X0306 4/A 2020-07-20 2020-07-22 0 0001616543 Senseonics Holdings, Inc. SENS 0001666964 DeFalco Stephen P 20451 SENECA MEADOWS PARKWAY GERMANTOWN MD 20876-7005 1 0 0 0 Common Stock 2020-07-20 4 A 0 273077 0.00 A 1142889 D Represents a restricted stock unit ("RSU") grant. 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. This Form 4 amendment is being filed to reflect the correct vesting terms of the RSU grant. Each RSU represents a contingent right to receive one share of the Issuer's common stock. /s/ Mark Ballantyne, Attorney-in-Fact 2020-08-20