Summary
Updated Aug 31, 2026
Matthew E. Poff is Chief Financial Officer of YORK WATER CO (YORW). 11 SEC Form 4 filings on record going back to 2024, most recently on 27 August 2026. Most recent open-market trade: bought $1K of YORW on 27 August 2026. Lifetime open-market purchases: $7K. Historical track record: 1/5 stars across 7 tracked purchases.
Recent Transactions
11Every recent SEC Form 4 transaction Matthew E. Poff has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 7 |
| Purchases with forward-return data | 7 |
| 30-day win rate | 14% |
| 90-day win rate | 43% |
| Avg 5-day return | -0.16% |
| Avg 30-day return | -2.67% |
| Avg 90-day return | -4.82% |
| Best 30-day return | +2.40% |
Trading Pattern
InsiderAlpha's records for Matthew E. Poff go back to 2024: 11 primary Form 4 filings, an average of 3.7 per year. The typical open-market purchase is $769 (9 buys totaling $7K). The largest single buy on record is $5K of YORW in 2026. 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 Matthew E. Poff 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.
- Joseph Thomas Hand - $329K of YORW open-market activity in the last 12 months
- Matthew J. Scarpato - $31K of YORW open-market activity in the last 12 months
- William T. Yanavitch II - $8K of YORW open-market activity in the last 12 months
- Alexandra C. Chiaruttini - $5K of YORW open-market activity in the last 12 months
- Suzanne M. Becker - $5K of YORW open-market activity in the last 12 months
- Douglas S. Brossman - $2K of YORW 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 Matthew E. Poff?
Matthew E. Poff is a corporate insider, tracked as Chief Financial Officer of YORK WATER CO (YORW). InsiderAlpha holds 11 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Matthew E. Poff submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Matthew E. Poff been buying or selling stock?
Recorded transactions: 9 open-market purchases ($7K) and 0 open-market sales across all tracked filings.
How accurate is Matthew E. Poff's historical track record?
Across 7 tracked purchases, Matthew E. Poff averaged -2.7% avg 30-day return with a 14% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Matthew E. Poff'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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