Summary
Updated Aug 31, 2026
Ronald E. Blaylock is Director of PFIZER INC (PFE). 5 SEC Form 4 filings on record going back to 2025, most recently on 5 August 2026. Most recent open-market trade: bought $999K of PFE on 5 August 2026. Lifetime open-market purchases: $999K.
Recent Transactions
3Every recent SEC Form 4 transaction Ronald E. Blaylock has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Ronald E. Blaylock go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. The typical open-market purchase is $999K (1 buy totaling $999K). The largest single buy on record is $999K of PFE in 2026. 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 Ronald E. Blaylock 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.
- MITSUI SUMITOMO INSURANCE CO LTD - $705.46M of WRB open-market activity in the last 12 months
- Albert Bourla - $1.00M of PFE open-market activity in the last 12 months
- Mortimer J. Buckley - $960K of PFE open-market activity in the last 12 months
- Jennifer B. Damico - $135K of PFE 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 Ronald E. Blaylock?
Ronald E. Blaylock is a corporate insider, tracked as Director of PFIZER INC (PFE). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Ronald E. Blaylock submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Ronald E. Blaylock been buying or selling stock?
Recorded transactions: 1 open-market purchase ($999K) and 0 open-market sales across all tracked filings.
Where can I see all of Ronald E. Blaylock'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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