Summary
Updated Aug 30, 2026
Derek Tan is SR VP Chief Accounting Officer of Waste Connections, Inc. (WCN). 2 SEC Form 4 filings on record, most recently on 6 March 2026. Most recent open-market trade: sold $201K of WCN on 6 March 2026. Lifetime open-market sales: $201K.
Recent Transactions
9Every recent SEC Form 4 transaction Derek Tan has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Derek Tan go back to 2026: 2 primary Form 4 filings, an average of 2.0 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 Derek Tan 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.
- Ronald J. Mittelstaedt - $7.61M of WCN open-market activity in the last 12 months
- Edward E. Guillet - $1.57M of WCN open-market activity in the last 12 months
- Patrick James Shea - $1.17M of WCN open-market activity in the last 12 months
- Eric Hansen - $989K of WCN open-market activity in the last 12 months
- Robert Michael Cloninger - $481K of WCN open-market activity in the last 12 months
- James Little - $427K of WCN 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 Derek Tan?
Derek Tan is a corporate insider, tracked as SR VP Chief Accounting Officer of Waste Connections, Inc. (WCN). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Derek Tan last file a Form 4?
The most recent primary Form 4 on record is dated 6 March 2026, one of 2 filings going back to 2026.
Has Derek Tan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($201K) across all tracked filings.
Where can I see all of Derek Tan'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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