| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | President and CEO
2 companies
Celeste Beeks Mastin is Director at GVA, with reported holdings spanning 2 companies. Celeste Beeks Mastin's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $1.9M at current prices.
Our model assigns Celeste Beeks Mastin a middling insider score of 52/100, based on 4 past trades. Over a 12-month horizon, 50.0% of those trades were profitable, with an average 12-month return of -5.6%.
Celeste Beeks Mastin's largest disclosed position is in GVA as Director, worth about $1.5M. The GVA filings lean toward selling, a net 13,049 shares.
Celeste Beeks Mastin has 28 Form 4 filings on record from March 2017 to June 2026, across 2 companies: Director at Granite Construction (GVA), 2017–2026; President and CEO at H.B. Fuller (FUL), 2022–2026.
The 50 reported transactions were 14 stock awards, 11 tax withholdings, 11 option or other derivative awards and 10 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 2 purchases worth about $493K and 2 sales worth about $1.3M.
The largest open-market purchase was 5,170 shares of FUL at an average $57.08 on April 7, 2026, about $295K.
The largest open-market sale was 7,614 shares of GVA at an average $105.23 on November 24, 2025, about $801K.
Neither of the two sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Apr 7, 2026 | FUL H.B. Fuller Company | President and CEO | Buy | 5,170 | $57.08 | $295,103.60 | +147.7% | +1.1% | - | |
| Nov 24, 2025 | GVA Granite Construction Inc | Director | Sell | 7,614 | $105.24 | $801,259.29 | -42.7% | +28.7% | - | |
| Apr 1, 2025 | FUL Fuller H B Co | President and CEO | Buy | 3,500 | $56.66 | $198,310.00 | New | +5.2% | +9.3% | |
| Dec 12, 2024 | GVA Granite Construction Inc | Director | Sell | 5,435 | $97.44 | $529,586.40 | -24.7% | -23.4% | +20.5% |