| 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
3 companies
Sharon Spurlin is Director at SND and has filed Form 4s across 3 companies. Sharon Spurlin'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 $2.4M at current prices.
The biggest single holding is ASIX (~$1.3M) as Director. Net of sales, the ASIX filings show accumulation of 16,765 shares.
Sharon Spurlin has 45 Form 4 filings on record from October 2016 to August 2026, across 3 companies: Director at Smart Sand (SND), 2016–2026; Director at AdvanSix (ASIX), 2016–2026; Director at DMC Global (BOOM), 2025–2026.
The 47 reported transactions were 38 stock awards, 6 open-market sales and 3 open-market purchases.
Counted by filing, the open-market trades come to 2 purchases worth about $247K and 5 sales worth about $380K.
The largest open-market purchase was 11,765 shares of ASIX at an average $12.66 on March 6, 2020, about $149K.
The largest open-market sale was 50,000 shares of SND at an average $4.93 on May 26, 2026, about $247K.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 17, 2026 | SND Smart Sand, Inc. | Director | Sell | 17,700 | $5.07 | $89,670.00 | -9.3% | - | - | |
| May 26, 2026 | SND Smart Sand, Inc. | Director | Sell | 50,000 | $4.93 | $246,500.00 | -20.8% | -6.6% | - | |
| Mar 6, 2020 | ASIX Advansix Inc. | Director | Buy | 11,765 | $12.66 | $148,944.90 | +45.4% | - | - | |
| Dec 11, 2019 | ASIX Advansix Inc. | Director | Buy | 5,000 | $19.62 | $98,100.44 | +25.2% | - | - | |
| Feb 15, 2017 | SND Smart Sand, Inc. | Director | Sell | 373 | $17.50 | $6,527.50 | -1.9% | - | - | |
| Feb 7, 2017 | SND Smart Sand, Inc. | Director | Sell | 1,858 | $17.50 | $32,515.00 | -17.6% | - | - | |
| Nov 29, 2016 | SND Smart Sand, Inc. | Director | Sell | 435 | $11.00 | $4,785.00 | -4.0% | - | - |