Gary A. Kolstad

Chief Executive Officer, CARBO CERAMICS INC.

Companies

MARINE PRODUCTS GROUP, LLCBoard member Jul 29, 2025 to now¹
RPC INCBoard member Jul 29, 2025 to now²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

RPC INC RES19,186 shares³$118.5K at $6.17May 8, 2026
MARINE PRODUCTS GROUP, LLC0 shares⁴May 15, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

May 15, 2026Other 4,651 shares at $8.18 of MARINE PRODUCTS GROUP, LLC⁴
May 8, 2026Granted 7,352 shares of RPC INC³
Aug 1, 2025Granted 8,814 shares of RPC INC⁵
Aug 1, 2025Granted 4,651 shares of MARINE PRODUCTS GROUP, LLC⁶

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARMARINE PRODUCTS GROUP, LLC, Board member
2
SEC EDGARRPC INC, Board member
3
SEC EDGARRPC INC shares after the filing of May 8, 2026
4
SEC EDGARMARINE PRODUCTS GROUP, LLC shares after the filing of May 15, 2026
5
SEC EDGARForm 4 filed Aug 5, 2025
6
SEC EDGARForm 4 filed Aug 5, 2025