Skip to contentDIEKMAN JOHN D — AFFYMETRIX INC insider: 74 transactions · InsiderLensDIEKMAN JOHN D
- 10% owner at SKYE INTERNATIONAL, INC · on record since Aug 28, 2023
- Director at AFFYMETRIX INC · on record since Nov 13, 2006
- 10% owner at PLC SYSTEMS INC · on record since Sep 25, 2014
- 10% owner at SPESCOM SOFTWARE INC · on record since Jul 25, 2014
- 10% owner at Cidara Therapeutics, Inc. · on record since Apr 22, 2015
- 10% owner at PHASERX, INC. · on record since May 23, 2016
- 10% owner at BOLD ENERGY INC. · on record since Jul 19, 2016
- Fomer 10% owner at BOLD ENERGY INC. · on record since Apr 26, 2017
- 10% owner at scPharmaceuticals Inc. · on record since Nov 21, 2017
- 10% owner at Q32 Bio Inc. · on record since Mar 27, 2018
- 10% owner at ARVINAS, INC. · on record since Sep 26, 2018
- 10% owner at Crinetics Pharmaceuticals, Inc. · on record since Jul 20, 2018
- Director at IDEAYA Biosciences, Inc. · on record since May 28, 2019
- Former 10% holder at Crinetics Pharmaceuticals, Inc. · on record since Jun 25, 2019
- 10% owner at Aprea Therapeutics, Inc. · on record since Oct 9, 2019
- 10% owner at IDEAYA Biosciences, Inc. · on record since Nov 13, 2020
- Former 10% holder at Aprea Therapeutics, Inc. · on record since Oct 7, 2020
- Director at Zai Lab Ltd · on record since Jan 20, 2021
- 10% owner at Thimble Point Acquisition Corp. · on record since Dec 13, 2021
Insider trading activity of DIEKMAN JOHN D
- Transactions on record
- 74
- since Aug 25, 2003
- Open-market buys
- 3
- $14.5M
- Open-market sells
- 31
- $14.5M
- Companies traded
- 7
- last filing Jun 22, 2026
Figures computed from official regulatory filings — methodology.
Companies where DIEKMAN JOHN D has traded
- Zai Lab Ltd13 tx · $1.4M · Jun 22, 2026
- SKYE INTERNATIONAL, INC1 tx · $12M · Feb 2, 2024
- scPharmaceuticals Inc.6 tx · $2.5M · Oct 11, 2022
- IDEAYA Biosciences, Inc.11 tx · $2.5M · Dec 19, 2019
- ARVINAS, INC.2 tx · $5.1M · Apr 1, 2019
- Crinetics Pharmaceuticals, Inc.2 tx · $5.7M · Jan 24, 2019
- AFFYMETRIX INC39 tx · $1.3M · May 15, 2012
Track record of DIEKMAN JOHN D
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of DIEKMAN JOHN D
Co-insiders of DIEKMAN JOHN D
- ROCKLAGE SCOTT MAprea Therapeutics, Inc. +12
- Schwab Andrew J.Aprea Therapeutics, Inc. +12
- 5AM Co-Investors IV, L.P.Aprea Therapeutics, Inc. +5
- 5AM Partners IV, LLCAprea Therapeutics, Inc. +5
- 5AM Ventures IV, L.P.Aprea Therapeutics, Inc. +5
- PARMAR KUSHAprea Therapeutics, Inc. +5
- ORBIMED ADVISORS LLCARVINAS, INC. +4
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5AM Co-Investors III, L.P.ARVINAS, INC. +3
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 22, 2026 | Award | 22,371 | 0.00 USD | — | SEC |
| Jun 23, 2025 | Award | 10,831 | 0.00 USD | $0 | SEC |
| Jun 20, 2024 | Award | 21,253 | 0.00 USD | $0 | SEC |
| Feb 2, 2024 | Buy | 5,206,074 | 2.31 USD | $12M | SEC |
| Jun 30, 2023 | Award | 18,903 | 26.45 USD | $500K | SEC |
| Oct 11, 2022 | Sell | -30,457 | 5.02 USD | $152.9K | SEC |
| Oct 11, 2022 | Sell | -1,269 | 5.02 USD | $6.4K | SEC |
| Oct 11, 2022 | Sell | -87,036 | 4.09 USD | $356K | SEC |
| Oct 11, 2022 | Sell | -5,808 | 5.02 USD | $29.2K | SEC |
| Oct 11, 2022 | Sell | -456,413 | 4.09 USD | $1.9M | SEC |
| Oct 11, 2022 | Sell | -19,017 | 4.09 USD | $77.8K | SEC |
| Feb 14, 2022 | Gift | -7,818 | 0.00 USD | $0 | SEC |
| Feb 14, 2022 | Other | -3,515 | 142.25 USD | $500K | SEC |
| Feb 14, 2022 | Gift | -7,500 | 0.00 USD | $0 | SEC |
| Feb 7, 2022 | Sell | -1,000 | 50.17 USD | $50.2K | SEC |
| Jan 4, 2022 | Award | 7,763 | 0.00 USD | $0 | SEC |
| Nov 8, 2021 | Sell | -1,000 | 91.65 USD | $91.7K | SEC |
| Aug 5, 2021 | Sell | -1,000 | 149.50 USD | $149.5K | SEC |
| May 6, 2021 | Sell | -1,000 | 153.62 USD | $153.6K | SEC |
| Jan 20, 2021 | Award | 3,852 | 0.00 USD | $0 | SEC |
| Dec 19, 2019 | AwardD | 11,000 | 0.00 USD | $0 | SEC |
| May 28, 2019 | Other | 578,447 | — | — | SEC |
| May 28, 2019 | Other | 24,101 | — | — | SEC |
| May 28, 2019 | OtherD | -71,745 | — | — | SEC |
| May 28, 2019 | Buy | 240,000 | 10.00 USD | $2.4M | SEC |