PMA Graphene Technology Group Inc. (PMA) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 4 sales totalling $1.3M. Most recent filing: Sept. 15, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 15, 2026 | Lam Chi Ming Director | −$128,868 | 99,114 | −24% | No | |
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| Sept. 11, 2026 filed Sept. 9, 2026 | Lam Chi Ming Director | −$343,881 | 270,000 | −39% | No | |
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| Sept. 11, 2026 filed Aug. 13, 2026 | Lam Chi Ming Director | −$413,241 | 320,000 | −32% | No | |
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| Aug. 25, 2026 filed Aug. 13, 2026 | Lam Chi Ming Director | −$413,241 | 320,000 | −32% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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