Insiders who reported open-market trades in the last 12 months at the companies Matthew Reade Miller 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.
Griffin Perry - $549K in GRNT purchases and sales in the last 12 months
John McCartney - $239K in GRNT purchases and sales in the last 12 months
Tyler Farquharson - $117K in GRNT purchases and sales in the last 12 months
Ronald Kyle Kettler - $102K in GRNT purchases and sales in the last 12 months
Kirk Lazarine - $50K in GRNT purchases and sales in the last 12 months
Michele J. Everard - $36K in GRNT purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Matthew Reade Miller is a corporate insider, tracked as Director of Granite Ridge Resources, Inc. (GRNT). InsiderAlpha holds 19 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 Matthew Reade Miller submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Matthew Reade Miller been buying or selling stock?
Recorded transactions: 12 open-market purchases ($778K) and 0 open-market sales across all tracked filings.
Matthew Reade Miller is Director of Granite Ridge Resources, Inc. (GRNT). 19 SEC Form 4 filings on record going back to 2024, most recently on 1 October 2026. Most recent open-market trade: bought $50K of GRNT on 14 September 2026. Lifetime open-market purchases: $778K.
Recent transactions
19
The latest 19 SEC Form 4 transactions reported by Matthew Reade Miller.
InsiderAlpha's records for Matthew Reade Miller go back to 2024: 19 primary Form 4 filings, an average of 6.3 per year. The typical open-market purchase is $65K (12 buys totaling $778K). The largest single buy on record is $250K of GRNT in 2024. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.