X0306 4 2017-07-25 0 0001680378 SenesTech, Inc. SNES 0001265078 WICKERSHAM GROVER T. 3140 NORTH CADEN COURT, #1 FLAGSTAFF AZ 86004 1 0 0 0 Common Stock 2017-07-25 4 P 0 12500 2.86 A 238600 D Common Stock 2017-07-25 4 P 0 2500 2.81 A 53500 I Trustee of Lindsay Ann Wickersham 1999 Trust Common Stock 33000 I Trustee of FBO GTW PC Employee Profit Sharing Plan Common Stock 7000 I Trustee of Paxton Lee Shoen 1998 Education Trust Common Stock 5000 I Trustee of FBO Wickersham Childrens Trust The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.68 to $3.19, 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. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.65 to $3.19, 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. /s/ Grover T. Wickersham 2017-07-26