Stock-Based Compensation	9 Months Ended
Sep. 30, 2020
Stock-Based Compensation
Stock-Based Compensation	9. Stock-Based Compensation 2015 Plan 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 in accordance with the 2015 Plan provisions, such as officers and directors. 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 March 17, 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. 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. As of September 30, 2020, 6,741,934 shares remained available for grant under the amended and restated 2015 Plan. Inducement Plan On May 30, 2019, the Company adopted the Senseonics Holdings, Inc. Inducement Plan (the “Inducement Plan”), pursuant to which the Company reserved 1,800,000 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 NYSE American Company Guide Section 711(a), 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 September 30, 2020, 1,461,208 shares remained available for grant under the Inducement Plan. 2016 Employee Stock Purchase Plan 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 800,000 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 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. At September 30, 2020 there were 6,171,581 shares of common stock available for issuance under the 2016 ESPP. 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 and deductions not yet used in a purchase are refundable upon employment termination. The Company initiated its first 2016 ESPP offering period on August 1, 2019 and new offering periods occur every six months thereafter, each consisting of two purchase periods of six months in duration ending on or about January 31st and July 31st of each year. A participant may only be in one offering at a time. On February 1, 2020, there were 566,573 shares purchased in connection with the initial offering period. The 2016 ESPP contains an offering reset provision whereby if the fair market value of a share on offering date of an ongoing offering is less than or equal to the fair market value of a share on a new offering date, the ongoing offering will terminate immediately after the purchase date and rolls over to the new offering. During the nine months ended September 30, 2020, 40 participants in the initial offering were automatically rolled over to the subsequent new offering as a result this reset provision and an incremental cost of less than $0.1 million. The 2016 ESPP is considered compensatory for financial reporting purposes. 1997 Plan On May 8, 1997, the Company adopted the 1997 Stock Option Plan (the “1997 Plan”), under which incentive stock options, non-qualified stock options, and restricted stock awards may be granted to the Company’s employees and certain other persons in accordance with the 1997 Plan provisions. Approximately 3,093,386 shares of the Company’s common stock underlying options have vested under the 1997 Plan. Upon the effectiveness of the 2015 Plan, the Company no longer grants any awards under the 1997 Plan.

Stock-Based Compensation

9 Months Ended

Sep. 30, 2020

9. Stock-Based Compensation

2015 Plan

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 in accordance with the 2015 Plan provisions, such as officers and directors. 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 March 17, 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.

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. As of September 30, 2020, 6,741,934 shares remained available for grant under the amended and restated 2015 Plan.

Inducement Plan

On May 30, 2019, the Company adopted the Senseonics Holdings, Inc. Inducement Plan (the “Inducement Plan”), pursuant to which the Company reserved 1,800,000 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 NYSE American Company Guide Section 711(a), 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 September 30, 2020, 1,461,208 shares remained available for grant under the Inducement Plan.

2016 Employee Stock Purchase Plan

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 800,000 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 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. At September 30, 2020 there were 6,171,581 shares of common stock available for issuance under the 2016 ESPP.

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 and deductions not yet used in a purchase are refundable upon employment termination. The Company initiated its first 2016 ESPP offering period on August 1, 2019 and new offering periods occur every six months thereafter, each consisting of two purchase periods of six months in duration ending on or about January 31st and July 31st of each year. A participant may only be in one offering at a time. On February 1, 2020, there were 566,573 shares purchased in connection with the initial offering period. The 2016 ESPP contains an offering reset provision whereby if the fair market value of a share on offering date of an ongoing offering is less than or equal to the fair market value of a share on a new offering date, the ongoing offering will terminate immediately after the purchase date and rolls over to the new offering. During the nine months ended September 30, 2020, 40 participants in the initial offering were automatically rolled over to the subsequent new offering as a result this reset provision and an incremental cost of less than $0.1 million.

The 2016 ESPP is considered compensatory for financial reporting purposes.

1997 Plan

On May 8, 1997, the Company adopted the 1997 Stock Option Plan (the “1997 Plan”), under which incentive stock options, non-qualified stock options, and restricted stock awards may be granted to the Company’s employees and certain other persons in accordance with the 1997 Plan provisions. Approximately 3,093,386 shares of the Company’s common stock underlying options have vested under the 1997 Plan. Upon the effectiveness of the 2015 Plan, the Company no longer grants any awards under the 1997 Plan.