GLASF Stock: Insider Activity, Filings & Research
GLASF stock — Drillr’s hub for GLASF insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, GLASF insiders filed 0 open-market buys and 3 sales (SEC Form 4).
GLASF insider trading activity (SEC Form 4)
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$323.1K
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 26, 2026 | Tu Williamofficer: SVP, Corporate Controller | Tax | 2,910 | $10.29 |
| May 26, 2026 | Tu Williamofficer: SVP, Corporate Controller | Sell | 10,414 | $10.19 |
| May 26, 2026 | Tu Williamofficer: SVP, Corporate Controller | Sell | 5,423 | $10.48 |
| May 20, 2026 | Tu Williamofficer: SVP, Corporate Controller | Sell | 15,888 | $10.08 |
| May 19, 2026 | Tu Williamofficer: SVP, Corporate Controller | Option | 8,333 | — |
Source: GLASF SEC Form 4 filings, latest May 26, 2026. For informational purposes only — not investment advice.
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