We have seen 56 open market insider transactions reported today, October 01, 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.
TRANSOCEAN LTD. ($RIG)
Perestroika (Cyprus) Ltd bought 4,000,000 shares on 09/26 for an estimated $12,200,000.
Past $RIG Insider Trades
TRANSOCEAN LTD. insiders have traded $RIG stock on the open market 7 times in the past 6 months. Of those trades, 4 have been purchases and 3 have been sales.
Here’s a breakdown of recent trading of $RIG stock by insiders over the last 6 months:
- PERESTROIKA purchased 4,000,000 shares for an estimated $12,200,000
- FREDERIK WILHELM MOHN purchased 4,000,000 shares for an estimated $12,200,000
- (CYPRUS) LTD PERESTROIKA purchased 4,000,000 shares for an estimated $12,200,000
- RODERICK JAMES MACKENZIE (EVP, Chief Commercial Officer) has made 0 purchases and 3 sales selling 84,000 shares for an estimated $240,619.
- VANESSA C L CHANG purchased 10,000 shares for an estimated $21,400
PEPGEN INC. ($PEPG)
Oxford Science Enterprises plc bought 200,000 shares on 09/30 for an estimated $640,000.
Past $PEPG Insider Trades
PEPGEN INC. insiders have traded $PEPG stock on the open market 5 times in the past 6 months. Of those trades, 5 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $PEPG stock by insiders over the last 6 months:
- CAPITAL MANAGEMENT, L.P. RA purchased 9,375,000 shares for an estimated $30,000,000
- SCIENCE ENTERPRISES PLC OXFORD purchased 200,000 shares for an estimated $640,000
- JAMES G MCARTHUR (President and CEO) has made 2 purchases buying 51,500 shares for an estimated $61,274 and 0 sales.
- PAUL STRECK (EVP, Head of R&D) purchased 8,375 shares for an estimated $10,393
SPROTT FOCUS TRUST INC. ($FUND)
GEORGE W WHITNEY bought 59,537 shares on 09/29 for an estimated $487,012.
Past $FUND Insider Trades
SPROTT FOCUS TRUST INC. insiders have traded $FUND stock on the open market 21 times in the past 6 months. Of those trades, 14 have been purchases and 7 have been sales.
Here’s a breakdown of recent trading of $FUND stock by insiders over the last 6 months:
- W WHITNEY GEORGE has made 14 purchases buying 375,936 shares for an estimated $2,923,983 and 7 sales selling 59,700 shares for an estimated $459,237.
IMMUNEERING CORP ($IMRX)
Feinberg Peter bought 7,500 shares on 09/30 for an estimated $52,730.
Past $IMRX Insider Trades
IMMUNEERING CORP insiders have traded $IMRX stock on the open market 14 times in the past 6 months. Of those trades, 14 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $IMRX stock by insiders over the last 6 months:
- PETER FEINBERG has made 3 purchases buying 37,500 shares for an estimated $151,817 and 0 sales.
- THOMAS J. SCHALL has made 2 purchases buying 49,985 shares for an estimated $124,065 and 0 sales.
- BENJAMIN J. ZESKIND (PRESIDENT AND CEO) has made 3 purchases buying 31,000 shares for an estimated $85,023 and 0 sales.
- BRETT MATTHEW HALL (CHIEF SCIENTIFIC OFFICER) has made 2 purchases buying 13,422 shares for an estimated $34,616 and 0 sales.
- DIANA HAUSMAN has made 2 purchases buying 5,500 shares for an estimated $19,862 and 0 sales.
- HAROLD EUGENE BRAKEWOOD (Chief Business Officer) purchased 1,900 shares for an estimated $4,804
- LEAH R NEUFELD (CHIEF PEOPLE OFFICER) purchased 700 shares for an estimated $2,498
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
