We have seen 106 open market insider transactions reported today, December 23, 2025. You can track them all on the Quiver Quantitative Insider Trading dashboard. Here are some of the largest open market insider stock purchases we have seen.
BERKLEY W R CORP ($WRB)
MITSUI SUMITOMO INSURANCE CO LTD bought 204,000 shares on 12/19 for an estimated $14,178,612.
Past $WRB Insider Trades
BERKLEY W R CORP insiders have traded $WRB stock on the open market 4 times in the past 6 months. Of those trades, 4 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $WRB stock by insiders over the last 6 months:
- SUMITOMO INSURANCE CO LTD MITSUI has made 4 purchases buying 610,350 shares for an estimated $42,548,370 and 0 sales.
MASTERCRAFT BOAT HOLDINGS, INC. ($MCFT)
Coliseum Capital Management, LLC bought 76,000 shares on 12/19 for an estimated $1,504,040.
Past $MCFT Insider Trades
MASTERCRAFT BOAT HOLDINGS, INC. insiders have traded $MCFT stock on the open market 6 times in the past 6 months. Of those trades, 3 have been purchases and 3 have been sales.
Here’s a breakdown of recent trading of $MCFT stock by insiders over the last 6 months:
- CAPITAL MANAGEMENT, LLC COLISEUM has made 3 purchases buying 134,807 shares for an estimated $2,649,367 and 0 sales.
- FUND, L.P. FORAGER has made 0 purchases and 3 sales selling 103,857 shares for an estimated $2,121,382.
DORCHESTER MINERALS, L.P. ($DMLP)
DORCHESTER MINERALS OPERATING LP bought 10,000 shares on 12/22 for an estimated $222,994.
Past $DMLP Insider Trades
DORCHESTER MINERALS, L.P. insiders have traded $DMLP stock on the open market 12 times in the past 6 months. Of those trades, 12 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $DMLP stock by insiders over the last 6 months:
- MINERALS OPERATING LP DORCHESTER has made 4 purchases buying 35,000 shares for an estimated $779,339 and 0 sales.
- FRANK DAMON BOX has made 2 purchases buying 9,000 shares for an estimated $212,101 and 0 sales.
- ROBERT C VAUGHN has made 3 purchases buying 4,810 shares for an estimated $102,965 and 0 sales.
- BRADLEY J EHRMAN (Chief Executive Officer) has made 2 purchases buying 3,487 shares for an estimated $74,979 and 0 sales.
- LESLIE A MORIYAMA (Chief Financial Officer) purchased 3,041 shares for an estimated $65,381
BENITEC BIOPHARMA INC. ($BNTC)
SUVRETTA CAPITAL MANAGEMENT, LLC bought 16,650 shares on 12/22 for an estimated $201,132.
Past $BNTC Insider Trades
BENITEC BIOPHARMA INC. insiders have traded $BNTC stock on the open market 8 times in the past 6 months. Of those trades, 8 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $BNTC stock by insiders over the last 6 months:
- CAPITAL MANAGEMENT, LLC SUVRETTA has made 8 purchases buying 1,527,622 shares for an estimated $20,538,965 and 0 sales.
PROTALIX BIOTHERAPEUTICS, INC. ($PLX)
Bashan Dror (PRESIDENT AND CEO) bought 56,000 shares on 12/19 for an estimated $101,360.
Past $PLX Insider Trades
PROTALIX BIOTHERAPEUTICS, INC. insiders have traded $PLX stock on the open market 2 times in the past 6 months. Of those trades, 1 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $PLX stock by insiders over the last 6 months:
- DROR BASHAN (PRESIDENT AND CEO) purchased 56,000 shares for an estimated $101,360
- AMOS BAR-SHALEV sold 168 shares for an estimated $314
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
