SEC Form 4 · Updated Daily
STIM
— NEURONETICS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Chernett Jorey | 10%+ Owner | 10,602,988 | 2026-08-14 | P |
| Madryn Asset Management, LP | 10%+ Owner | 2,269,073 | 2026-06-15 | J |
| Madryn Select Opportunities, LP | 10%+ Owner | 2,269,073 | 2026-06-15 | J |
| Madryn Health Partners II, LP | 10%+ Owner | 2,269,073 | 2026-06-15 | J |
| MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LP | 10%+ Owner | 2,269,073 | 2026-06-15 | J |
| MADRYN HEALTH ADVISORS GP II, LLC | 10%+ Owner | 2,269,073 | 2026-06-15 | J |
| MADRYN HEALTH ADVISORS II, LP | 10%+ Owner | 2,269,073 | 2026-06-15 | J |
| Sullivan Keith J | Director · Officer | 1,590,924 | 2026-03-19 | S |
| Cucuz Sasha | Director | 1,542,798 | 2026-05-28 | A |
| REUVERS DANIEL L. | Officer | 1,500,000 | 2026-03-23 | A |
| MACAN WILLIAM ANDREW | Officer | 897,270 | 2026-03-19 | S |
| Pfanstiel Steven | Officer | 828,781 | 2026-03-19 | S |
| CASCELLA ROBERT | Director | 625,017 | 2026-05-28 | A |
| Naor Nir | Officer | 500,000 | 2026-07-23 | A |
| MUIR GLENN P | Director | 401,816 | 2026-05-28 | A |
| CONLEY SHERYL L | Director | 251,716 | 2026-05-28 | A |
| Rosengarten Megan | Director | 170,890 | 2026-05-28 | A |
| Amin Avinash | Director | 30,000 | 2026-06-15 | J |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-14 | Chernett Jorey | Open-market buy | 14,000 | $3.16 | 10,602,988 |
| 2026-08-13 | Chernett Jorey | Open-market sale (derivative) | 100 | $3.21 | 0 |
| 2026-07-23 | Naor Nir | Grant / award | 500,000 | $0.00 | 500,000 |
| 2026-07-14 | Chernett Jorey | Open-market buy | 35,000 | $1.78 | 10,588,988 |
| 2026-06-15 | Madryn Select Opportunities, LP | J | 4,634 | $0.00 | 2,269,073 |
| 2026-06-15 | MADRYN HEALTH ADVISORS GP II, LLC | J | 4,634 | $0.00 | 2,269,073 |
| 2026-06-15 | Madryn Select Opportunities, LP | J | 34,932 | $0.00 | 17,104,530 |
| 2026-06-15 | MADRYN HEALTH ADVISORS GP II, LLC | J | 34,932 | $0.00 | 17,104,530 |
| 2026-06-15 | MADRYN HEALTH ADVISORS GP II, LLC | J | 2,934 | $0.00 | 1,435,958 |
| 2026-06-15 | Madryn Select Opportunities, LP | J | 2,934 | $0.00 | 1,435,958 |
| 2026-06-15 | MADRYN HEALTH ADVISORS II, LP | J | 4,634 | $0.00 | 2,269,073 |
| 2026-06-15 | MADRYN HEALTH ADVISORS II, LP | J | 34,932 | $0.00 | 17,104,530 |
| 2026-06-15 | MADRYN HEALTH ADVISORS II, LP | J | 2,934 | $0.00 | 1,435,958 |
| 2026-06-15 | MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LP | J | 4,634 | $0.00 | 2,269,073 |
| 2026-06-15 | MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LP | J | 34,932 | $0.00 | 17,104,530 |
| 2026-06-15 | MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LP | J | 2,934 | $0.00 | 1,435,958 |
| 2026-06-15 | Madryn Health Partners II, LP | J | 4,634 | $0.00 | 2,269,073 |
| 2026-06-15 | Madryn Health Partners II, LP | J | 34,932 | $0.00 | 17,104,530 |
| 2026-06-15 | Madryn Health Partners II, LP | J | 2,934 | $0.00 | 1,435,958 |
| 2026-06-15 | Madryn Asset Management, LP | J | 4,634 | $0.00 | 2,269,073 |
| 2026-06-15 | Madryn Asset Management, LP | J | 34,932 | $0.00 | 17,104,530 |
| 2026-06-15 | Madryn Asset Management, LP | J | 2,934 | $0.00 | 1,435,958 |
| 2026-06-15 | Amin Avinash | J | 4,634 | $0.00 | 30,000 |
| 2026-06-15 | Amin Avinash | J | 34,932 | $0.00 | 34,634 |
| 2026-06-15 | Amin Avinash | J | 2,934 | $0.00 | 69,566 |
| 2026-05-28 | Amin Avinash | Grant / award | 30,000 | $0.00 | 72,500 |
| 2026-05-28 | CASCELLA ROBERT | Grant / award | 36,250 | $0.00 | 625,017 |
| 2026-05-28 | CONLEY SHERYL L | Grant / award | 30,000 | $0.00 | 251,716 |
| 2026-05-28 | Cucuz Sasha | Grant / award | 30,000 | $0.00 | 1,542,798 |
| 2026-05-28 | MUIR GLENN P | Grant / award | 30,000 | $0.00 | 401,816 |
| 2026-05-28 | Rosengarten Megan | Grant / award | 30,000 | $0.00 | 170,890 |
| 2026-05-28 | MADRYN HEALTH ADVISORS GP II, LLC | J | 3,271 | $0.00 | 2,264,439 |
| 2026-05-28 | Madryn Select Opportunities, LP | J | 3,271 | $0.00 | 2,264,439 |
| 2026-05-28 | MADRYN HEALTH ADVISORS GP II, LLC | J | 24,658 | $0.00 | 17,069,598 |
| 2026-05-28 | Madryn Select Opportunities, LP | J | 24,658 | $0.00 | 17,069,598 |
| 2026-05-28 | Madryn Select Opportunities, LP | J | 2,071 | $0.00 | 1,433,024 |
| 2026-05-28 | MADRYN HEALTH ADVISORS GP II, LLC | J | 2,071 | $0.00 | 1,433,024 |
| 2026-05-28 | MADRYN HEALTH ADVISORS II, LP | J | 3,271 | $0.00 | 2,264,439 |
| 2026-05-28 | MADRYN HEALTH ADVISORS II, LP | J | 24,658 | $0.00 | 17,069,598 |
| 2026-05-28 | MADRYN HEALTH ADVISORS II, LP | J | 2,071 | $0.00 | 1,433,024 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.