Neuronetics, Inc. (STIM)
Nasdaq: STIM · Surgical & Medical Instruments & Apparatus · Malvern, PA · filing with the SEC since 2003
Who owns Neuronetics, Inc.
As filed with the SECHolders of 5% or more
4
Madryn Asset Management, LP holds 30.3% of Common Stock, par value $0.01 per share, as its SCHEDULE 13D/A filed Mar 4, 2026 says.
Directors and officers
13
report now, of 28 people on the record since 2018. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Madryn Asset Management, LP
SCHEDULE 13D/A · filed Mar 4, 2026 · Common Stock, par value $0.01 per share · 31.4% in Aug 12, 2025
Chernett Jorey
SCHEDULE 13D/A · filed Aug 24, 2026 · Common Stock, $0.01 par value · 15.2% in Aug 4, 2026
Parian Ultreia LP
SCHEDULE 13G · filed Mar 17, 2026 · Neuronetics Inc
Point72 Asset Management, L.P.
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock, par value $0.01 per share
Kent Lake PR LLC
SCHEDULE 13G/A · filed Feb 14, 2025 · Common Stock ($0.01 par value) · reported falling below 5%, from 6.9% in Nov 14, 2024
Parian Global Management LP
SCHEDULE 13G/A · filed Nov 14, 2024 · Common Stock, par value $0.01 per share · reported falling below 5%
What STIM reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Greenbrook TMS Inc
A company bought · acquisition · Nov 2024 · owns, named in the 10-K filed Mar 17, 2026
Insider tradesForm 4
11sales
0purchases
0sales on a scheduled plan
3people selling
$300,000sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 2, 2025 to Nov 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 44 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Sullivan Keith J | President and CEO | 4 | $200,000 | 0 | 0 | $0 |
| Macan William Andrew | EVP, CLO and CS | 5 | $100,000 | 0 | 0 | $0 |
| Chernett Jorey | 10% owner | 0 | $0 | 0 | 15 | $4.9M |
| Pfanstiel Steven | Former EVP, CFO and Treasurer | 2 | $0 | 0 | 0 | $0 |