InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the full record of transactions filed by Widder Kenneth J, Director. Director active across 3 companies, notably QUIDEL CORP. Aggregated, 15 reports have been published. Activity tracked since 12 May 2021. The latest transaction was disclosed on 12 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Widder Kenneth J
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations15 total
6,250 shares0Common StockSEC:0001065168-26-000001:0
7,021 shares@ US$15.7452.9% of flowCommon StockSEC:0001065168-25-000005:0
4,929 shares0Common StockSEC:0001906324-25-000100:0
512 shares0Common StockSEC:0001906324-25-000074:0
3,333 shares@ US$27.91100.0% of flowCommon StockSEC:0000950170-24-085807:0
2,416 shares0Common StockSEC:0000950170-24-066011:0
328 shares0Common StockSEC:0000950170-24-059826:0
2,248 shares0Common StockSEC:0001209191-23-035427:0
1,050 shares0Common StockSEC:0001209191-23-029934:0
18,684 sharesCommon StockSEC:0000899243-22-020498:0
18,684 sharesCommon StockSEC:0000899243-22-020408:0
1,624 shares0Common StockSEC:0001209191-22-031196:0
791 shares0Common StockSEC:0001209191-22-029874:0
576 shares0Common StockSEC:0001209191-21-033798:0
1,040 shares0Common StockSEC:0001209191-21-032983:0
15 of 15 declarations
About Widder Kenneth J
WIDDER KENNETH J is Director at QuidelOrtho Corp, QUIDEL CORP and Personalis, Inc. He has 15 filings in total. Across the 15 recent filings sampled, the most common transaction nature is Attribution, with a date range from 2021-05-14 to 2026-05-14. The top filings show 95928.67686689351 EUR on 2025-11-25 at QuidelOrtho Corp and 85330.93748741678 EUR on 2024-07-23 at QuidelOrtho Corp.
