Summary
Updated Aug 31, 2026
Steven Pfanstiel is Former EVP, CFO and Treasurer of Neuronetics, Inc. (STIM). 6 SEC Form 4 filings on record going back to 2025, most recently on 21 May 2026. Most recent open-market trade: sold $11K of STIM on 21 May 2026. Lifetime open-market sales: $34K.
Recent Transactions
7Every recent SEC Form 4 transaction Steven Pfanstiel has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Steven Pfanstiel go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Steven Pfanstiel files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jorey Chernett - $4.33M of STIM open-market activity in the last 12 months
- Keith J. Sullivan - $193K of STIM open-market activity in the last 12 months
- William Andrew Macan - $56K of STIM open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Steven Pfanstiel?
Steven Pfanstiel is a corporate insider, tracked as Former EVP, CFO and Treasurer of Neuronetics, Inc. (STIM). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Steven Pfanstiel last file a Form 4?
The most recent primary Form 4 on record is dated 21 May 2026, one of 6 filings going back to 2025.
Has Steven Pfanstiel been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($34K) across all tracked filings.
Where can I see all of Steven Pfanstiel's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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