC.

2020 INCENTIVE PLAN

(2026 PSU Grant)

Certara, Inc., a Delaware corporation (the “Company”), pursuant to its 2020 Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the target number of Performance Stock Units (“Performance Stock Units” or “PSUs”) set forth below. The Performance Stock Units are subject to all of the terms and conditions as set forth herein, in the Performance Stock Unit Agreement including any addendum to such agreement for the Participant’s country (the “Addendum”), as attached (together, the “Performance Stock Unit Agreement”), and in the Plan, all of which are incorporated herein in their entirety. This Performance Stock Unit Agreement is being entered into pursuant to the terms of the Participant’s employment agreement with the Company, dated as of December 9, 2025 (the “Employment Agreement”); provided, however, that the terms set forth in this Performance Stock Unit Agreement shall supersede the corresponding terms des

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SECOND Beam Therapeutics Inc.

AMENDED AND RESTATED 2019 Employee Stock Purchase Plan

1.

Defined Terms

Exhibit A, which is incorporated by reference, defines the terms used in the Plan and sets forth certain operational rules related to those terms.

2.

Purpose of Plan

The Plan is intended to enable Eligible Employees to use payroll deductions to purchase shares of Stock in offerings under the Plan, and thereby acquire an interest in the Company. The Plan is intended to qualify as an “employee stock purchase plan” under Section 423 and to be exempt from the application and requirements of Section 409A of the Code, and is to be construed accordingly.

3.

Options to Purchase Stock

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AMENDMENT TO

SECURITIES PURCHASE AGREEMENT

This AMENDMENT TO THE SECURITIES PURCHASE AGREEMENT(this “Amendment”) is made as of August 3, 2026, by and among CAMP4 Therapeutics Corporation, a Delaware corporation (the “Company”) and each of the undersigned entities and individuals, and amends that certain Securities Purchase Agreement, dated as of September 9, 2025, by and among the Company and the entities and individuals listed on Exhibit A and Exhibit B thereto (the “Original Agreement” and, as amended hereby, the “Purchase Agreement”). Capitalized terms used but not otherwise defined herein shall have the meanings ascribed to them in the Original Agreement.

WHEREAS, Section 9.15 of the Original Agreement provides that no amendment, modification, alteration, or change in any of the terms of the Original Agreement shall be valid or binding upon the parties thereto unless made in writing and duly executed by the Company and the Investors of at least a majority in interest of the Securities then held by the Investors;

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