Latest filing published 23 Apr 2026 for Bio-Rad Laboratories, INC..
Filing timeline
BuySaleInsider track record
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Melinda Litherland Pei: trading record in brief
Melinda Litherland Pei discloses dealings in 2 companies, chiefly Rapid Micro Biosystems, Inc. and Bio-Rad Laboratories, Inc. We count 8 filings; the first trade dates from 23 May 2024 and the latest from 21 April 2026.
Purchases make up the whole of the open-market record (4 purchases, €39k). Unlike grants, an open-market purchase is paid for by the insider, at the market price. The rest of the record consists of 2 share grants and 2 option exercises.
The median purchase comes to €9,691. Across 4 purchases, this insider has always bought alone, with no colleague buying within 30 days.
On 23 April 2026 came the latest disclosure, an option exercise in Bio-Rad Laboratories, Inc. The clock since the last published purchase (5 December 2024) now reads 703 days. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. US insiders must file a Form 4 within two business days of a trade. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Melinda Litherland Pei
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 407 shares0Bio-Rad A Common StockSEC:0001703469-26-000002:0
- 14,300 shares0Class A Common StockSEC:0001380106-25-000133:0
- 308 shares0Bio-Rad A Common StockSEC:0001062993-25-007907:0
- 10,880 shares@ US$1.0099.0% of flowClass A Common StockSEC:0001380106-24-000210:0Canonical exit: 3 Mar 2025 (T+90)
- 108 shares@ US$1.041.0% of flowClass A Common StockSEC:0001380106-24-000206:0Canonical exit: 24 Feb 2025 (T+90)
- 14,300 shares0Class A Common StockSEC:0001380106-24-000146:0
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