InsidersTradesSigma
Total declarations
Companies
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Insider track record
CEODisclosed buys
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Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the complete record of transactions filed by Lanfear Dennis M, Chairman & CEO. Insider active across 2 companies, notably Coherus BioSciences, Inc.. Aggregated, 13 reports have been recorded. History available since 6 June 2021. The latest transaction was disclosed on 23 January 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
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Declarations13 total
375,000 shares0Common StockSEC:0001610717-26-000027:0
11,839 shares@ US$1.55100.0% of flowCommon StockSEC:0001610717-26-000016:0
11,810 shares@ US$1.393.5% of flowCommon StockSEC:0001610717-25-000013:0
11,810 shares@ US$1.664.2% of flowCommon StockSEC:0001610717-25-000009:0
11,218 shares@ US$2.445.6% of flowCommon StockSEC:0001610717-24-000039:0
11,781 shares@ US$2.927.0% of flowCommon StockSEC:0001610717-24-000019:0
41,000 shares@ US$1.41711.8% of flowCommon StockSEC:0001610717-23-000363:0
86,250 shares0Common StockSEC:0001567619-23-001211:0
10,905 shares@ US$9.8722.6% of flowCommon StockSEC:0001567619-23-000698:0
4,000 shares0Common StockSEC:0001567619-23-000350:0
86,250 shares0Common StockSEC:0001567619-22-000821:0
10,000 shares0Common StockSEC:0001567619-21-021059:0
300,000 shares@ US$0.416829.4% of flowCommon StockSEC:0001567619-21-011842:0
13 of 13 declarations
About Lanfear Dennis M
Lanfear Dennis M is President & CEO of Coherus BioSciences, Inc. and Coherus Oncology, Inc. The record shows 13 filings in total, all within the sampled set, with the transaction nature indicated as tax withholding. The recent filings span from 2021-06-08 to 2026-01-26, and the amounts shown in the filings identified range from EUR 19,092.52807878707 to EUR 102,757.8702188947.
