Overview
Insider buying was focused in financials and services, while selling was concentrated in technology and financials, with notable activity in software and capital markets.
High Signal
COE — Chief Executive Officer (Huang Jack Jiajia) purchased $8.49M (largest purchase, out of 5) across 5 filings between 2026-07-14 and 2026-07-20. Dip Buy: the stock was down 5% in the previous 4 weeks. No other insiders reported purchases in the last 30 days.
RBKB — President & CEO (Smith Matthew James) bought $149,089 (first recorded purchase). EVP, Head of Comm Banking (Vitale Michael) purchased $59,700 (first recorded purchase). Loughlin Suzanne bought $149,120 (first recorded purchase). These purchases represent meaningful increases in holdings, with holdingPctChange ranging from 1.5% to over 1,100% for individual filers.
Notable Buys
ARTV — L.p. Ra Capital Management purchased $2.64M in Artiva Biotherapeutics, Inc. across 4 filings between 2026-07-13 and 2026-07-23 (first purchases of ARTV). This is the largest buy activity for this filer in this ticker, with a steady accumulation pattern.
ENR — Ltd. Aqua Capital bought $2.04M in Energizer Holdings, Inc. across 6 filings between 2026-07-21 and 2026-07-22 (first purchases of ENR). The purchases were spread over two days, indicating a deliberate build-up.
TSM — VP (Tien Bor-Zen) purchased $297,300 in Taiwan Semiconductor Manufacturing Co Ltd across 5 filings on 2026-07-20 and 2026-07-21 (first purchases of TSM). These buys represent a 100% increase in holdings, with the stock trading flat over the period.
Notable Sells
SNEX — Executive Vice-Chairman-Board (Sean Michael Oconnor) sold $7.80M, Chief Financial Officer (Dunaway William J) sold $7.13M, Chief Executive Officer (Smith Philip Andrew) sold $3.34M, Chief Governance/Legal Officer (Rotsztain Diego) sold $2.23M, and Maurer Mark Lowry sold $3.89M in StoneX Group Inc. across multiple filings on 2026-07-22. These sales were clustered among top executives, with holdingPctChange ranging from 5.7% to 35.1%.
ADPT — Chief Scientific Officer (Harlan S Robins) sold $10.78M in Adaptive Biotechnologies Corp across 2 filings on 2026-07-21. Five other insiders also sold in the last 30 days, indicating broad-based selling among management. The sales represented a 21% reduction in holdings.
CRWV — CEO and President (Intrator Michael N) sold $19.6M in CoreWeave, Inc. across 10 filings on 2026-07-21. The sales were spread throughout the day, with holdingPctChange ranging from 0.3% to 100%, indicating both profit-taking and significant position reductions.
TRV — EVP & Chief Financial Officer (Frey Daniel S.) sold $5.17M, EVP & Chief Tech & Ops Officer (Lefebvre Mojgan M) sold $6.01M, and "EVP & President, Personal Ins." (Klein Michael Frederick) sold $2.20M in Travelers Companies, Inc. across multiple filings on 2026-07-21. The sales were clustered among senior management, with some filings representing a 100% reduction in holdings.
IOT — CHIEF EXECUTIVE OFFICER (Biswas Sanjit) sold $10.2M and Bicket John (SEE REMARKS) sold $10.1M in Samsara Inc. across multiple filings on 2026-07-21 and 2026-07-22. The sales were highly clustered, with both executives reducing their positions in tandem.
Patterns
- Financials and technology sectors saw the highest concentration of insider selling, particularly in capital markets and software.
- Several insiders bought into stocks that had declined 5% or more in the prior 4 weeks, notably in COE and RBKB.
- Multiple tickers saw coordinated selling by several top executives on the same day, especially in SNEX, CRWV, and IOT.
Close
Top buy tickers by $ value: COE $8.49M, ARTV $2.64M, ENR $2.04M.
Top sell tickers by $ value: ADPT $10.78M, CRWV $19.6M, SNEX $24.2M.
EARNINGS AHEAD
RBKB — estimated report ~Aug 2 (quarterly)
ADPT — estimated report ~Aug 6 (quarterly)
ENR — estimated report ~Aug 8 (quarterly)
SNEX — estimated report ~Aug 10 (quarterly)