Summary
Updated Aug 31, 2026
Sadie Stern is EVP Chief People & Culture Off of DEXCOM INC (DXCM). 11 SEC Form 4 filings on record going back to 2024, most recently on 28 August 2026. Most recent open-market trade: sold $227K of DXCM on 28 August 2026. Lifetime open-market sales: $1.48M.
Recent Transactions
13Every recent SEC Form 4 transaction Sadie Stern has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Sadie Stern go back to 2024: 11 primary Form 4 filings, an average of 3.7 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Sadie Stern 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.
- Kevin R. Sayer - $8.30M of DXCM open-market activity in the last 12 months
- Jacob Steven Leach - $1.00M of DXCM open-market activity in the last 12 months
- Michael Jon Brown - $730K of DXCM open-market activity in the last 12 months
- Jon Coleman - $723K of DXCM open-market activity in the last 12 months
- Mark G. Foletta - $627K of DXCM open-market activity in the last 12 months
- Richard Alexander Collins - $389K of DXCM 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 Sadie Stern?
Sadie Stern is a corporate insider, tracked as EVP Chief People & Culture Off of DEXCOM INC (DXCM). 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 Sadie Stern submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Sadie Stern been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($1.48M) across all tracked filings.
Where can I see all of Sadie Stern'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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