X0306 4 2021-05-20 0001227636 Neuronetics, Inc. STIM 0001783360 Furlong Stephen C/O NEURONETICS, INC 3222 PHOENIXVILLE PIKE MALVERN PA 19355 0 1 0 0 CFO Common Stock 2021-05-20 4 S 0 12959 15.00 D 277012 D Common Stock 2021-05-20 4 S 0 11121 15.0919 D 265891 D Common Stock 2021-05-21 4 S 0 6406 15.0126 D 259485 D These shares were sold in compliance with a trading plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $15.00 to $15.33. The reporting person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $15.00 to $15.09. The reporting person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. W. Andrew Macan as Attorney-in-Fact for Stephen Furlong 2021-05-24