Neuronetics, Inc.
STIM- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001227636
In the last 90 days, Neuronetics, Inc. insiders filed 2 open-market purchases and 0 sales; 86 institutions reported holding it in 13F filings for Q2 2026, worth $48.4M in total; no superinvestor holds it.
Holders of 5% or more of STIM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Neuronetics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Madryn Asset Management, LP | 13D/A | 30.30%20.7M shares | −1.10 ppfrom 31.40% | Dec 17, 20243 filings | Mar 4, 2026 | SEC |
| Chernett Jorey | 13D/A | 13.92%10.6M shares | −1.30 ppfrom 15.22% | Mar 18, 20266 filings | Aug 24, 2026 | SEC |
| Chernett Jorey | 13G/A | 9.90%6.83M shares | +3.50 ppfrom 6.40% | Nov 24, 20252 filings | Feb 4, 2026 | SEC |
| Parian Ultreia LP | 13G | 7.00%4.84M shares | New | Mar 17, 20261 filing | Mar 17, 2026 | SEC |
| Point72 Asset Management, L.P. | 13G | 5.00%3.82M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
50 Schedule 13D and 13G filings on Neuronetics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 24, 20268:03 PM ET | Chernett Jorey | 13D/A | 13.92%10.6M shares | −1.30 ppfrom 15.22% | Aug 14, 2026 | SEC |
| Aug 14, 20264:13 PM ET | Point72 Asset Management, L.P.and 2 others | 13G | 5.00%3.82M shares | New | Aug 13, 2026 | SEC |
| Aug 4, 20268:00 AM ET | Chernett Jorey | 13D/A | 15.22%10.6M shares | +0.05 ppfrom 15.17% | Aug 3, 2026 | SEC |
| May 27, 202610:33 AM ET | Chernett Jorey | 13D/A | 15.17%10.6M shares | +1.05 ppfrom 14.12% | May 19, 2026 | SEC |
| Apr 8, 20269:17 AM ET | Chernett Jorey | 13D/A | 14.12%9.78M shares | 0.00 ppfrom 14.12% | Apr 6, 2026 | SEC |
| Mar 31, 20264:05 PM ET | Chernett Jorey | 13D | 14.12%9.78M shares | +3.27 ppfrom 10.85% | Mar 31, 2026 | SEC |
| Mar 18, 20269:20 AM ET | Chernett Jorey | 13G/A | 10.85%7.52M shares | – | Mar 17, 2026 | SEC |
| Mar 17, 20261:09 PM ET | Parian Ultreia LP | 13G | 7.00%4.84M shares | New | Mar 17, 2026 | SEC |
| Mar 4, 20265:33 PM ET | Madryn Asset Management, LPand 7 others | 13D/A | 30.30%20.7M shares | −1.10 ppfrom 31.40% | Mar 2, 2026 | SEC |
| Feb 4, 20262:29 PM ET | Chernett Jorey | 13G/A | 9.90%6.83M shares | +3.50 ppfrom 6.40% | Jan 30, 2026 | SEC |
| Nov 24, 20252:31 PM ET | Chernett Jorey | 13G | 6.40%4.40M shares | New | Nov 17, 2025 | SEC |
| Aug 12, 20254:15 PM ET | Madryn Asset Management, LPand 7 others | 13D/A | 31.40%20.7M shares | – | Aug 8, 2025 | SEC |
| Feb 14, 20252:17 PM ET | Kent Lake PR LLCand 2 others | 13G/A | 0.00%0 shares | −6.90 ppfrom 6.90%Below 5% | Dec 31, 2024 | SEC |
| Dec 17, 2024 | Madryn Asset Management, LP | 13DOld format | – | New | – | SEC |
| Nov 14, 20242:32 PM ET | Kent Lake PR LLCand 3 others | 13G | 6.90%2.08M shares | New | Sep 30, 2024 | SEC |
| Nov 14, 202411:32 AM ET | Parian Global Management LPand 2 others | 13G/A | 0.00%0 shares | –Below 5% | Jun 1, 2023 | SEC |
| Nov 14, 2024 | Cannell Capital LLC | 13G/AOld format | – | – | – | SEC |
| Nov 14, 2024 | Divisadero Street Capital Management, LP | 13G/AOld format | – | – | – | SEC |
| Aug 14, 2024 | Archon Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Jun 28, 2024 | Kent Lake Capital LLC | 13GOld format | – | – | – | SEC |
| Apr 1, 2024 | Divisadero Street Capital Management, LP | 13GOld format | – | New | – | SEC |
| Feb 14, 2024 | Kent Lake Capital LLC | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Cannell Capital LLC | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Archon Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Sep 22, 2023 | Kent Lake Capital LLC | 13GOld format | – | – | – | SEC |
| Sep 11, 2023 | Cannell Capital LLC | 13GOld format | – | – | – | SEC |
| Aug 23, 2023 | Archon Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Aug 17, 2023 | Cannell Capital LLC | 13D/AOld format | – | – | – | SEC |
| Jun 9, 2023 | Cannell Capital LLC | 13D/AOld format | – | – | – | SEC |
| Mar 23, 2023 | Cannell Capital LLC | 13D/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Parian Global Management LP | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Archon Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Schroder Investment Management North America Inc | 13GOld format | – | – | – | SEC |
| Jul 8, 20224:57 PM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Jun 21, 2022 | Cannell Capital LLC | 13DOld format | – | – | – | SEC |
| Feb 14, 2022 | Kent Lake Capital LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Interwest Partners VIII LP | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Cannell Capital LLC | 13GOld format | – | New | – | SEC |
| Feb 14, 2022 | Archon Capital Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | Parian Global Management LP | 13GOld format | – | New | – | SEC |
| Feb 9, 2022 | Schroder Investment Management North America Inc | 13GOld format | – | New | – | SEC |
| Feb 4, 20224:12 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
| Jan 26, 2022 | Investor Growth Capital Holding LLC | 13G/AOld format | – | – | – | SEC |
| Jan 26, 2022 | Granite Point Capital Management, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Archon Capital Management LLC | 13GOld format | – | New | – | SEC |
| Feb 12, 2021 | Kent Lake Capital LLC | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Flynn James E | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Interwest Partners VIII LP | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Granite Point Capital Management, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | New Leaf Ventures II, L.P. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
60 notices from officers, directors and other affiliates planning to sell Neuronetics, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 10, 20263:36 PM ET | Anderson CoryOfficer | 5.14K | $10.7K | Nov 10, 2026 | Fidelity Brokerage Services LLC | SEC |
| Aug 19, 20262:13 PM ET | Macan William AndrewFormer officer | 149.9K | $463.9K | Aug 19, 2026 | Fidelity Brokerage Services LLC | SEC |
| Aug 18, 20264:46 PM ET | Macan William AndrewOfficer | 121.0K | $388.3K | Aug 18, 2026 | Fidelity Brokerage Services LLC | SEC |
| Jun 8, 20264:38 PM ET | Sullivan Keith JFormer Officer and Director | 42.2K | $54.3K | Jun 8, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 19, 20264:36 PM ET | Macan William AndrewOfficer | 16.0K | $21.1K | Mar 19, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 19, 20264:25 PM ET | Sullivan Keith JOfficer · Director | 46.3K | $61.1K | Mar 19, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 4, 20263:09 PM ET | Macan William AndrewOfficer | 609 | $814.17 | Mar 4, 2026 | Fidelity Brokerage Services LLC | SEC |
| Feb 26, 20263:33 PM ET | Sullivan Keith JOfficer · Director | 8.45K | $11.4K | Feb 26, 2026 | Fidelity Brokerage Services LLC | SEC |
| Feb 26, 20263:16 PM ET | Macan William AndrewOfficer | 3.43K | $4.61K | Feb 26, 2026 | Fidelity Brokerage Services LLC | SEC |
| Feb 12, 20263:19 PM ET | Sullivan Keith JOfficer · Director | 33.8K | $55.7K | Feb 12, 2026 | Fidelity Brokerage Services LLC | SEC |
| Feb 12, 20263:12 PM ET | Macan William AndrewOfficer | 14.1K | $23.2K | Feb 12, 2026 | Fidelity Brokerage Services LLC | SEC |
| Feb 10, 20264:28 PM ET | Macan William AndrewOfficer | 3.48K | $5.39K | Feb 10, 2026 | Fidelity Brokerage Services LLC | SEC |
| Feb 10, 20264:14 PM ET | Sullivan Keith JOfficer · Director | 41.0K | $63.4K | Feb 10, 2026 | Fidelity Brokerage Services LLC | SEC |
| Aug 8, 20254:55 PM ET | Madryn Health PRTS II (Cay Mast) LP10% stockholder · Board Member | 2.93M | $10.9M | Aug 8, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 8, 20254:54 PM ET | Madryn Health Partners II, LP10% stockholder · Board Member | 192.8K | $717.2K | Aug 8, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 8, 20254:54 PM ET | Madryn Select Opportunities, LP10% stockholder · Board Member | 381.6K | $1.42M | Aug 8, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 7, 20254:52 PM ET | Furlong StephenOfficer | 98.6K | $403.4K | Aug 7, 2025 | Fidelity Brokerage Services LLC | SEC |
| May 13, 202512:54 PM ET | Furlong StephenOfficer | 6.54K | $27.2K | May 13, 2025 | Fidelity Brokerage Services LLC | SEC |
| May 12, 20254:40 PM ET | Furlong StephenOfficer | 193.5K | $826.3K | May 12, 2025 | Fidelity Brokerage Services LLC | SEC |
| Mar 4, 20253:27 PM ET | Macan William AndrewOfficer | 377 | $1.69K | Mar 4, 2025 | Fidelity Brokerage Services LLC | SEC |
| Mar 4, 20253:16 PM ET | Furlong StephenOfficer | 1.87K | $8.36K | Mar 4, 2025 | Fidelity Brokerage Services LLC | SEC |
| Feb 19, 20253:16 PM ET | Sullivan Keith JOfficer · Director | 24.4K | $114.8K | Feb 19, 2025 | Fidelity Brokerage Services LLC | SEC |
| Feb 18, 20253:16 PM ET | Sullivan Keith JOfficer · Director | 25.9K | $114.4K | Feb 18, 2025 | Fidelity Brokerage Services LLC | SEC |
| Feb 14, 20253:13 PM ET | Furlong StephenOfficer | 17.3K | $71.2K | Feb 14, 2025 | Fidelity Brokerage Services LLC | SEC |
| Feb 14, 20253:13 PM ET | Macan William AndrewOfficer | 19.0K | $78.0K | Feb 14, 2025 | Fidelity Brokerage Services LLC | SEC |
Showing the latest 25. See the STIM notices from the last 12 months