StockCIK 1956166
PMA Graphene Technology Group Inc. (PMA): Insider Trades and Fund Holdings
In the past 12 months, PMA Graphene Technology Group Inc. insiders reported 0 open-market purchases worth $0 and 12 sales worth $1.27M; 0 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$1.27MSold by insiders, 12 months
0Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 25, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 25 | Chi Ming LamDirector | ▼ SELL | $156K |
| Sep 25 | Chi Ming LamDirector | ▼ SELL | $62K |
| Sep 23 | Chi Ming LamDirector | ▼ SELL | $156K |
| Sep 23 | Chi Ming LamDirector | ▼ SELL | $8K |
| Sep 15 | Chi Ming LamDirector | ▼ SELL | $129K |
| Sep 11 | Chi Ming LamDirector | ▼ SELL | $188K |
| Sep 11 | Chi Ming LamDirector | ▼ SELL | $156K |
| Aug 25 | Chi Ming LamDirector | ▼ SELL | $137K |
| Aug 25 | Chi Ming LamDirector | ▼ SELL | $132K |
| Aug 25 | Chi Ming LamDirector | ▼ SELL | $110K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
All 12 PMA insider trades →Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Chi Ming Lam | Director | 0 | $0 | 12 | $1.27M |
Tracked funds that report PMA
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 0 | $0 | ▼ Sold out |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →