PMA Graphene Technol A (PMA) insider trading activity (SEC Form 4). Over the trailing 90 days, PMA insiders filed 0 purchases totalling $0 and 5 sales totalling $1.3M — net SELLING of $1.3M. Most recent filing: Sep 25, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Sep 25, 2026 | Lam Chi Ming | Dir | S Sale | — | $1.30 | $218K | filing |
| Sep 23, 2026 | Lam Chi Ming | Dir | S Sale | — | $1.30 | $164K | filing |
| Sep 15, 2026 | Lam Chi Ming | Dir | S Sale | — | $1.30 | $129K | filing |
| Sep 11, 2026 | Lam Chi Ming | Dir | S Sale | — | $1.27 | $344K | filing |
| Aug 25, 2026 | Lam Chi Ming | Dir, 10% | S Sale | — | $1.29 | $413K | filing |