Summary
Latest filing:
Adrian W. Quartel is Chief Medical Officer of SPRUCE BIOSCIENCES, INC. (SPRB). 2 SEC Form 4 filings on record, most recently on 29 July 2026. Most recent open-market trade: sold $40K of ZVRA on 2 February 2026. Lifetime open-market sales: $40K.
Recent Transactions
2Every recent SEC Form 4 transaction Adrian W. Quartel 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 Adrian W. Quartel 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.
- Parkman Healthcare Partners LLC - $10K of SPRB 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 Adrian W. Quartel?
Adrian W. Quartel is a corporate insider, tracked as Chief Medical Officer of SPRUCE BIOSCIENCES, INC. (SPRB). InsiderAlpha holds 2 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 Adrian W. Quartel submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Adrian W. Quartel been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($40K) across all tracked filings.
Where can I see all of Adrian W. Quartel'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 Adrian W. Quartel 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
