Pfanstiel Steven
SEC insider (Form 3/4/5 filer). CIK 0001856059. EVP, CFO and Treasurer at Neuronetics, Inc. (STIM) and 1 other issuer. 9 reported Form 4/5 transactions since Sep 2024; latest on Mar 19, 2026. Located in MALVERN, PA.
Companies Pfanstiel Steven has filed insider reports for
- Neuronetics, Inc. (STIM): Officer, EVP, CFO and Treasurer
- MARINUS PHARMACEUTICALS, INC. (MRNS): Officer, CFO AND COO
Pfanstiel Steven
CIK: 0001856059
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (9 total)
- Mar 19, 2026STIM
Neuronetics, Inc.
SaleDirect8.6K shares at avg. $1.34$11K - Mar 19, 2026STIM
Neuronetics, Inc.
SaleDirect16.4K shares at avg. $1.34$22K - Mar 17, 2026STIM
Neuronetics, Inc.
AwardDirect25K shares- - Feb 23, 2026STIM
Neuronetics, Inc.
AwardDirect250K shares- - Dec 30, 2025STIM
Neuronetics, Inc.
AwardDirect170.2K shares- - Jul 15, 2025STIM
Neuronetics, Inc.
AwardDirect200K shares- - Jul 15, 2025STIM
Neuronetics, Inc.
AwardDirect200K shares- - Feb 11, 2025MRNS
MARINUS PHARMACEUTICALS, INC.
DispositionDirect62.5K shares at avg. $0.55$34K - Feb 7, 2025MRNS
MARINUS PHARMACEUTICALS, INC.
DispositionDirect17.3K shares at avg. $0.55$10K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 19, 2026 |  STIM Neuronetics, Inc. | Sale | 8,569 | $1.34 | $11,482 | Direct |
| Mar 19, 2026 | STIM Neuronetics, Inc. | Sale | 16,431 | $1.34 | $22,018 | Direct |
| Mar 17, 2026 | STIM Neuronetics, Inc. | Award | 25,000 | - | $0 | Direct |
| Feb 23, 2026 | STIM Neuronetics, Inc. | Award | 250,000 | - | $0 | Direct |
| Dec 30, 2025 | STIM Neuronetics, Inc. | Award | 170,212 | - | - | Direct |
| Jul 15, 2025 | STIM Neuronetics, Inc. | Award | 200,000 | - | - | Direct |
| Jul 15, 2025 | STIM Neuronetics, Inc. | Award | 200,000 | - | - | Direct |
| Feb 11, 2025 |  MRNS MARINUS PHARMACEUTICALS, INC. | Disposition | 62,470 | $0.55 | $34,359 | Direct |
| Feb 7, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | Disposition | 17,303 | $0.55 | $9,517 | Direct |
1-9 of 9 transactions