Week of

Jun 1–7

2026-W22

52 notable names · disclosed in SEC filings this week

The week in buying

Biotech and Defense Lead Insider Buying Week

SMMT (Summit Therapeutics) led the week with $3.6M in insider buying across 3 buyers, including a 10% owner, paired with a material 8-K filing. Defense plays LODE (Comstock) and AADX (Applied Aerospace) each drew 4-buyer clusters with ~$1.6M and $1.2M respectively, both backed by catalysts. QTTB (Q32 Bio) saw outsized $30M buying from a 10% owner. The 52-company week was moderately active, with clusters concentrated in biotech, defense, and energy sectors.