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  1. Home
  2. Insider Trading
  3. DIEKMAN JOHN D

DIEKMAN JOHN D

CIK: 0001240357
Director
Primary company: AFFYMETRIX INC (AFFX)

DIEKMAN JOHN D is a corporate insider at AFFYMETRIX INC (AFFX) filing SEC Form 4 transactions. 58 transactions across 3 companies, totaling $2,500,000 in purchases and $3,686,327 in sales. Source: SEC EDGAR.

Total Transactions
58
Total Buy Value
$2.50M
Total Sell Value
$3.69M
Net Activity
$-1.19M
Last Transaction
Jun 2025
Companies
3

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Company
Type
Shares
Price
Value
Shares After
Date
SEC
Zai Lab Ltd
ZLAB
Award22,371--122,140
6/17/2026
Filed: 6/17/2026
Filing →
Zai Lab Ltd
ZLAB
Award10,831--99,769
6/18/2025
Filed: 6/23/2025
Filing →
Zai Lab Ltd
ZLAB
Award21,253--88,938
6/18/2024
Filed: 6/20/2024
Filing →
Zai Lab Ltd
ZLAB
Award18,903$26.45$500K86,518
6/29/2023
Filed: 6/30/2023
Filing →
Zai Lab Ltd
ZLAB
Sale1,000$50.17$50K67,615
2/4/2022
Filed: 2/7/2022
Filing →
Zai Lab Ltd
ZLAB
Award7,763$0.00$068,615
1/3/2022
Filed: 1/4/2022
Filing →
Zai Lab Ltd
ZLAB
Sale1,000$91.65$92K60,852
11/5/2021
Filed: 11/8/2021
Filing →
Zai Lab Ltd
ZLAB
Sale1,000$149.50$150K61,852
8/5/2021
Filed: 8/5/2021
Filing →
Zai Lab Ltd
ZLAB
Sale1,000$153.62$154K62,852
5/5/2021
Filed: 5/6/2021
Filing →
Zai Lab Ltd
ZLAB
Award3,852$0.00$063,852
1/15/2021
Filed: 1/20/2021
Filing →
IDEAYA Biosciences, Inc.
IDYA
Award11,000$0.00$011,000
9/24/2019
Filed: 12/19/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Conversion24,101--0
5/28/2019
Filed: 5/28/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Conversion71,745--0
5/28/2019
Filed: 5/28/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Conversion578,447--0
5/28/2019
Filed: 5/28/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Conversion1,721,898--0
5/28/2019
Filed: 5/28/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Purchase10,000$10.00$100K118,521
5/28/2019
Filed: 5/28/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Purchase240,000$10.00$2.40M2,844,545
5/28/2019
Filed: 5/28/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Conversion24,101--108,521
5/28/2019
Filed: 5/28/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Conversion71,745--84,420
5/28/2019
Filed: 5/28/2019
Filing →
IDEAYA Biosciences, Inc.
IDYA
Conversion578,447--2,604,545
5/28/2019
Filed: 5/28/2019
Filing →
Zai Lab Ltd
ZLAB
Type
Award
Shares
22,371
Price
-
Value
-
Zai Lab Ltd
ZLAB
Type
Award
Shares
10,831
Price
-
Value
-
Zai Lab Ltd
ZLAB
Type
Award
Shares
21,253
Price
-
Value
-
Zai Lab Ltd
ZLAB
Type
Award
Shares
18,903
Price
$26.45
Value
$500K
Zai Lab Ltd
ZLAB
Type
Sale
Shares
1,000
Price
$50.17
Value
$50K
Zai Lab Ltd
ZLAB
Type
Award
Shares
7,763
Price
$0.00
Value
$0
Zai Lab Ltd
ZLAB
Type
Sale
Shares
1,000
Price
$91.65
Value
$92K
Zai Lab Ltd
ZLAB
Type
Sale
Shares
1,000
Price
$149.50
Value
$150K
Zai Lab Ltd
ZLAB
Type
Sale
Shares
1,000
Price
$153.62
Value
$154K
Zai Lab Ltd
ZLAB
Type
Award
Shares
3,852
Price
$0.00
Value
$0
IDEAYA Biosciences, Inc.
IDYA
Type
Award
Shares
11,000
Price
$0.00
Value
$0
IDEAYA Biosciences, Inc.
IDYA
Type
Conversion
Shares
24,101
Price
-
Value
-
IDEAYA Biosciences, Inc.
IDYA
Type
Conversion
Shares
71,745
Price
-
Value
-
IDEAYA Biosciences, Inc.
IDYA
Type
Conversion
Shares
578,447
Price
-
Value
-
IDEAYA Biosciences, Inc.
IDYA
Type
Conversion
Shares
1,721,898
Price
-
Value
-
IDEAYA Biosciences, Inc.
IDYA
Type
Purchase
Shares
10,000
Price
$10.00
Value
$100K
IDEAYA Biosciences, Inc.
IDYA
Type
Purchase
Shares
240,000
Price
$10.00
Value
$2.40M
IDEAYA Biosciences, Inc.
IDYA
Type
Conversion
Shares
24,101
Price
-
Value
-
IDEAYA Biosciences, Inc.
IDYA
Type
Conversion
Shares
71,745
Price
-
Value
-
IDEAYA Biosciences, Inc.
IDYA
Type
Conversion
Shares
578,447
Price
-
Value
-
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Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market