PMA Insider Trading Activity and SEC Form 4 Filings
PMA insider trading summary
Over the past 12 months, insiders at PMA Graphene Technology Group Inc. (PMA) reported 17 sales worth $1.7M by 1 insider and no open-market purchases on SEC Form 4. Net insider selling was $1.7M.
Latest PMA insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Sep 25, 2026 | Chi Ming Lam | Director | Sell | $62K (47,865 @ $1.30) |
| Sep 24, 2026 | Chi Ming Lam | Director | Sell | $156K (120,000 @ $1.30) |
| Sep 23, 2026 | Chi Ming Lam | Director | Sell | $8K (6,000 @ $1.30) |
| Sep 22, 2026 | Chi Ming Lam | Director | Sell | $156K (120,000 @ $1.30) |
| Sep 15, 2026 | Chi Ming Lam | Director | Sell | $129K (99,114 @ $1.30) |
| Sep 11, 2026 | Chi Ming Lam | Director | Sell | $156K (120,000 @ $1.30) |
| Sep 9, 2026 | Chi Ming Lam | Director | Sell | $188K (150,000 @ $1.25) |
| Aug 21, 2026 | Chi Ming Lam | Director | Sell | $132K (100,000 @ $1.32) |
| Aug 21, 2026 | Chi Ming Lam | Director | Sell | $132K (100,000 @ $1.32) |
| Aug 18, 2026 | Chi Ming Lam | Director | Sell | $8K (5,000 @ $1.62) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.