Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Steven D. Cosler 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.
- Bindley Capital Partners I, LLC - $105.99M of GRDN open-market activity in the last 12 months
- William E. Bindley - $105.99M of GRDN open-market activity in the last 12 months
- Thomas J. Salentine Jr. - $105.99M of GRDN open-market activity in the last 12 months
- Pharmacy Investors, LLC - $44.01M of GRDN open-market activity in the last 12 months
- John Ackerman - $32.75M of GRDN open-market activity in the last 12 months
- Fred Burke - $19.93M of GRDN 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 D. Cosler?
Steven D. Cosler is a corporate insider of Guardian Pharmacy Services, Inc. (GRDN). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Steven D. Cosler last file a Form 4?
The most recent primary Form 4 on record is dated 7 May 2026, one of 10 filings going back to 2024.
Has Steven D. Cosler been buying or selling stock?
Recorded transactions: 3 open-market purchases ($348K) and 0 open-market sales across all tracked filings.
How accurate is Steven D. Cosler's historical track record?
Across 3 tracked purchases, Steven D. Cosler averaged +0.5% avg 30-day return with a 67% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
Where can I see all of Steven D. Cosler'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 D. Cosler 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
