Form4insider filings, from the source

Company · CIK 0001956166 · SIC 1700 — Construction - Special Trade Contractors · Nasdaq

PMA Graphene Technology Group Inc. · PMA

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.3M · 5net −$1.3M
$10k$10k$100k$100k$1M$1MbuyssalesAug 12Aug 19Aug 26Sep 3Sep 10Sep 17Sep 25

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 24, 2026 SForm 4 →Sep 25, 10:00 am EDTChi Ming LamDirector167,865$1.30$218,3951,431,886−10.5%
Sep 22, 2026 SForm 4 →Sep 23, 1:23 pm EDTChi Ming LamDirector126,000$1.30$163,829192,751−39.5%
Sep 15, 2026 SForm 4 →Sep 15, 9:38 am EDTChi Ming LamDirector99,114$1.30$128,868318,751−23.7%
Sep 9, 2026 SForm 4 →Sep 11, 1:05 pm EDTChi Ming LamDirector270,000$1.27$343,881417,865−39.3%
Aug 17, 2026 SForm 4 →Aug 25, 9:11 am EDTChi Ming LamDirector, 10% Owner120,000$1.39$166,241687,865— late amended
Aug 13, 2026 SForm 4/A →Sep 11, 10:29 am EDTChi Ming LamDirector, 10% Owner320,000$1.29$413,241687,865−31.8%
Aug 13, 2026 SForm 4 →Aug 25, 9:11 am EDTChi Ming LamDirector, 10% Owner200,000$1.24$247,000807,865−19.8% late amended
Jun 16, 2026 JForm 4 →Jul 17, 12:05 pm EDTChi Ming LamDirector, 10% Owner10,829,730——1,007,865— late

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 16, 2026 JForm 4 →Jul 17, 12:05 pm EDTChi Ming LamDirector, 10% Owner6,000,000——6,000,000— late