Neuronetics, Inc. (STIM) Insider Trading
Over the last 3 months, STIM insiders made 2 open-market buys and 1 sale, a net purchase of $106K (SEC Form 4). Over the last 6 months, 26 institutions increased and 26 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
2
Sells (3m)
1
Net (3m)
$106.0K
Insiders buying
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Jul
Aug
Context3-month price +72.8%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 17, 2026 | Chernett Jorey10 percent owner | Buy | 14,000 | $3.16 |
| Aug 17, 2026 | Chernett Jorey10 percent owner | Sell | 100 | $5.00 |
| Jul 23, 2026 | Naor Nirofficer: EVP, CFO & Treasurer | Grant | 500,000 | — |
| Jul 15, 2026 | Chernett Jorey10 percent owner | Buy | 35,000 | $1.78 |
| May 29, 2026 | Amin Avinashdirector | Grant | 30,000 | — |
| May 29, 2026 | CASCELLA ROBERTdirector | Grant | 36,250 | — |
| May 29, 2026 | CONLEY SHERYL Ldirector | Grant | 30,000 | — |
| May 29, 2026 | Cucuz Sashadirector | Grant | 30,000 | — |
| May 29, 2026 | MUIR GLENN Pdirector | Grant | 30,000 | — |
| May 29, 2026 | Rosengarten Megandirector | Grant | 30,000 | — |
| May 21, 2026 | Pfanstiel Stevenofficer: Former EVP, CFO and Treasurer | Sell | 8,569 | $1.34 |
| May 20, 2026 | Chernett Jorey10 percent owner | Buy | 100,000 | $1.17 |
| May 13, 2026 | Chernett Jorey10 percent owner | Buy | 475,000 | $1.34 |
| Apr 22, 2026 | Chernett Jorey10 percent owner | Buy | 100,000 | $1.58 |
| Mar 30, 2026 | Chernett Jorey10 percent owner | Buy | 385,442 | $1.25 |
| Mar 30, 2026 | Chernett Jorey10 percent owner | Buy | 500,000 | $1.35 |
| Mar 27, 2026 | Chernett Jorey10 percent owner | Buy | 125,000 | $1.40 |
| Mar 27, 2026 | Chernett Jorey10 percent owner | Buy | 25,000 | $1.44 |
| Mar 24, 2026 | Pfanstiel Stevenofficer: EVP, CFO and Treasurer | Sell | 16,431 | $1.34 |
| Mar 24, 2026 | Sullivan Keith Jother: Former Officer & Director | Sell | 46,289 | $1.34 |
| Mar 24, 2026 | MACAN WILLIAM ANDREWofficer: EVP, CLO and CS | Sell | 16,005 | $1.34 |
| Mar 23, 2026 | Chernett Jorey10 percent owner | Buy | 169,472 | $1.41 |
| Mar 23, 2026 | REUVERS DANIEL L.officer: President and CEO | Grant | 1,500,000 | — |
| Mar 20, 2026 | Chernett Jorey10 percent owner | Buy | 607,400 | $1.35 |
| Mar 20, 2026 | Chernett Jorey10 percent owner | Buy | 450,000 | $1.33 |
| Mar 6, 2026 | MACAN WILLIAM ANDREWofficer: EVP, CLO and CS | Sell | 609 | $1.34 |
| Feb 27, 2026 | Sullivan Keith Jdirector, officer: President and CEO | Sell | 8,452 | $1.35 |
| Feb 27, 2026 | MACAN WILLIAM ANDREWofficer: EVP, CLO and CS | Sell | 3,427 | $1.35 |
| Feb 25, 2026 | Pfanstiel Stevenofficer: EVP, CFO and Treasurer | Grant | 250,000 | — |
| Feb 25, 2026 | MACAN WILLIAM ANDREWofficer: EVP, CLO and CS | Grant | 210,000 | — |
Source: STIM SEC Form 4 filings, latest Aug 17, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their STIM positions over the last 6 months (SEC Form 13F).
Increased
26
New positions
27
Reduced
26
Sold out
101
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| MADRYN ASSET MANAGEMENT, LP | Unchanged | 18.5M | May 15, 2026 |
| UBS GROUP AG | Increased | 2.9M | May 5, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | Reduced | 2.7M | May 15, 2026 |
| BLACKROCK, INC. | Reduced | 2.3M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.0M | May 15, 2026 |
| LANE GENERATIONAL LLC | Increased | 1.8M | May 14, 2026 |
| FOURWORLD CAPITAL MANAGEMENT LLC | Increased | 1.5M | May 15, 2026 |
| MASTERS CAPITAL MANAGEMENT LLC | Unchanged | 1.0M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 959K | May 15, 2026 |
| STATE STREET CORP | Increased | 843K | May 15, 2026 |
| IKARIAN CAPITAL, LLC | Unchanged | 701K | May 15, 2026 |
| WEXFORD CAPITAL LP | Increased | 701K | May 15, 2026 |
| ADVISORSHARES INVESTMENTS LLC | Increased | 617K | Apr 28, 2026 |
| HIGHTOWER ADVISORS, LLC | Reduced | 562K | May 5, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 332K | Mar 25, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.