Insider purchases for Tuesday, May 12, 2026

URL date = read day. Content = filings posted on 2026-05-11. 3 issuers met the criteria.

← month index

Ticker Company Purchase MC EV Insider
TXO TXO Partners, L.P. $9,580,613 $690.5M $959.7M
SIMPSON BOB R (Director, 10% Owner) — $9,456,496 in 3 txns
ADAMS WILLIAM H III (Director) — $124,117
ATRA Atara Biotherapeutics, Inc. $4,744,255 $71.8M $63.3M
EcoR1 Capital, LLC (10% Owner) — $4,744,255
GTE GRAN TIERRA ENERGY INC. $255,921 $314.0M $741.3M
LM Asset Management Inc. (10% Owner) — $255,921 in 2 txns