Ionis Pharmaceuticals Inc.
Organization details
- Legal name
- Ionis Pharmaceuticals Inc.
- Former names
- Isis Pharmaceuticals Inc
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Health Care
- SIC code
- 2834 — Pharmaceutical Preparations
- Jurisdiction of incorporation
- California
- Headquarters city
- Carlsbad
- Headquarters state / province
- California
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- IONS
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000874015
- EIN
- 33-0336973
Board of directors
-
Allene M. Diaz · DirectorSince 2023
-
B. Lynne Parshall · DirectorSince 2023
-
Brett P. Monia · Director · Chief Executive OfficerSince 2023
-
Joan E. Herman · DirectorSince 2023
-
Joseph H. Wender · DirectorSince 2023
-
Joseph Klein III · DirectorSince 2023
-
Joseph Loscalzo · DirectorSince 2023
-
Ludwig Hantson · DirectorSince 2026
-
Michael J. Yang · DirectorSince 2023
-
Michael R. Hayden · DirectorSince 2023
-
Peter N. Reikes · DirectorSince 2026
-
Spencer R. Berthelsen · DirectorSince 2023
Chief executives
Director election results
Annual meeting of June 4, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
85.2%
-
96.4%
Board connections
7 of this board's directors also sit on 8 other boards. 7 are in the same sector.
-
AbCellera Biologics Inc. Same sectorvia Michael R. Hayden
-
Cognition Therapeutics Inc. Same sectorvia Brett P. Monia
-
Cypherpunk Technologies Inc. Same sectorvia Joseph Loscalzo
-
Cytokinetics Incorporated Same sectorvia B. Lynne Parshall
-
Encompass Health Corporation Same sectorvia Joan E. Herman
-
Foghorn Therapeutics Inc. Same sectorvia B. Lynne Parshall
- via Joseph H. Wender
-
Pacira BioSciences Inc. Same sectorvia Michael J. Yang
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $1,058,700
- 2 purchases by 1 insider
- Sold, last 12 months
- $120,743,773
- 109 sales by 18 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 16, 2026 | Devers Shannon L. Officer (EVP, Chief Human Resources Ofc) | Open-market sale | −1,357 | $43.54 | $59,082 |
| Oct 16, 2026 | Swayze Eric Officer (EVP Research) | Open-market sale | −53 | $43.54 | $2,308 |
| Oct 15, 2026 | Devers Shannon L. Officer (EVP, Chief Human Resources Ofc) | Option exercise | +2,820 | — | — |
| Oct 15, 2026 | Swayze Eric Officer (EVP Research) | Option exercise | +125 | — | — |
| Aug 31, 2026 | BENNETT C FRANK Officer (EVP, Chief Scientific Officer) | Other | +110 | $51.31 | $5,644 |
| Aug 31, 2026 | Birchler Brian Officer (EVP, Corp and Development Ops) | Other | +58 | $51.31 | $2,976 |
| Aug 31, 2026 | Brett P. Monia Director, Officer (Chief Executive Officer) | Other | +98 | $51.31 | $5,028 |
| Aug 31, 2026 | O'NEIL PATRICK R. Officer (EVP CLO & General Counsel) | Other | +63 | $51.31 | $3,233 |
| Jul 31, 2026 | Michael R. Hayden Director | Open-market purchase | +5,000 | $51.60 | $258,000 |
| Jul 30, 2026 | Michael R. Hayden Director | Open-market purchase | +15,000 | $53.38 | $800,700 |
| Jul 15, 2026 | Spencer R. Berthelsen Director | Option exercise | +5,220 | — | — |
| Jul 15, 2026 | Joan E. Herman Director | Option exercise | +5,220 | — | — |
| Jul 7, 2026 | BENNETT C FRANK Officer (EVP, Chief Scientific Officer) | Open-market sale | −5,536 | $83.58 | $462,699 |
| Jul 7, 2026 | Allene M. Diaz Director | Option exercise | +10,111 | $47.11 | $476,329 |
| Jul 7, 2026 | Kordasiewicz Holly B. Officer (EVP, Chief Development Officer) | Open-market sale | −362 | $84.30 | $30,517 |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about Ionis Pharmaceuticals Inc.
Who is the CEO of Ionis Pharmaceuticals Inc.?
Brett P. Monia is Ionis Pharmaceuticals Inc.'s Chief Executive Officer.
How many directors are on Ionis Pharmaceuticals Inc.'s board?
Ionis Pharmaceuticals Inc.'s board has 12 directors: Allene M. Diaz, B. Lynne Parshall, Brett P. Monia, Joan E. Herman, Joseph H. Wender, Joseph Klein III, Joseph Loscalzo, Ludwig Hantson, Michael J. Yang, Michael R. Hayden and 2 others.
Are Ionis Pharmaceuticals Inc. insiders buying or selling shares?
Over the last 12 months, Ionis Pharmaceuticals Inc. insiders bought $1.1 million of shares in 2 purchases and sold $120.7 million of shares in 109 sales on the open market, as reported to the SEC on Forms 4 and 5.
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