Chi Ming Lam

CIK: 0002028403

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)12 (80.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)3 (20.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

PMA

PMA Graphene Technology Group Inc.

Director10% Owner

Discretionary Trading P&L

Holdings

Transaction History (15 total)

PMA
PMA Graphene Technology Group Inc.
Sep 25, 2026
Sale(S)
Indirect
47.9K shares at avg. $1.30$62K
PMA
PMA Graphene Technology Group Inc.
Sep 24, 2026
Sale(S)
Indirect
120K shares at avg. $1.30$156K
PMA
PMA Graphene Technology Group Inc.
Sep 23, 2026
Sale(S)
Indirect
6K shares at avg. $1.30$8K
PMA
PMA Graphene Technology Group Inc.
Sep 22, 2026
Sale(S)
Indirect
120K shares at avg. $1.30$156K
PMA
PMA Graphene Technology Group Inc.
Sep 15, 2026
Sale(S)
Indirect
99.1K shares at avg. $1.30$129K
PMA
PMA Graphene Technology Group Inc.
Sep 11, 2026
Sale(S)
Indirect
120K shares at avg. $1.30$156K
PMA
PMA Graphene Technology Group Inc.
Sep 9, 2026
Sale(S)
Indirect
150K shares at avg. $1.25$188K
PMA
PMA Graphene Technology Group Inc.
Aug 21, 2026
Sale(S)
Indirect
100K shares at avg. $1.32$132K
PMA
PMA Graphene Technology Group Inc.
Aug 18, 2026
Sale(S)
Indirect
5K shares at avg. $1.62$8K
PMA
PMA Graphene Technology Group Inc.
Aug 17, 2026
Sale(S)
Indirect
15K shares at avg. $1.75$26K
PMA
PMA Graphene Technology Group Inc.
Aug 14, 2026
Sale(S)
Indirect
100K shares at avg. $1.37$137K
PMA
PMA Graphene Technology Group Inc.
Aug 13, 2026
Sale(S)
Indirect
100K shares at avg. $1.10$110K
MSW
Ming Shing Group Holdings Ltd
Jun 16, 2026
Other(J)
Indirect
1M shares-
MSW
Ming Shing Group Holdings Ltd
Jun 16, 2026
Other(J)
Direct
1.4M shares-
MSW
Ming Shing Group Holdings Ltd
Jun 16, 2026
Other(J)
Direct
8.4M shares-

		Type	Shares	Price		Ownership
Sep 25, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	47,865	$1.30	$62,335	Indirect
Sep 24, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	120,000	$1.30	$156,060	Indirect
Sep 23, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	6,000	$1.30	$7,805	Indirect
Sep 22, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	120,000	$1.30	$156,024	Indirect
Sep 15, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	99,114	$1.30	$128,868	Indirect
Sep 11, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	120,000	$1.30	$156,036	Indirect
Sep 9, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	150,000	$1.25	$187,845	Indirect
Aug 21, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	100,000	$1.32	$131,950	Indirect
Aug 18, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	5,000	$1.62	$8,116	Indirect
Aug 17, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	15,000	$1.75	$26,175	Indirect
Aug 14, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	100,000	$1.37	$136,970	Indirect
Aug 13, 2026	PMA PMA Graphene Technology Group Inc.	Sale(S)	100,000	$1.10	$110,030	Indirect
Jun 16, 2026	MSW Ming Shing Group Holdings Ltd	Other(J)	1,007,865	-	$0	Indirect
Jun 16, 2026	MSW Ming Shing Group Holdings Ltd	Other(J)	1,407,000	-	$0	Direct
Jun 16, 2026	MSW Ming Shing Group Holdings Ltd	Other(J)	8,414,865	-	$0	Direct

1-15 of 15 transactions

About Lam Chi Ming

Lam Chi Ming (SEC CIK 0002028403) files insider reports with the SEC as Director of PMA Graphene Technology Group Inc. (PMA).

Signal8 holds 8 ownership filings by Lam Chi Ming (1 Form 3, 7 Form 4), filed between Mar 18, 2026 and Sep 25, 2026. Those filings report 15 transactions, from Jun 16, 2026 to Sep 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Lam Chi Ming's filings is in KOWLOON.

Recent filings by Lam Chi Ming

Sep 25, 2026: Open-market sale of PMA shares (Form 4, code S).
Sep 24, 2026: Open-market sale of PMA shares (Form 4, code S).
Sep 23, 2026: Open-market sale of PMA shares (Form 4, code S).
Sep 22, 2026: Open-market sale of PMA shares (Form 4, code S).
Sep 15, 2026: Open-market sale of PMA shares (Form 4, code S).

How to read Form 4 transaction codes