XOS

SEC source: 0001819493-24-000117 · wk-form4_1720830324.xml · nonDerivative · entry 1

Mattson George N · CIK 0001559238 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,224

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs vest on the earlier of (i) the first anniversary of the Grant date and (ii) the day of the Company's 2025 Annual Meeting, subject to the Reporting Person's continuous service with Xos, Inc. through the vesting date.

F2 · balance_after: Includes 29,330 unvested RSUs.

SEC source: 0001819493-24-000133 · wk-form4_1720831171.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,160

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 2,333 unvested RSUs.

SEC source: 0001819493-24-000125 · wk-form4_1720830772.xml · nonDerivative · entry 1

Richardson Michael Paul · CIK 0001971868 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,495

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs vest on the earlier of (i) the first anniversary of the Grant date and (ii) the day of the Company's 2025 Annual Meeting, subject to the Reporting Person's continuous service with Xos, Inc. through the vesting date.

F2 · balance_after: Includes 28,694 unvested RSUs.

SEC source: 0001819493-24-000121 · wk-form4_1720830510.xml · nonDerivative · entry 1

Bernstein Stuart N. · CIK 0001873851 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,128

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs vest on the earlier of (i) the first anniversary of the Grant date and (ii) the day of the Company's 2025 Annual Meeting, subject to the Reporting Person's continuous service with Xos, Inc. through the vesting date.

F2 · balance_after: Includes 28,694 unvested RSUs.

F3 · balance_after: On December 6th, the common stock of Xos, Inc. reverse split 1-for-30, resulting in a decrease of 621,640 shares in the reporting person's ownership of common stock.

SEC source: 0001819493-24-000139 · wk-form4_1722002341.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,288

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 49,911 unvested RSUs.

SEC source: 0001819493-24-000106 · wk-form4_1718239267.xml · nonDerivative · entry 1

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 898,752

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 86,765 unvested RSUs.

SEC source: 0001819493-24-000103 · wk-form4_1718239157.xml · nonDerivative · entry 1

Semler Dakota · CIK 0001877933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,641

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 83,908 unvested RSUs.

SEC source: 0001819493-24-000110 · wk-form4_1718239395.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,395

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 52,413 unvested RSUs.

SEC source: 0001819493-24-000108 · wk-form4_1718239323.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,453

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 2,887 unvested RSUs.

SEC source: 0001819493-24-000137 · wk-form4a_1722002252.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,400

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 52,413 unvested RSUs.

SEC source: 0001819493-24-000090 · wk-form4_1715734161.xml · nonDerivative · entry 1

Semler Dakota · CIK 0001877933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,172

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 88,194 unvested RSUs.

SEC source: 0001819493-24-000092 · wk-form4_1715734243.xml · nonDerivative · entry 1

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 900,332

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 91,188 unvested RSUs.

SEC source: 0001819493-24-000096 · wk-form4_1715734394.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,512

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 54,915 unvested RSUs.

SEC source: 0001819493-24-000094 · wk-form4_1715734318.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,096

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 4,103 unvested RSUs.

SEC source: 0001819493-24-000052 · wk-form4_1712960091.xml · nonDerivative · entry 1

RAPP EDWARD J · CIK 0001171780 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,558

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"). The RSUs reported vested immediately on the date of grant. The RSUs were issued to the director in lieu of their cash retainer for the director's service in Q1 2024. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 15,450 unvested RSUs. Each RSU represents a contingent right to receive one share of common stock upon settlement.

SEC source: 0001819493-24-000056 · wk-form4_1712960272.xml · nonDerivative · entry 1

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 901,912

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 95,611 unvested RSUs.

SEC source: 0001819493-24-000057 · wk-form4_1712960408.xml · nonDerivative · entry 1

Semler Dakota · CIK 0001877933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221,703

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 92,481 unvested RSUs.

SEC source: 0001819493-24-000054 · wk-form4_1712960187.xml · nonDerivative · entry 1

Mattson George N · CIK 0001559238 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,530

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"). The RSUs reported vested immediately on the date of grant. The RSUs were issued to the director in lieu of their cash retainer for the director's service in Q1 2024. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 15,450 unvested RSUs.

SEC source: 0001819493-24-000061 · wk-form4_1712960522.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,908

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 57,417 unvested RSUs.

SEC source: 0001819493-24-000059 · wk-form4_1712960466.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,179

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 5,327 unvested RSUs.

SEC source: 0001819493-24-000085 · wk-form4a_1714422767.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,739

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 5,319 unvested RSUs.

SEC source: 0001819493-24-000032 · wk-form4_1710294147.xml · nonDerivative · entry 2

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 912,131

F2 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported RSU Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F3 · balance_after: Includes 124,248 unvested RSUs.

SEC source: 0001819493-24-000032 · wk-form4_1710294147.xml · nonDerivative · entry 1

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 912,251

F1 · shares: The Restricted Stock Unit ("RSU") Award shall vest in six (6) equal installments on each Monthly Vesting Date beginning on April 10, 2024. "Monthly Vesting Date" means the 10th day of each month. Notwithstanding the foregoing, except as set forth below, vesting shall terminate upon the Participant's termination of Continuous Service, as described in Section 6(l) of the Agreement.

SEC source: 0001819493-24-000030 · wk-form4_1710294034.xml · nonDerivative · entry 2

Semler Dakota · CIK 0001877933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,874

F2 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported RSU Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F3 · balance_after: Includes 120,983 unvested RSUs.

SEC source: 0001819493-24-000030 · wk-form4_1710294034.xml · nonDerivative · entry 1

Semler Dakota · CIK 0001877933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,938

F1 · shares: The Restricted Stock Unit ("RSU") Award shall vest in six (6) equal installments on each Monthly Vesting Date beginning on April 10, 2024. "Monthly Vesting Date" means the 10th day of each month. Notwithstanding the foregoing, except as set forth below, vesting shall terminate upon the Participant's termination of Continuous Service, as described in Section 6(l) of the Agreement.

SEC source: 0001819493-24-000036 · wk-form4_1710294304.xml · nonDerivative · entry 2

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,059

F2 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported RSU Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F3 · balance_after: Includes 73,784 unvested RSUs.

SEC source: 0001819493-24-000036 · wk-form4_1710294304.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,432

F1 · shares: The Restricted Stock Unit ("RSU") Award shall vest in six (6) equal installments on each Monthly Vesting Date beginning on April 10, 2024. "Monthly Vesting Date" means the 10th day of each month. Notwithstanding the foregoing, except as set forth below, vesting shall terminate upon the Participant's termination of Continuous Service, as described in Section 6(l) of the Agreement.

SEC source: 0001819493-24-000034 · wk-form4_1710294225.xml · nonDerivative · entry 2

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,810

F2 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported RSU Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F3 · balance_after: Includes 6,543 unvested RSUs.

SEC source: 0001819493-24-000034 · wk-form4_1710294225.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,111

F1 · shares: The Restricted Stock Unit ("RSU") Award shall vest in six (6) equal installments on each Monthly Vesting Date beginning on April 10, 2024. "Monthly Vesting Date" means the 10th day of each month. Notwithstanding the foregoing, except as set forth below, vesting shall terminate upon the Participant's termination of Continuous Service, as described in Section 6(l) of the Agreement.

SEC source: 0001819493-24-000083 · wk-form4a_1714422650.xml · nonDerivative · entry 2

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,370

F2 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported RSU Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F3 · balance_after: Includes 6,535 unvested RSUs.

SEC source: 0001819493-24-000083 · wk-form4a_1714422650.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,793

F1 · shares: The Restricted Stock Unit ("RSU") Award shall vest in six (6) equal installments on each Monthly Vesting Date beginning on April 10, 2024. "Monthly Vesting Date" means the 10th day of each month. Notwithstanding the foregoing, except as set forth below, vesting shall terminate upon the Participant's termination of Continuous Service, as described in Section 6(l) of the Agreement.

SEC source: 0001819493-24-000024 · wk-form4_1707875602.xml · nonDerivative · entry 1

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 900,677

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 112,966 unvested RSUs.

SEC source: 0001819493-24-000022 · wk-form4_1707875528.xml · nonDerivative · entry 1

Semler Dakota · CIK 0001877933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,364

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 109,565 unvested RSUs.

SEC source: 0001819493-24-000028 · wk-form4_1707875785.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,539

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 71,650 unvested RSUs.

SEC source: 0001819493-24-000026 · wk-form4_1707875689.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,218

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 4,375 unvested RSUs.

SEC source: 0001819493-24-000081 · wk-form4a_1714422531.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,900

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 4,376 unvested RSUs.

SEC source: 0001819493-24-000012 · wk-form4_1705525972.xml · nonDerivative · entry 1

RAPP EDWARD J · CIK 0001171780 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,113

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"). The RSUs reported vested immediately on the date of grant. The RSUs were issued to the director in lieu of their cash retainer for the director's service in Q4 2023. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: On December 6th, the common stock of Xos, Inc. reverse split 1-for-30, resulting in a decrease of 680,452 shares in the reporting person's ownership of common stock.

F3 · balance_after: Includes 15,450 unvested RSUs.

SEC source: 0001819493-24-000010 · wk-form4_1705525883.xml · nonDerivative · entry 1

Jackson Alice K · CIK 0001739230 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,519

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"). The RSUs reported vested immediately on the date of grant. The RSUs were issued to the director in lieu of their cash retainer for the director's service in Q4 2023. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: The amount of securities beneficially owned following the reported transaction reflects a prior transfer of shares exempt from Section 16 of the Securities Exchange Act of 1934, as amended. In addition, on December 6th, 2023, the common stock of Xos, Inc. reverse split 1-for-30, resulting in a decrease of 585,669 shares in the reporting person's ownership of common stock.

F3 · balance_after: Includes 15,792 unvested RSUs.

SEC source: 0001819493-24-000014 · wk-form4_1705526109.xml · nonDerivative · entry 1

Mattson George N · CIK 0001559238 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,752

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"). The RSUs reported vested immediately on the date of grant. The RSUs were issued to the director in lieu of their cash retainer for the director's service in Q4 2023. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: On December 6th, the common stock of Xos, Inc. reverse split 1-for-30, resulting in a decrease of 829,861 shares in the reporting person's ownership of common stock.

F3 · balance_after: Includes 15,450 unvested RSUs.

SEC source: 0001819493-24-000004 · wk-form4_1705109879.xml · nonDerivative · entry 1

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 900,797

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 113,258 unvested RSUs.

SEC source: 0001819493-24-000002 · wk-form4_1705109761.xml · nonDerivative · entry 1

Semler Dakota · CIK 0001877933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,428

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 109,720 unvested RSUs.

SEC source: 0001819493-24-000008 · wk-form4_1705110038.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,851

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 72,409 unvested RSUs.

SEC source: 0001819493-24-000006 · wk-form4_1705109957.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,520

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 5,110 unvested RSUs.

SEC source: 0001819493-24-000079 · wk-form4a_1714422435.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,328

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 5,111 unvested RSUs.

SEC source: 0001819493-23-000276 · wk-form4_1702435999.xml · nonDerivative · entry 1

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 900,917

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 113,550 unvested RSUs.

F3 · balance_after: On December 6th, the common stock of Xos, Inc. reverse split 1-for-30, resulting in a decrease of 26,129,562 shares in the reporting person's ownership of common stock.

SEC source: 0001819493-23-000275 · wk-form4_1702435955.xml · nonDerivative · entry 1

Semler Dakota · CIK 0001877933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,492

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 109,876 unvested RSUs.

F3 · balance_after: On December 6th, the common stock of Xos, Inc. reverse split 1-for-30, resulting in a decrease of 6,395,889 shares in the reporting person's ownership of common stock.

SEC source: 0001819493-23-000278 · wk-form4_1702436067.xml · nonDerivative · entry 1

Romero Christen T · CIK 0001909055 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,163

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 73,169 unvested RSUs.

F3 · balance_after: On December 6th, the common stock of Xos, Inc. reverse split 1-for-30, resulting in a decrease of 2,538,817 shares in the reporting person's ownership of common stock.

SEC source: 0001819493-23-000277 · wk-form4_1702436032.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,822

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 5,845 unvested RSUs.

F3 · balance_after: On December 6th, the common stock of Xos, Inc. reverse split 1-for-30, resulting in a decrease of 353,522 shares in the reporting person's ownership of common stock.

SEC source: 0001819493-24-000077 · wk-form4a_1714422330.xml · nonDerivative · entry 1

Pogosyan Liana · CIK 0001979040 · Acting Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,756

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 5,846 unvested RSUs.

SEC source: 0001819493-23-000260 · wk-form4_1700010976.xml · nonDerivative · entry 1

Sordoni Giordano · CIK 0001877937 · Director · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,030,581

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations in connection with the vesting of the Reporting Person's previously reported Restricted Stock Unit ("RSU") Award. Each RSU represents a contingent right to receive one share of common stock upon settlement.

F2 · balance_after: Includes 3,415,268 unvested RSUs.