Overview
Insider buying was concentrated in biotech and financials, while notable selling activity was seen in technology, industrials, and consumer internet names.
High Signal
KLRA — Kaplan Andrew T. purchased $134.38M (first recorded purchase). LLC Bain Capital Life Sciences Investors bought $25.00M (first recorded purchase). These purchases represent a 47% and 7% increase in holdings, respectively, and were made across a single filing each on 2026-04-20. Dip Buy: the stock was down meaningfully in recent periods. Two distinct buyers participated in this round.
ARXS — Roth Jason Aaron (See Remarks) purchased $1.68M (first recorded purchase). Perhamus Kevin Scott (See Remarks) bought $1.50M (first recorded purchase). Badakhsh Azad Sid (See Remarks) purchased $1.01M (first recorded purchase). Oetgen Stephen Duane bought $700K (first recorded purchase). Sealfon Ross Bradley (See Remarks) purchased $350K (first recorded purchase). Patrick E Allen bought $280K (first recorded purchase). Jankowski Ryan Anthony (Chief Accounting Officer) purchased $125K (first recorded purchase). These purchases were made across multiple filings on 2026-04-17, with several filers showing double-digit percentage increases in holdings. The group activity signals strong coordinated insider conviction.
Notable Buys
THM — & Co. Inc. Paulson purchased $12.58M (first purchase of THM). This buy increased their holdings by 4.9%. The purchase comes as the stock has seen some recent volatility in the gold sector.
ALMR — L.L.C. Illumina Innovation Fund II GP purchased $4.00M (first recorded purchase). This buy increased their holdings by 86.6%, a substantial position increase.
HOMB — Chairman & CEO (John W Allison) purchased $2.70M (first recorded purchase). This is the first buy of HOMB by this filer, adding to their position in the banking sector.
Notable Sells
ANET — CEO and Chairperson (Ullal Jayshree) sold a total of $47.85M across 5 filings between 2026-04-16 and 2026-04-16. This included multiple large transactions, with another insider (Breithaupt Chantelle Yvette) also active in the last 30 days. The stock is in the technology hardware sector.
RDW — Llc Ae Red Holdings sold $55.16M across 2 filings between 2026-04-16 and 2026-04-17. These sales represent a 10.7% and 7.7% decrease in holdings, respectively, in the aerospace & defense sector.
MP — Chairman and CEO (Litinsky James H.) sold $19.22M across 2 filings between 2026-04-17 and 2026-04-20. These sales represent a 2% and 0.3% decrease in holdings, respectively, in the industrial metals sector.
SE — Ma David Y sold $20.38M across 10 filings between 2026-04-16 and 2026-04-17. COO (Ye Gang) sold $1.80M across 7 filings in the same period. CCO and GC (Wang Yanjun) and CPO, Shopee (Chen Jingye) also sold smaller amounts. Multiple insiders have been active sellers, with 2 other insiders also trading in the last 30 days. The stock is in the internet retail sector.
ASX — Chen Jeffrey sold $12.25M across 3 filings between 2026-04-16 and 2026-04-20. These sales represent a 6-7% decrease in holdings in the semiconductor sector.
Patterns
- Multiple biotech and healthcare insiders made large, first-time or position-increasing buys, especially in KLRA and ARXS.
- Technology and internet retail sectors saw heavy multi-insider selling, notably in ANET and SE.
- Several large sales in industrials and semiconductors, with RDW and ASX insiders reducing positions by 6-11%.
Close
Top buy tickers by $ value: KLRA $159.38M, THM $12.58M, ALMR $4.00M.
Top sell tickers by $ value: RDW $55.16M, ANET $47.85M, SE $20.38M.