Form4insider filings, from the source

Company · CIK 0001108645 · SIC 8711 — Services-Engineering Services

FRONTIER OILFIELD SERVICES INC · FOSI

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $129k · 4sales $0 · 0net $129k
$10k$10k$100k$100k$1M$1MbuyssalesJul 31Sep 7Oct 16Nov 24Jan 1Feb 9Mar 20

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Mar 19, 2015 PForm 4 →Mar 20, 12:09 pm EDTNewton W. Dorsett10% Owner500$1.17$5851,563,222+0.03% plan?
Mar 11, 2015 PForm 4 →Mar 12, 5:28 pm EDTNewton W. Dorsett10% Owner5,000$0.909$4,5451,562,722+0.32% plan?
Feb 27, 2015 PForm 4 →Mar 9, 4:32 pm EDTNewton W. Dorsett10% Owner9,200$0.6987$6,4281,557,722+0.59% plan? late
Aug 1, 2014 PForm 4 →Jan 30, 2015, 5:25 pm ESTNewton W. Dorsett10% Owner776,371$0.1509$117,1171,548,522+101% plan? late

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

No reported derivative activity in this period.