PMA Graphene Technology Group Inc.
PMA- Exchange
- Nasdaq
- Industry
- Construction - Special Trade Contractors
- SEC CIK
- 0001956166
In the last 90 days, PMA Graphene Technology Group Inc. insiders filed 0 open-market purchases and 5 sales; 3 institutions reported holding it in 13F filings for Q2 2026, worth $133.5K in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by PMA Graphene Technology Group Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 5 filings
- 1 insider, $1.27M in total
- Insiders trading
- 1
- Net value
- −$1.27M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for PMA Graphene Technology Group Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Lam Chi Ming | Director | 1,431,886Indirect | Sep 25, 2026 | 6 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 25, 2026 (view filing)10:00 AM ET | Sep 24-25 | 1 day | Lam Chi MingDirector | SSaleClass A Ordinary Shares | −167.9K | $1.30 | −$218.4K | −10.5%1.43M after | 2 lots |
| Sep 23, 2026 (view filing)1:23 PM ET | Sep 22-23 | 1 day | Lam Chi MingDirector | SSaleClass A Ordinary Shares | −126.0K | $1.30 | −$163.8K | −39.5%192.8K after | 2 lots |
| Sep 15, 2026 (view filing)9:38 AM ET | Sep 15 | Same day | Lam Chi MingDirector | SSaleClass A Ordinary Shares | −99.1K | $1.30 | −$128.9K | −23.7%318.8K after | |
| Sep 11, 2026 (view filing)1:05 PM ET | Sep 9-11 | 2 days | Lam Chi MingDirector | SSaleClass A Ordinary Shares | −270.0K | $1.27 | −$343.9K | −39.3%417.9K after | 2 lots |
| Sep 11, 2026 (view filing)10:29 AM ET | Aug 13-21 | 29 days | Lam Chi MingDirector, 10% Owner | SSaleClass A Ordinary Shares | −320.0K | $1.29 | −$413.2K | −31.8%687.9K after | Amended5 lots |