Summary
Updated Aug 31, 2026
Steven S. Heinrichs files SEC Form 4 reports at Mueller Water Products, Inc. (MWA). 7 SEC Form 4 filings on record going back to 2024, most recently on 4 December 2025. Most recent open-market trade: sold $277K of MWA on 28 August 2025. Lifetime open-market sales: $2.44M.
Recent Transactions
8Every recent SEC Form 4 transaction Steven S. Heinrichs has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Steven S. Heinrichs go back to 2024: 7 primary Form 4 filings, an average of 2.3 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 S. Heinrichs 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.
- Marietta Edmunds Zakas - $1.37M of MWA open-market activity in the last 12 months
- Paul McAndrew - $1.06M of MWA open-market activity in the last 12 months
- Todd P. Helms - $986K of MWA open-market activity in the last 12 months
- Gregg C. Sengstack - $739K of MWA open-market activity in the last 12 months
- Brian C. Healy - $88K of MWA open-market activity in the last 12 months
- Richelle R. Feyerherm - $75K of MWA 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 S. Heinrichs?
Steven S. Heinrichs is a corporate insider of Mueller Water Products, Inc. (MWA). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Steven S. Heinrichs last file a Form 4?
The most recent primary Form 4 on record is dated 4 December 2025, one of 7 filings going back to 2024.
Has Steven S. Heinrichs been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($2.44M) across all tracked filings.
Where can I see all of Steven S. Heinrichs'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.
Learn More
Follow Steven S. Heinrichs and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial