Overview
Insider selling was concentrated in healthcare and technology, while notable buying activity appeared in software, shipping, and select biotech names.
High Signal
NTSK — L.P. ICONIQ Strategic Partners VIII Holdings purchased $3.77M (largest purchase of NTSK). The buying was spread across two filings between 2026-07-10 and 2026-07-13, resulting in a 47% increase in holdings. 2 other insiders also purchased in the last 30 days.
GLBS — Feidakis Georgios bought $316K (first recorded purchase).
Notable Buys
ARTV — L.p. Ra Capital Management purchased $194K (first purchase of ARTV). This is their first recorded buy in the name, with two separate purchases over the period.
NMM — See Remarks (Frangou Angeliki) bought $252K (multiple purchases, 3 filings between 2026-07-10 and 2026-07-14). The insider has made several small, steady purchases, indicating ongoing accumulation.
JCTC — LP AJB Investment Fund II purchased $31K (multiple purchases, 7 filings between 2026-07-13 and 2026-07-14). The fund has been consistently adding to its position over several days.
Notable Sells
ONC — Chief Executive Officer (John Oyler) sold $61.6M across 13 filings between 2026-07-10 and 2026-07-14. The sales represent a significant reduction in holdings, with several transactions resulting in a 100% decrease in position.
ANET — CEO and Chairperson (Ullal Jayshree) sold $37.1M across 2 filings on 2026-07-10. 2 other insiders also sold in the last 30 days.
AVGO — Chief Legal & Corp Affairs Ofc (Brazeal Mark David) sold $10.0M (largest sale of AVGO).
LQDA — Multiple insiders, including Chief Executive Officer (Roger Jeffs), CFO and COO (Kaseta Michael), General Counsel (Schundler Russell), Chief Medical Officer (Saggar Rajeev), Chief Commercial Officer (Moomaw Scott), Chief Accounting Officer (Boyle Dana), Chief Human Resource Officer (Krepp Sarah), Chief Business Officer (Adair Jason), and Chief Development Officer (Khindri Sanjeev), sold a combined $5.7M across numerous filings on 2026-07-13. This represents broad-based selling by the executive team.
P — Chief Visionary Officer (Colgrove John) sold $5.7M across 10 filings on 2026-07-10. The sales were spread over multiple transactions, indicating a systematic reduction in position.
Patterns
- Technology and healthcare sectors saw the largest dollar-value insider sales, with multiple executives selling in clusters.
- Two insiders bought into NTSK, increasing their holdings by 47% during the period.
- ONC saw a series of large, rapid-fire sales by its CEO, with several filings showing a complete exit from the position.
Close
Top buy tickers by $ value: NTSK $3.77M, GLBS $316K, NMM $252K.
Top sell tickers by $ value: ONC $61.6M, ANET $37.1M, AVGO $10.0M.
EARNINGS AHEAD
JCTC — estimated report ~Jul 18 (quarterly)
LQDA — estimated report ~Jul 30 (quarterly)
ANET — estimated report ~Aug 1 (quarterly)