We have seen 54 open market insider transactions reported today, October 31, 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.
AMRIZE LTD ($AMRZ)
Jenisch Jan Philipp (Chairman & CEO) bought 55,000 shares on 10/30 for an estimated $2,908,400.
Past $AMRZ Insider Trades
AMRIZE LTD insiders have traded $AMRZ stock on the open market 52 times in the past 6 months. Of those trades, 52 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $AMRZ stock by insiders over the last 6 months:
- JAN PHILIPP JENISCH (Chairman & CEO) has made 16 purchases buying 1,205,000 shares for an estimated $57,597,345 and 0 sales.
- MARIO GROSS (Chief Supply Chain Officer) has made 3 purchases buying 10,600 shares for an estimated $506,940 and 0 sales.
- IAN A JOHNSTON (Chief Financial Officer) has made 12 purchases buying 10,500 shares for an estimated $500,986 and 0 sales.
- JAIME HILL (President, Building Materials) has made 3 purchases buying 8,500 shares for an estimated $418,372 and 0 sales.
- STEPHEN S CLARK (Chief People Officer) has made 11 purchases buying 5,000 shares for an estimated $259,122 and 0 sales.
- ROALD BROUWER (Chief Technology Officer) has made 5 purchases buying 5,000 shares for an estimated $244,927 and 0 sales.
- DENISE R SINGLETON (Chief Legal Officer & Corp Sec) purchased 4,000 shares for an estimated $190,560
- SAMUEL JONAS POLETTI (Chief Strategy & M&A Officer) purchased 1,280 shares for an estimated $59,161
BOOZ ALLEN HAMILTON HOLDING CORP ($BAH)
ROZANSKI HORACIO (President and CEO) bought 23,800 shares on 10/30 for an estimated $2,014,908.
Past $BAH Insider Trades
BOOZ ALLEN HAMILTON HOLDING CORP insiders have traded $BAH stock on the open market 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $BAH stock by insiders over the last 6 months:
- HORACIO ROZANSKI (President and CEO) purchased 23,800 shares for an estimated $2,014,908
AVANTOR, INC. ($AVTR)
SUMME GREGORY L bought 100,000 shares on 10/30 for an estimated $1,125,000.
Past $AVTR Insider Trades
AVANTOR, INC. insiders have traded $AVTR stock on the open market 6 times in the past 6 months. Of those trades, 5 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $AVTR stock by insiders over the last 6 months:
- GREGORY L SUMME has made 5 purchases buying 275,000 shares for an estimated $3,309,000 and 0 sales.
- STEVEN W ECK (SVP & Chief Accounting Officer) sold 3,476 shares for an estimated $39,591
TEXAS CAPITAL BANCSHARES INC/TX ($TCBI)
STALLINGS ROBERT W bought 5,000 shares on 10/28 for an estimated $104,149.
Past $TCBI Insider Trades
TEXAS CAPITAL BANCSHARES INC/TX insiders have traded $TCBI stock on the open market 11 times in the past 6 months. Of those trades, 11 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $TCBI stock by insiders over the last 6 months:
- ROBERT W STALLINGS has made 11 purchases buying 55,500 shares for an estimated $1,123,145 and 0 sales.
WESBANCO INC ($WSBC)
Afzal Zahid bought 3,319 shares on 10/30 for an estimated $99,939.
Past $WSBC Insider Trades
WESBANCO INC insiders have traded $WSBC stock on the open market 17 times in the past 6 months. Of those trades, 17 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $WSBC stock by insiders over the last 6 months:
- JAMES W CORNELSEN purchased 10,000 shares for an estimated $250,000
- D BRUCE KNOX purchased 8,000 shares for an estimated $200,000
- F ERIC JR NELSON purchased 8,000 shares for an estimated $200,000
- JOSEPH R ROBINSON purchased 8,000 shares for an estimated $200,000
- TODD CLOSSIN purchased 8,000 shares for an estimated $200,000
- K WEISS DANIEL (SEVP & Chief Financial Officer) purchased 4,000 shares for an estimated $100,000
- JEFFREY H JACKSON (President & CEO) purchased 4,000 shares for an estimated $100,000
- ZAHID AFZAL has made 2 purchases buying 3,321 shares for an estimated $99,999 and 0 sales.
- GREGORY S JR PROCTOR purchased 2,000 shares for an estimated $50,000
- JOHN BOOKMYER purchased 2,000 shares for an estimated $50,000
- LOUIS MICHAEL ALTMAN purchased 1,000 shares for an estimated $25,000
- SCOTT A LOVE (EVP - Wealth Management) purchased 1,000 shares for an estimated $25,000
- ROSIE ALLEN-HERRING purchased 800 shares for an estimated $20,000
- ROBERT H FRIEND (EVP & CCO) purchased 800 shares for an estimated $20,000
- KERRY M STEMLER has made 2 purchases buying 545 shares for an estimated $16,840 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
