KLEIN JOSEPH III - Insider Non-Derivative Transactions at IONIS PHARMACEUTICALS INC (IONS) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 25, 2025, KLEIN JOSEPH III's relationship to IONIS PHARMACEUTICALS INC (IONS) is Director, and currently has 4,000 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other IONS insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

KLEIN JOSEPH III - Insider Non-Derivative Transactions of IONS Common Stock

KLEIN JOSEPH III - Insider Non-Derivative Transactions at IONS

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 26, 2025	Sell -- (Common Stock)	4000	80	0
Nov 26, 2025	M -- (Common Stock)	4000	0	4000
Sep 4, 2025	Sell -- (Common Stock)	28000	60	0
Sep 4, 2025	M -- (Common Stock)	16000	0	16000
Sep 4, 2025	M -- (Common Stock)	12000	0	28000
Jul 17, 2024	Sell -- (Common Stock)	12000	50	0
Jul 17, 2024	M -- (Common Stock)	12000	24.42	12000
May 4, 2024	Sell -- (Common Stock)	930	42.9	0
May 4, 2024	Sell -- (Common Stock)	1070	42.55	930
May 4, 2024	Sell -- (Common Stock)	731	42.98	2000
May 4, 2024	Sell -- (Common Stock)	1269	42.59	2731
May 4, 2024	Sell -- (Common Stock)	682	42.94	4000
May 4, 2024	Sell -- (Common Stock)	1318	42.57	4682
Nov 16, 2023	Sell -- (Common Stock)	2000	50	16346
Sep 27, 2023	Sell -- (Common Stock)	2000	45.13	18346
Jul 19, 2023	Sell -- (Common Stock)	3555	42	20346
Jul 18, 2023	M -- (Common Stock)	1777	0	18568
Jul 18, 2023	M -- (Common Stock)	5333	0	23901
Jan 18, 2023	Sell -- (Common Stock)	2000	40	16791