Overview
Insider selling was heavily concentrated in technology and financials, while notable buying activity was seen in materials, healthcare, and select telecom and asset management names.
High Signal
IPX — Executive Chairman (Todd Hannigan) purchased $2.08M across 2 filings between 2026-04-28 and 2026-04-29 (largest and 2nd largest purchases on record for IPX). Holdings increased by 1%. Materials sector, Other Industrial Metals & Mining.
ZBIO — Chief Executive Officer (Leon O Moulder Jr) bought $1.07M across 2 filings between 2026-04-28 and 2026-04-29 (largest and 2nd largest purchases on record for ZBIO). Holdings increased by 2%. Healthcare sector, Biotechnology.
Notable Buys
CXIIU — See Remarks (Michael Stuart Klein) purchased $3.50M (first recorded purchase of CXIIU). This is a substantial initial position.
CHTR — Davis Wade bought $995K (first recorded purchase of CHTR). Communication Services sector, Telecom Services.
PDX — Daniel J Ivascyn purchased $592K (first recorded purchase of PDX). Financials sector, Asset Management.
Notable Sells
BLK — Chairman and CEO (Laurence Fink) sold a total of $45.6M across 5 filings between 2026-04-28 and 2026-04-28 (largest recent sales). Financials sector, Capital Markets. Multiple large transactions in a short window.
MLI — Chairman of the Board & CEO (Christopher Gregory L.) sold $14.18M on 2026-04-27 (largest recent sale). Materials sector, Metals & Mining.
KNTK — ISQ Global Fund II GP LLC sold $18.43M across 3 filings between 2026-04-27 and 2026-04-29 (largest recent sales). Energy sector, Oil & Gas Midstream.
CRWV — Chief Strategy Officer (Brian M Venturo) and Chief Development Officer (Brannin McBee) together sold over $61.6M across numerous filings on 2026-04-27. EVP, Product & Engineering (Chen Goldberg) also sold in multiple smaller transactions. Information Technology sector, Software. This represents a significant cluster of insider selling.
RMAX — Peterson Adam K sold $14.03M across 3 filings between 2026-04-27 and 2026-04-29 (largest recent sales). Real Estate sector, Real Estate Services.
Patterns
- Technology sector saw a cluster of large insider sales, particularly in software.
- Materials and healthcare sectors attracted high-value insider buying, with both IPX and ZBIO insiders making their largest-ever purchases.
- Financials and energy sectors were notable for significant insider selling, with multiple large transactions in BlackRock (BLK) and Kinetik Holdings (KNTK).
Close
Top buy tickers by $ value: CXIIU $3.50M, IPX $2.08M, ZBIO $1.07M.
Top sell tickers by $ value: CRWV $61.6M, BLK $45.6M, KNTK $18.4M.