Summary
Updated Aug 31, 2026
Michelle Renee Griffin is Director of Adaptive Biotechnologies Corp (ADPT). 4 SEC Form 4 filings on record, most recently on 29 June 2026. Most recent open-market trade: sold $1.05M of ADPT on 29 June 2026. Lifetime open-market sales: $2.00M.
Recent Transactions
6Every recent SEC Form 4 transaction Michelle Renee Griffin has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Michelle Renee Griffin 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.
- Chad M. Robins - $37.85M of ADPT open-market activity in the last 12 months
- Harlan S. Robins - $29.48M of ADPT open-market activity in the last 12 months
- Sharon Benzeno - $14.48M of ADPT open-market activity in the last 12 months
- Julie Rubinstein - $13.37M of ADPT open-market activity in the last 12 months
- Francis Lo - $8.00M of ADPT open-market activity in the last 12 months
- Kyle Piskel - $3.58M of ADPT 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 Michelle Renee Griffin?
Michelle Renee Griffin is a corporate insider, tracked as Director of Adaptive Biotechnologies Corp (ADPT). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Michelle Renee Griffin submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Michelle Renee Griffin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($2.00M) across all tracked filings.
Where can I see all of Michelle Renee Griffin'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 Michelle Renee Griffin 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
