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.
Holders of 5% or more of PMA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of PMA Graphene Technology Group Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Lam Chi Ming | 13D/A | 75.60%9.81M shares | 0.00 ppfrom 75.60% | Feb 3, 20255 filings | Dec 2, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on PMA Graphene Technology Group Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Dec 2, 20259:26 AM ET | Relaxandrinks Ltd | 13G | 0.00%0 shares | NewBelow 5% | Nov 4, 2025 | SEC |
| Dec 2, 20259:26 AM ET | Lam Chi Ming | 13D/A | 75.60%9.81M shares | 0.00 ppfrom 75.60% | Nov 4, 2025 | SEC |
| Oct 17, 202511:25 AM ET | Lam Chi Ming | 13D/A | 75.60%9.81M shares | −5.10 ppfrom 80.70% | Oct 15, 2025 | SEC |
| Oct 2, 20259:30 AM ET | Lam Chi Ming | 13D/A | 80.70%10.5M shares | −1.10 ppfrom 81.80% | Sep 29, 2025 | SEC |
| Jul 25, 20254:40 PM ET | Lam Chi Ming | 13D/A | 81.80%10.6M shares | −1.10 ppfrom 82.90% | Jul 23, 2025 | SEC |
| Feb 3, 20258:38 PM ET | Lam Chi Ming | 13D/A | 82.90%10.8M shares | – | Feb 3, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell PMA Graphene Technology Group Inc. shares.
No Form 144 notices for PMA Graphene Technology Group Inc. are on file.