PMA: PMA Graphene Technology Group Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 2 sales totaling $218K in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-09-25 | Lam Chi Ming | Director | $62K | |
| 2026-09-24 | Lam Chi Ming | Director | $156K |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-09-11 | Fell below 5% | Lam Chi Ming | 4.80% | -57.60 pts | SEC |
| 2026-08-25 | 13D amendment | Lam Chi Ming | 62.40% | SEC |
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