Celeste Beeks Mastin serves as Director of GRANITE CONSTRUCTION INC (GVA). Mastin has also held reporting roles at FULLER H B CO (FUL). Mastin has reported 12 insider filings with the SEC since 2024. The most recent filing was in June 2026.
Every role Celeste Beeks Mastin has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
GRANITE CONSTRUCTION INC (GVA)1 filingUpdated Aug 30, 2026
Celeste Beeks Mastin is Director of GRANITE CONSTRUCTION INC (GVA). 12 SEC Form 4 filings on record going back to 2024, most recently on 9 June 2026. Most recent open-market trade: bought $295K of FUL on 7 April 2026. Lifetime open-market purchases: $493K. Lifetime open-market sales: $1.33M.
Every recent SEC Form 4 transaction Celeste Beeks Mastin has reported, most recent first.
InsiderAlpha's records for Celeste Beeks Mastin go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $247K (2 buys totaling $493K). The largest single buy on record is $295K of FUL in 2026. Sales side: 2 recorded sales totaling $1.33M, so the filing history runs sell-heavy by dollar value. 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.
Insiders who reported open-market trades in the last 12 months at the companies Celeste Beeks Mastin 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.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Celeste Beeks Mastin is a corporate insider, tracked as Director of GRANITE CONSTRUCTION INC (GVA). InsiderAlpha holds 12 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
1 primary Form 4 filing in the last 90 days, covering 1 company.
Recorded transactions: 2 open-market purchases ($493K) and 2 open-market sales ($1.33M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$GVA GRANITE CONSTRUCTION INC1.3K shares @ $0.00-