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2015 Plan

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In December 2015, the Company adopted the 2015 Equity Incentive Plan (the “2015 Plan”), under which incentive stock options, non-qualified stock options and restricted stock units may be granted to the Company’s employees and certain other persons, such as officers and directors, in accordance with the 2015 Plan provisions. In February 2016, the Company’s Board of Directors adopted, and the Company’s stockholders approved, an Amended and Restated 2015 Equity Incentive Plan (the “Amended and Restated 2015 Plan”), which became effective on February 20, 2016. The Company’s Board of Directors may terminate the Amended and Restated 2015 Plan at any time. Options granted under the Amended and Restated 2015 Plan expire ten years after the date of grant.

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Pursuant to the Amended and Restated 2015 Plan, the number of shares of the Company’s common stock reserved for issuance automatically increases on January 1 of each year, ending on January 1, 2026, by 3.5% of the total number of shares of its common stock outstanding on December 31 of the preceding calendar year, or a lesser number of shares as may be determined by its Board of Directors. In May 2026, the 2015 Plan was superseded by the 2026 Plan; no new awards will be granted under the existing plan, outstanding awards will remain in effect under its terms, and the plan's unallocated shares rolled into the 2026 Plan.

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Commercial Equity Plan

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On January 30, 2023, the Company adopted the Senseonics Holdings, Inc. 2023 Commercial Equity Plan (the “Commercial Equity Plan”), pursuant to which the Company reserved 500,000 shares of common stock for issuance. Eligible recipients under the plan are non-employees of Senseonics who assist with the commercialization of Eversense. An “Award” is any right to receive the Company’s common stock pursuant to the Commercial Equity Plan, consisting of non-statutory options and restricted stock unit awards. In May 2026, the Commercial Equity Plan was superseded by the 2026 Plan; no new awards will be granted under the existing plan, outstanding awards will remain in effect under its terms, and the plan's unallocated shares rolled into the 2026 Plan.

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2026 Plan

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In May 2026, the Company’s Board of Directors adopted, and the Company’s stockholders approved the 2026 Plan, , pursuant to which the Company reserved 1,724,076 shares of common stock for issuance, under which incentive stock options, non-qualified stock options and restricted stock units may be granted to the Company’s employees and certain other persons, such as officers and directors, in accordance with the 2026 Plan provisions. The Company’s Board of Directors may terminate the 2026 Plan at any time. Options granted under the 2026 Plan expire ten years after the date of grant. As of June 30, 2026, 577,536 shares remained available for grant under the 2026 Plan.

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Inducement Plan

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On May 30, 2019, the Company adopted the Senseonics Holdings, Inc. Inducement Plan (the “Inducement Plan”), pursuant to which the Company reserved 90,000 shares of the Company’s common stock for issuance. The only persons eligible to receive grants of awards under the Inducement Plan are individuals who satisfy the standards for inducement grants in accordance with Nasdaq Listing Rule 5635(c)(4), including individuals who were not previously an employee or director of the Company, or following a bona fide period of non-employment, as an inducement material to such persons entering into employment with the Company. An “Award” is any right to receive the Company’s common stock pursuant to the Inducement Plan, consisting of non-statutory options, restricted stock unit awards and other equity incentive awards. As of June 30, 2026, 30,044 shares remained available for grant under the Inducement Plan.

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2016 Employee Stock Purchase Plan

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In February 2016, the Company adopted the 2016 Employee Stock Purchase Plan (the “2016 ESPP”). The 2016 ESPP became effective on March 17, 2016. The maximum number of shares of common stock that may be issued under the 2016 ESPP was initially 40,000 shares and automatically increases on January 1 of each year, ending on and

including January 1, 2026, by 1.0% of the total number of shares of common stock outstanding on December 31 of the preceding calendar year; provided, however, the Company’s Board of Directors may act prior to the first day of any calendar year to provide that there will be no January 1 increase in the share reserve for such calendar year or that the increase in the share reserve for such calendar year will be a lesser number of shares of common stock. As of June 30, 2026, there were 1,806,922 shares of common stock available for issuance under the 2016 ESPP.

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The 2016 ESPP permits participants to purchase shares of the Company’s common stock through payroll deductions of up to 15% of their earnings. Unless otherwise determined by the administrator, the purchase price of the shares will be 85% of the lower of the fair market value of common stock on the first day of an offering or on the date of purchase. Participants may end their participation at any time. The Company initiated its first 2016 ESPP offering period on August 1, 2019. On January 31, 2026, there were 10,125 shares purchased in connection with the offering period. The 2016 ESPP is considered compensatory for financial reporting purposes.

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