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 $855k · 4net −$855k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

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%

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

No reported derivative activity in this period.