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, 16 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.
Declarations16 total
6,250 shares0Common StockSEC:0001065168-26-000001:0
6,250 shares0Common StockSEC:0001065168-26-000001
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
576 shares0Common StockSEC:0001209191-21-033798:0
1,040 shares0Common StockSEC:0001209191-21-032983
1,040 shares0Common StockSEC:0001209191-21-032983:0
16 of 16 declarations
About WIDDER KENNETH J
Kenneth J. Widder serves as a Board Member at Quidel Corp, Personalis, Inc., and QuidelOrtho Corp. In this role, he oversees operations and participates in strategic decision-making within these companies. His experience in the biotechnology sector allows him to provide valuable contributions to the board.
