STIM
Neuronetics, Inc.$1.34+0.03 (+2.29%)Prev Close$1.31·MCap$151.0M·P/E—·Vol823.2K·Yield—
▲
Buys (12M)
7
$4.09M
▼
Sells (12M)
10
$13.30M
◆
Net Activity
Net Seller
$9.21M
●
Active Insiders
5
last 12 mo
Over the past 12 months, insider activity at Neuronetics, Inc. (STIM) has been dominated by selling, with 7 insider purchases totaling $4.09M and 10 insider sales totaling $13.30M. The most recent insider transaction was by Pfanstiel Steven (officer: Former EVP, CFO and Treasurer), who sold $11.5K worth of shares on May 21, 2026. Neuronetics, Inc. operates in the Healthcare sector, within the Medical - Diagnostics & Research industry, with a market cap of $151.0M.
STIM Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | Pfanstiel Steven | officer: Former EVP, CFO and Treasurer | Sell | 8,569 | $1.34 | $11.5K | 836,643 |
| May 20, 2026 | Chernett Jorey | 10 percent owner | Buy | 100,000 | $1.17 | $117.0K | 10,553,988 |
| May 13, 2026 | Chernett Jorey | 10 percent owner | Buy | 475,000 | $1.34 | $636.5K0.7% OS | 10,453,988 |
| Apr 22, 2026 | Chernett Jorey | 10 percent owner | Buy | 200,000 | $1.55 | $309.0K | 9,978,988 |
| Mar 30, 2026 | Chernett Jorey | 10 percent owner | Buy | 885,442 | $1.31 | $1.16M1.3% OS | 9,778,988 |
| Mar 27, 2026 | Chernett Jorey | 10 percent owner | Buy | 150,000 | $1.41 | $211.0K | 8,893,276 |
| Mar 24, 2026 | MACAN WILLIAM ANDREW | officer: EVP, CLO and CS | Sell | 16,005 | $1.34 | $21.4K | 897,270 |
| Mar 24, 2026 | Sullivan Keith J | other: Former Officer & Director | Sell | 46,289 | $1.34 | $62.0K | 1,590,924 |
| Mar 24, 2026 | Pfanstiel Steven | officer: EVP, CFO and Treasurer | Sell | 16,431 | $1.34 | $22.0K | 828,781 |
| Mar 23, 2026 | Chernett Jorey | 10 percent owner | Buy | 169,472 | $1.41 | $239.0K | 8,743,276 |
| Mar 20, 2026 | Chernett Jorey | 10 percent owner | Buy | 1,057,400 | $1.34 | $1.42M1.5% OS | 8,573,804 |
| Mar 6, 2026 | MACAN WILLIAM ANDREW | officer: EVP, CLO and CS | Sell | 609 | $1.34 | $816.06 | 879,525 |
| Feb 27, 2026 | MACAN WILLIAM ANDREW | officer: EVP, CLO and CS | Sell | 3,427 | $1.35 | $4.6K | 880,134 |
| Feb 27, 2026 | Sullivan Keith J | director, officer: President and CEO | Sell | 8,452 | $1.35 | $11.4K | 1,524,713 |
| Feb 12, 2026 | MACAN WILLIAM ANDREW | officer: EVP, CLO and CS | Sell | 17,605 | $1.63 | $28.7K | 687,681 |
| Feb 12, 2026 | Sullivan Keith J | President and CEO | Sell | 74,823 | $1.60 | $119.4K | 1,567,012 |
| Aug 12, 2025 | Madryn Asset Management, LP | Sell | 3,500,000 | $3.72 | $13.02M5.1% OS | 17,333,542 | |
| May 14, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 200,000 | $4.27 | $853.3K | 416,593-32% |
| Mar 6, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 1,867 | $4.48 | $8.4K | 610,053 |
| Mar 6, 2025 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 377 | $4.48 | $1.7K | 526,805 |
| Feb 20, 2025 | Sullivan Keith J | President and CEO | Sell | 50,374 | $4.55 | $229.2K | 1,257,428 |
| Feb 18, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 17,307 | $4.11 | $71.1K | 454,420 |
| Feb 18, 2025 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 18,965 | $4.11 | $77.9K | 369,682 |
| Feb 14, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 10,845 | $3.83 | $41.5K | 471,727 |
| Feb 14, 2025 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 12,175 | $3.83 | $46.6K | 388,647 |
| Feb 12, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 14,836 | $3.28 | $48.7K | 482,572 |
| Feb 12, 2025 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 1,970 | $3.28 | $6.5K | 400,822 |
| Feb 12, 2025 | Sullivan Keith J | President and CEO | Sell | 40,992 | $3.28 | $134.5K | 1,283,362 |
| Oct 10, 2024 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 1,368 | $0.82 | $1.1K | 497,408 |
| Oct 10, 2024 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 1,541 | $0.82 | $1.3K | 402,792 |
| Sep 13, 2024 | CASCELLA ROBERT | Buy | 100,000 | $0.75 | $75.0K | 453,098+28% | |
| Sep 6, 2024 | MUIR GLENN P | Buy | 25,000 | $0.80 | $20.0K | 289,818 | |
| Aug 30, 2024 | MUIR GLENN P | Buy | 25,000 | $0.85 | $21.3K | 264,818 | |
| Aug 21, 2024 | MUIR GLENN P | Buy | 25,000 | $1.00 | $25.0K | 239,818 | |
| Aug 19, 2024 | CASCELLA ROBERT | Buy | 39,000 | $1.07 | $41.7K | 353,098 | |
| Aug 16, 2024 | CASCELLA ROBERT | Buy | 70,000 | $0.84 | $58.5K | 314,098+29% | |
| Aug 16, 2024 | MUIR GLENN P | Buy | 25,171 | $0.75 | $18.9K | 214,818 | |
| Jul 22, 2024 | Sullivan Keith J | President and CEO | Sell | 24,162 | $1.90 | $45.9K | 1,324,354 |
| Jul 18, 2024 | Sullivan Keith J | President and CEO | Sell | 23,762 | $1.94 | $46.1K | 1,360,203 |
| Jun 6, 2024 | CASCELLA ROBERT | Buy | 50,000 | $2.05 | $102.5K | 244,098+26% | |
| Mar 1, 2024 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 28,403 | $3.11 | $88.4K | 395,359 |
| Feb 29, 2024 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 25,257 | $3.30 | $83.4K | 487,761 |
| Feb 28, 2024 | Sullivan Keith J | President and CEO | Sell | 20,292 | $3.30 | $67.0K | 1,372,278 |
| Feb 26, 2024 | Sullivan Keith J | President and CEO | Sell | 41,601 | $3.23 | $134.4K | 1,413,320 |
| Feb 22, 2024 | Sullivan Keith J | President and CEO | Sell | 23,958 | $2.96 | $70.9K | 1,434,171 |
| Feb 16, 2024 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 15,621 | $3.38 | $52.8K | 417,736 |
| Feb 13, 2024 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 14,710 | $3.51 | $51.6K | 509,033 |
| Feb 7, 2024 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 5,813 | $3.39 | $19.7K | 523,743 |
| Feb 7, 2024 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 5,385 | $3.39 | $18.3K | 433,357 |
| Jan 12, 2024 | Sullivan Keith J | President and CEO | Sell | 19,529 | $3.08 | $60.2K | 1,167,645 |
Showing 1–50 of 91
1 / 2
STIM Insider Buying Activity
The following table shows recent insider purchases of Neuronetics, Inc. (STIM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 20, 2026 | Chernett Jorey | 10 percent owner | Buy | 100,000 | $1.17 | $117.0K | 10,553,988 |
| May 13, 2026 | Chernett Jorey | 10 percent owner | Buy | 475,000 | $1.34 | $636.5K0.7% OS | 10,453,988 |
| Apr 22, 2026 | Chernett Jorey | 10 percent owner | Buy | 200,000 | $1.55 | $309.0K | 9,978,988 |
| Mar 30, 2026 | Chernett Jorey | 10 percent owner | Buy | 885,442 | $1.31 | $1.16M1.3% OS | 9,778,988 |
| Mar 27, 2026 | Chernett Jorey | 10 percent owner | Buy | 150,000 | $1.41 | $211.0K | 8,893,276 |
| Mar 23, 2026 | Chernett Jorey | 10 percent owner | Buy | 169,472 | $1.41 | $239.0K | 8,743,276 |
| Mar 20, 2026 | Chernett Jorey | 10 percent owner | Buy | 1,057,400 | $1.34 | $1.42M1.5% OS | 8,573,804 |
| Sep 13, 2024 | CASCELLA ROBERT | Buy | 100,000 | $0.75 | $75.0K | 453,098+28% | |
| Sep 6, 2024 | MUIR GLENN P | Buy | 25,000 | $0.80 | $20.0K | 289,818 | |
| Aug 30, 2024 | MUIR GLENN P | Buy | 25,000 | $0.85 | $21.3K | 264,818 | |
| Aug 21, 2024 | MUIR GLENN P | Buy | 25,000 | $1.00 | $25.0K | 239,818 | |
| Aug 19, 2024 | CASCELLA ROBERT | Buy | 39,000 | $1.07 | $41.7K | 353,098 | |
| Aug 16, 2024 | CASCELLA ROBERT | Buy | 70,000 | $0.84 | $58.5K | 314,098+29% | |
| Aug 16, 2024 | MUIR GLENN P | Buy | 25,171 | $0.75 | $18.9K | 214,818 | |
| Jun 6, 2024 | CASCELLA ROBERT | Buy | 50,000 | $2.05 | $102.5K | 244,098+26% |
STIM Insider Selling Activity
The following table shows recent insider sales of Neuronetics, Inc. (STIM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | Pfanstiel Steven | officer: Former EVP, CFO and Treasurer | Sell | 8,569 | $1.34 | $11.5K | 836,643 |
| Mar 24, 2026 | MACAN WILLIAM ANDREW | officer: EVP, CLO and CS | Sell | 16,005 | $1.34 | $21.4K | 897,270 |
| Mar 24, 2026 | Sullivan Keith J | other: Former Officer & Director | Sell | 46,289 | $1.34 | $62.0K | 1,590,924 |
| Mar 24, 2026 | Pfanstiel Steven | officer: EVP, CFO and Treasurer | Sell | 16,431 | $1.34 | $22.0K | 828,781 |
| Mar 6, 2026 | MACAN WILLIAM ANDREW | officer: EVP, CLO and CS | Sell | 609 | $1.34 | $816.06 | 879,525 |
| Feb 27, 2026 | MACAN WILLIAM ANDREW | officer: EVP, CLO and CS | Sell | 3,427 | $1.35 | $4.6K | 880,134 |
| Feb 27, 2026 | Sullivan Keith J | director, officer: President and CEO | Sell | 8,452 | $1.35 | $11.4K | 1,524,713 |
| Feb 12, 2026 | MACAN WILLIAM ANDREW | officer: EVP, CLO and CS | Sell | 17,605 | $1.63 | $28.7K | 687,681 |
| Feb 12, 2026 | Sullivan Keith J | President and CEO | Sell | 74,823 | $1.60 | $119.4K | 1,567,012 |
| Aug 12, 2025 | Madryn Asset Management, LP | Sell | 3,500,000 | $3.72 | $13.02M5.1% OS | 17,333,542 | |
| May 14, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 200,000 | $4.27 | $853.3K | 416,593-32% |
| Mar 6, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 1,867 | $4.48 | $8.4K | 610,053 |
| Mar 6, 2025 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 377 | $4.48 | $1.7K | 526,805 |
| Feb 20, 2025 | Sullivan Keith J | President and CEO | Sell | 50,374 | $4.55 | $229.2K | 1,257,428 |
| Feb 18, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 17,307 | $4.11 | $71.1K | 454,420 |
| Feb 18, 2025 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 18,965 | $4.11 | $77.9K | 369,682 |
| Feb 14, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 10,845 | $3.83 | $41.5K | 471,727 |
| Feb 14, 2025 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 12,175 | $3.83 | $46.6K | 388,647 |
| Feb 12, 2025 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 14,836 | $3.28 | $48.7K | 482,572 |
| Feb 12, 2025 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 1,970 | $3.28 | $6.5K | 400,822 |
| Feb 12, 2025 | Sullivan Keith J | President and CEO | Sell | 40,992 | $3.28 | $134.5K | 1,283,362 |
| Oct 10, 2024 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 1,368 | $0.82 | $1.1K | 497,408 |
| Oct 10, 2024 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 1,541 | $0.82 | $1.3K | 402,792 |
| Jul 22, 2024 | Sullivan Keith J | President and CEO | Sell | 24,162 | $1.90 | $45.9K | 1,324,354 |
| Jul 18, 2024 | Sullivan Keith J | President and CEO | Sell | 23,762 | $1.94 | $46.1K | 1,360,203 |
| Mar 1, 2024 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 28,403 | $3.11 | $88.4K | 395,359 |
| Feb 29, 2024 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 25,257 | $3.30 | $83.4K | 487,761 |
| Feb 28, 2024 | Sullivan Keith J | President and CEO | Sell | 20,292 | $3.30 | $67.0K | 1,372,278 |
| Feb 26, 2024 | Sullivan Keith J | President and CEO | Sell | 41,601 | $3.23 | $134.4K | 1,413,320 |
| Feb 22, 2024 | Sullivan Keith J | President and CEO | Sell | 23,958 | $2.96 | $70.9K | 1,434,171 |
| Feb 16, 2024 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 15,621 | $3.38 | $52.8K | 417,736 |
| Feb 13, 2024 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 14,710 | $3.51 | $51.6K | 509,033 |
| Feb 7, 2024 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 5,813 | $3.39 | $19.7K | 523,743 |
| Feb 7, 2024 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 5,385 | $3.39 | $18.3K | 433,357 |
| Jan 12, 2024 | Sullivan Keith J | President and CEO | Sell | 19,529 | $3.08 | $60.2K | 1,167,645 |
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