Mark B. Templeton

Mark B. Templeton is a declared insider at 3 companies (board member); the most frequent names are Arista Networks, Inc., Nutanix, Inc. and Health Catalyst, Inc. Between 20 May 2021 and 1 October 2026, the trades on record add up to 40 filings.

Sales make up the whole of the open-market record (10 sales, €1.7M). The rest of the record consists of 7 share grants and 22 option exercises. Since January 2026: no purchases and 10 sales on the market.

The newest entry dates from 5 October 2026: an open-market sale of €124k, in Arista Networks, Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. For comparison, the SEC allows two business days to file a Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.