John D. Diekman

Director, Affymetrix.

Companies

Zai Lab LimitedBoard member Jan 4, 2021 to now¹
Ideaya Biosciences (United States)Board member May 22, 2019 to Dec 19, 2019²
AffymetrixBoard member Nov 13, 2006 to May 15, 2012³

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

As of each latest filing. The line shows shares held over time.

Jun 17, 2026Granted 22,371 shares of Zai Lab Limited⁴
Jun 18, 2025Granted 10,831 shares of Zai Lab Limited⁵
Jun 18, 2024Granted 21,253 shares of Zai Lab Limited⁶
Jan 31, 2024Bought 5,206,074 shares at $2.31 of Skye Bioscience, Inc.⁷
Jun 29, 2023Granted 18,903 shares at $26.45 of Zai Lab Limited⁸
Oct 10, 2022Sold 87,036 shares at $4.09 of scPharmaceuticals (United States)⁹
Oct 10, 2022Sold 19,017 shares at $4.09 of scPharmaceuticals (United States)⁹
Oct 10, 2022Sold 456,413 shares at $4.09 of scPharmaceuticals (United States)⁹
Oct 6, 2022Sold 5,808 shares at $5.02 of scPharmaceuticals (United States)⁹
Oct 6, 2022Sold 1,269 shares at $5.02 of scPharmaceuticals (United States)⁹
Oct 6, 2022Sold 30,457 shares at $5.02 of scPharmaceuticals (United States)⁹
Feb 4, 2022Sold 1,000 shares at $50.17 of Zai Lab Limited¹⁰
Jan 3, 2022Granted 7,763 shares of Zai Lab Limited¹¹
Nov 5, 2021Sold 1,000 shares at $91.65 of Zai Lab Limited¹²
Aug 17, 2021Gift 7,818 shares of Zai Lab Limited¹³
Jun 16, 2021Shares withheld for tax 3,515 shares at $142.25 of Zai Lab Limited¹³
Mar 4, 2021Gift 7,500 shares of Zai Lab Limited¹³

The numbers on this page point here. Each one links to the record it came from.