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Who

Chi Ming Lam

Director

Company insider

Files Form 4 as: Director and 10% owner, PMA Graphene Technology Group.

Every Form 4 they filed

In numbers

Trades disclosed
42
Buys
0
Sells
17
Bought
$0
Sold
$3.4M
Companies
1
Companies where not an officer
1
First trade
16 Jun 2026
Last trade
25 Sep 2026
Last filed
25 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
PMA PMA Graphene Technology GroupDirector, 10% owner · Engineering & Construction · last 25 Sep 20260 buys · 17 sells

Activity over time

1 Aug – 1 Oct
1001 Aug1 Sep1 Oct

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
25 Sep 2026filed 25 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$62K47,865 at $1.30filing
25 Sep 2026filed 25 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$62K47,865 at $1.30filing
24 Sep 2026filed 25 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$156K120,000 at $1.30filing
24 Sep 2026filed 25 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$156K120,000 at $1.30filing
23 Sep 2026filed 23 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$7,8056,000 at $1.30filing
23 Sep 2026filed 23 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$7,8006,000 at $1.30filing
22 Sep 2026filed 23 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$156K120,000 at $1.30filing
22 Sep 2026filed 23 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$156K120,000 at $1.30filing
15 Sep 2026filed 15 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$129K99,114 at $1.30filing
15 Sep 2026filed 15 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$129K99,114 at $1.30filing
11 Sep 2026filed 11 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$156K120,000 at $1.30filing
11 Sep 2026filed 11 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$156K120,000 at $1.30filing
9 Sep 2026filed 11 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$188K150,000 at $1.25filing
9 Sep 2026filed 11 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$188K150,000 at $1.25filing
21 Aug 2026filed 11 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$132K100,000 at $1.32filing
21 Aug 2026filed 11 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$132K100,000 at $1.32filing
21 Aug 2026filed 25 Aug 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$132K100,000 at $1.32filing
21 Aug 2026filed 25 Aug 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$132K100,000 at $1.32filing
18 Aug 2026filed 11 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$8,1165,000 at $1.62filing
18 Aug 2026filed 11 Sep 2026PMA PMA Graphene Technology GroupEngineering & ConstructionSEC FORM 4 Sold$8,1005,000 at $1.62filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Industrials17

Buys in green, sells in red, by the company’s sector.

Related people

Nobody else traded the same names lately.