Free Trial

Ionis Pharmaceuticals (IONS) SEC Filings & 10K Form

Ionis Pharmaceuticals logo
$41.73 -0.65 (-1.53%)
Closing price 07/11/2025 04:00 PM Eastern
Extended Trading
$41.66 -0.07 (-0.18%)
As of 07/11/2025 07:54 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Recent Ionis Pharmaceuticals SEC Filings

DateFilerForm TypeView
06/12/2025
8:00 AM
Ionis Pharmaceuticals (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/10/2025
5:02 AM
Ionis Pharmaceuticals (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/19/2025
6:18 AM
Ionis Pharmaceuticals (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/30/2025
10:15 AM
Ionis Pharmaceuticals (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/25/2025
3:26 PM
Ionis Pharmaceuticals (Filer)
Form DEFA14A
04/25/2025
3:27 PM
Ionis Pharmaceuticals (Filer)
Form ARS
04/17/2025
3:53 PM
Baroldi Joseph (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/17/2025
3:53 PM
Ionis Pharmaceuticals (Issuer)
Jenne Kyle (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/17/2025
3:53 PM
Birchler Brian (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/17/2025
8:35 AM
BlackRock, Inc. (Filed by)
Ionis Pharmaceuticals (Subject)
Form SCHEDULE 13G/A
04/16/2025
4:38 PM
Baroldi Joseph (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
04/16/2025
4:40 PM
Birchler Brian (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
04/16/2025
4:41 PM
Ionis Pharmaceuticals (Subject)
Jenne Kyle (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/13/2025
3:45 PM
Ionis Pharmaceuticals (Issuer)
Monia Brett P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2025
4:16 PM
BENNETT C FRANK (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2025
4:16 PM
Birchler Brian (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2025
4:16 PM
Geary Richard S (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2025
4:16 PM
Ionis Pharmaceuticals (Issuer)
Monia Brett P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2025
4:16 PM
Ionis Pharmaceuticals (Issuer)
O'NEIL PATRICK R. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2025
4:17 PM
Ionis Pharmaceuticals (Issuer)
Swayze Eric (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/19/2025
3:06 PM
Ionis Pharmaceuticals (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/19/2025
10:15 AM
Ionis Pharmaceuticals (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/13/2025
3:53 PM
Capital World Investors (Filed by)
Ionis Pharmaceuticals (Subject)
Form SCHEDULE 13G
02/07/2025
10:55 AM
Ionis Pharmaceuticals (Subject)
T. Rowe Price Investment Management, Inc. (Filed by)
Form SCHEDULE 13G/A
02/06/2025
5:26 PM
Ionis Pharmaceuticals (Issuer)
Monia Brett P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/06/2025
5:27 PM
Ionis Pharmaceuticals (Issuer)
O'NEIL PATRICK R. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/04/2025
3:56 PM
Ionis Pharmaceuticals (Subject)
Monia Brett P (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/03/2025
6:26 PM
BENNETT C FRANK (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2025
6:26 PM
Geary Richard S (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2025
6:26 PM
HOUGEN ELIZABETH L (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2025
6:26 PM
Ionis Pharmaceuticals (Issuer)
Monia Brett P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2025
6:27 PM
Ionis Pharmaceuticals (Issuer)
O'NEIL PATRICK R. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2025
6:27 PM
Ionis Pharmaceuticals (Issuer)
Schneider Eugene (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2025
6:27 PM
Ionis Pharmaceuticals (Issuer)
Swayze Eric (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/31/2025
4:43 PM
Ionis Pharmaceuticals (Subject)
Schneider Eugene (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/31/2025
4:41 PM
Geary Richard S (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/31/2025
4:01 PM
HOUGEN ELIZABETH L (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/31/2025
4:02 PM
Ionis Pharmaceuticals (Subject)
O'NEIL PATRICK R. (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/31/2025
4:03 PM
Ionis Pharmaceuticals (Subject)
Swayze Eric (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/31/2025
3:58 PM
Ionis Pharmaceuticals (Subject)
Monia Brett P (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/31/2025
3:59 PM
BENNETT C FRANK (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
This Cold War “Accident” Could Unleash New $100 Trillion AI Boom (Ad)

Obscure Metal More Valuable than Gold and Bitcoin… COMBINED? This strange "AI Metal" holds the key to the $100 trillion AI boom. Which is why Jeff Brown recently traveled to a location that has one of the highest concentrations of this metal in the world. And you won't believe what he uncovered.

Click here to see the details because this could be the biggest tech story of this decade.
01/17/2025
6:40 PM
Baroldi Joseph (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:40 PM
BENNETT C FRANK (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:40 PM
Birchler Brian (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:40 PM
Devers Shannon L. (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:40 PM
Geary Richard S (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:40 PM
HOUGEN ELIZABETH L (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:40 PM
Ionis Pharmaceuticals (Issuer)
Jenne Kyle (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:41 PM
Ionis Pharmaceuticals (Issuer)
Monia Brett P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:41 PM
Ionis Pharmaceuticals (Issuer)
O'NEIL PATRICK R. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:41 PM
Ionis Pharmaceuticals (Issuer)
Schneider Eugene (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:41 PM
Ionis Pharmaceuticals (Issuer)
Swayze Eric (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/17/2025
6:41 PM
Ionis Pharmaceuticals (Issuer)
YANG MICHAEL J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/16/2025
6:31 PM
Ionis Pharmaceuticals (Subject)
Swayze Eric (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:18 PM
Baroldi Joseph (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:19 PM
BENNETT C FRANK (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:21 PM
Birchler Brian (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:22 PM
Devers Shannon L. (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:23 PM
Geary Richard S (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:25 PM
HOUGEN ELIZABETH L (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:28 PM
Ionis Pharmaceuticals (Subject)
Monia Brett P (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:29 PM
Ionis Pharmaceuticals (Subject)
O'NEIL PATRICK R. (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2025
6:30 PM
Ionis Pharmaceuticals (Subject)
Schneider Eugene (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/08/2025
10:29 AM
Ionis Pharmaceuticals (Subject)
VANGUARD GROUP INC (Filed by)
Form SCHEDULE 13G/A
01/06/2025
3:52 PM
Baroldi Joseph (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2025
3:52 PM
BENNETT C FRANK (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2025
3:52 PM
Birchler Brian (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2025
3:52 PM
Devers Shannon L. (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/26/2024
3:57 PM
Hayden Michael R (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/20/2024
1:28 PM
Ionis Pharmaceuticals (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/14/2024
7:34 PM
BB BIOTECH AG (Filed by)
Ionis Pharmaceuticals (Subject)
Form SC 13G/A
11/13/2024
7:55 AM
Ionis Pharmaceuticals (Subject)
Monia Brett P (Reporting)
Form 144/A
11/08/2024
9:52 AM
Ionis Pharmaceuticals (Subject)
WELLINGTON MANAGEMENT GROUP LLP (Filed by)
Form SC 13G
11/06/2024
3:06 PM
Ionis Pharmaceuticals (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/06/2024
10:15 AM
Ionis Pharmaceuticals (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/17/2024
5:39 PM
Devers Shannon L. (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
10/17/2024
5:42 PM
Ionis Pharmaceuticals (Issuer)
Swayze Eric (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
10/01/2024
5:01 PM
Devers Shannon L. (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
10/01/2024
5:01 PM
Devers Shannon L. (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/10/2024
4:19 PM
Ionis Pharmaceuticals (Filer)
Form 424B5
09/09/2024
3:33 PM
Ionis Pharmaceuticals (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/09/2024
3:23 PM
Ionis Pharmaceuticals (Filer)
Form 424B5
09/04/2024
8:43 PM
Ionis Pharmaceuticals (Issuer)
Monia Brett P (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/04/2024
8:43 PM
Ionis Pharmaceuticals (Issuer)
O'NEIL PATRICK R. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/04/2024
8:51 PM
Ionis Pharmaceuticals (Issuer)
Swayze Eric (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/04/2024
8:23 PM
Ionis Pharmaceuticals (Subject)
Monia Brett P (Reporting)
Form 144/A
09/04/2024
8:24 PM
Ionis Pharmaceuticals (Subject)
O'NEIL PATRICK R. (Reporting)
Form 144/A
09/04/2024
8:25 PM
HOUGEN ELIZABETH L (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144/A
09/04/2024
8:27 PM
BENNETT C FRANK (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144/A
09/04/2024
8:29 PM
Cadoret-Manier Onaiza (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144/A
09/04/2024
8:33 PM
Geary Richard S (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4/A
The Robotics Revolution has arrived … and one $7 stock could take off as a result. (Ad)

Something big is brewing in Washington. According to my research, an executive order from President Trump could be just weeks away. And it holds the potential to trigger one of the most explosive tech booms in US history. At the center of it all? Robots. Not the kind that clean your house or pour you coffee. But the kind that could reshape entire industries, add $1.2 trillion per year to the US economy, and affect 65 million American lives — just in the next year.

This little-known company holds nearly 100 patents and trades for around $7
09/04/2024
8:33 PM
Ionis Pharmaceuticals (Subject)
Monia Brett P (Reporting)
Form 144/A
09/04/2024
8:40 PM
BENNETT C FRANK (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/04/2024
8:40 PM
Birchler Brian (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/04/2024
8:41 PM
Geary Richard S (Reporting)
Ionis Pharmaceuticals (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/04/2024
8:19 PM
Ionis Pharmaceuticals (Subject)
Swayze Eric (Reporting)
Form 144/A
09/04/2024
8:20 PM
Ionis Pharmaceuticals (Subject)
Schneider Eugene (Reporting)
Form 144/A
09/04/2024
8:21 PM
Geary Richard S (Reporting)
Ionis Pharmaceuticals (Subject)
Form 144/A
09/04/2024
8:02 PM
Ionis Pharmaceuticals (Issuer)
Swayze Eric (Reporting)
Form 4/A
09/04/2024
8:06 PM
Ionis Pharmaceuticals (Issuer)
Schneider Eugene (Reporting)
Form 4/A
(Data available from 1/1/2016 forward)


Related Companies and Tools


This page (NASDAQ:IONS) was last updated on 7/14/2025 by MarketBeat.com Staff
From Our Partners