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CHEN ISAN

Insider transactions at 1 company

This page shows all SEC Form 4 filings attributed to CHEN ISAN. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

TYRA
Company Title Type Shares Price Value Date
TYRA C 61,444 Sep 17, 2021
0001576263 EVP, Chief Medical Officer Option Exercise 33,334 $24.99 $833,017 May 11, 2020
0001576263 EVP, Chief Medical Officer Option Exercise 3,002 $24.99 $75,020 Jan 29, 2020
0001576263 EVP, Chief Medical Officer Option Exercise 625 $21.51 $13,444 Jan 23, 2019
0001576263 EVP, Chief Medical Officer Option Exercise 275 $17.41 $4,788 Jul 16, 2018
0001576263 EVP, Chief Medical Officer Option Exercise 10,124 $15.79 $159,858 Apr 25, 2018
0001576263 Sr.Vice President, Chief Medi Option Exercise 2,542 $15.79 $40,138 Jan 13, 2016
0001576263 Chief Medical & Dev't Officer Option Exercise 12,666 $15.79 $199,996 Mar 9, 2015