SENS · Senseonics Holdings, Inc.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $8,120.40 divided by $5.36, the closing price of Issuer's common stock on the Nasdaq Global Select Market on July 1, 2026.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $12,874.72 divided by $5.36, the closing price of Issuer's common stock on the Nasdaq Global Select Market on July 1, 2026.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $14,745.36 divided by $5.36, the closing price of Issuer's common stock on the Nasdaq Global Select Market on July 1, 2026.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $14,123.60 divided by $5.36, the closing price of Issuer's common stock on the Nasdaq Global Select Market on July 1, 2026.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents a stock option grant pursuant to the Policy. The options vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Represents a stock option grant pursuant to the Policy. The options vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Represents a stock option grant pursuant to the Policy. The options vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Represents a stock option grant pursuant to the Policy. The options vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Represents a restricted stock unit ("RSU") grant pursuant to the Issuer's non-employee director compensation policy (the "Policy"). The RSUs vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Effective October 17, 2025, the Issuer effected a 1-for-20 reverse stock split of the Issuer's common stock. The number of securities reported herein have been adjusted to reflect the reverse stock split.

Represents a stock option grant pursuant to the Policy. The options vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Represents a restricted stock unit ("RSU") grant pursuant to the Issuer's non-employee director compensation policy (the "Policy"). The RSUs vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Effective October 17, 2025, the Issuer effected a 1-for-20 reverse stock split of the Issuer's common stock. The number of securities reported herein have been adjusted to reflect the reverse stock split.

Represents a restricted stock unit ("RSU") grant pursuant to the Issuer's non-employee director compensation policy (the "Policy"). The RSUs vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents a restricted stock unit ("RSU") grant pursuant to the Issuer's non-employee director compensation policy (the "Policy"). The RSUs vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents a stock option grant pursuant to the Policy. The options vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Represents a restricted stock unit ("RSU") grant pursuant to the Issuer's non-employee director compensation policy (the "Policy"). The RSUs vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents a restricted stock unit ("RSU") grant pursuant to the Issuer's non-employee director compensation policy (the "Policy"). The RSUs vest in full on the earlier of the one year anniversary of the date of grant or the next annual stockholders meeting, subject to the Reporting Person's continuous service through such vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents a restricted stock unit ("RSU") grant. The RSUs vest in eight equal installments with the first installment vesting on June 15, 2026 and the remaining seven installments vesting in six month increments commencing on November 15, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents a restricted stock unit ("RSU") grant. The RSUs vest in eight equal installments with the first installment vesting on June 15, 2026 and the remaining seven installments vesting in six month increments commencing on November 15, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents a restricted stock unit ("RSU") grant. The RSUs vest in eight equal installments with the first installment vesting on June 15, 2026 and the remaining seven installments vesting in six month increments commencing on November 15, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Effective October 17, 2025, the Issuer effected a 1-for-20 reverse stock split of the Issuer's common stock. The number of securities reported herein have been adjusted to reflect the reverse stock split.

The options vest in 48 equal monthly installments commencing on May 19, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

The options vest in 48 equal monthly installments commencing on May 19, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Represents a restricted stock unit ("RSU") grant. The RSUs vest in eight equal installments with the first installment vesting on June 15, 2026 and the remaining seven installments vesting in six month increments commencing on November 15, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The options vest in 48 equal monthly installments commencing on May 19, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

The options vest in 48 equal monthly installments commencing on May 19, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Represents a restricted stock unit ("RSU") grant. The RSUs vest in eight equal installments with the first installment vesting on June 15, 2026 and the remaining seven installments vesting in six month increments commencing on November 15, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The options vest in 48 equal monthly installments commencing on May 19, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Represents a restricted stock unit ("RSU") grant. The RSUs vest in eight equal installments with the first installment vesting on June 15, 2026 and the remaining seven installments vesting in six month increments commencing on November 15, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The options vest in 48 equal monthly installments commencing on May 19, 2026, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $14,124.60 divided by $6.65, the closing price of Issuer's common stock on the Nasdaq Global Select Market on April 1, 2026.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $14,749.70 divided by $6.65, the closing price of Issuer's common stock on the Nasdaq Global Select Market on April 1, 2026.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $12,874.40 divided by $6.65, the closing price of Issuer's common stock on the Nasdaq Global Select Market on April 1, 2026.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $8,119.65 divided by $6.65, the closing price of Issuer's common stock on the Nasdaq Global Select Market on April 1, 2026.

The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.75 to $5.8099 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $8,122.31 divided by $5.89, the closing price of Issuer's common stock on the Nasdaq Global Select Market on January 2, 2026.

Effective October 17, 2025, the Issuer effected a 1-for-20 reverse stock split of the Issuer's common stock. The number of securities reported herein have been adjusted to reflect the reverse stock split.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $14,746.06 divided by $5.89, the closing price of Issuer's common stock on the Nasdaq Global Select Market on January 2, 2026.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $14,121.82 divided by $5.89, the closing price of Issuer's common stock on the the Nasdaq Global Select Market on January 2, 2026.

Effective October 17, 2025, the Issuer effected a 1-for-20 reverse stock split of the Issuer's common stock. The number of securities reported herein have been adjusted to reflect the reverse stock split.

This common stock was issued to the Reporting Person pursuant to the Issuer's non-employee director compensation policy in lieu of quarterly retainer fees. The number of shares of common stock is equal to $12,869.65 divided by $5.89, the closing price of Issuer's common stock on the Nasdaq Global Select Market on January 2, 2026.