A Gary Kolstad

Affiliations

  • President And Ceo at Carbo Ceramics Inc (CRR), 2020-07-06
Insider Trading: Purchases See All
Symbol Price Amount Total Value Remaining Holdings Date Form 4
CRR $1.18 25,000 $29,500.00 537,650 2019-08-07 Filing
CRR $1.12 17,650 $19,768.00 512,650 2019-07-30 Filing
CRR $1.03 32,350 $33,449.90 495,000 2019-07-29 Filing
CRR $4.77 10,000 $47,700.00 395,651 2018-12-04 Filing
CRR $10.65 4,000 $42,600.00 385,651 2018-05-17 Filing
Insider Trading: Sales See All
Symbol Price Amount Total Value Remaining Holdings Date Form 4
CRR $0.02 86,757 $1,735.14 431,900 2020-06-12 Filing
CRR $18.90 2,800 $52,920.00 0 2016-03-02 Filing