Protagonist Therapeutics Inc.
Organization details
- Legal name
- Protagonist Therapeutics Inc.
- Former names
- Protagonist Inc
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Health Care
- SIC code
- 2834 — Pharmaceutical Preparations
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Newark
- Headquarters state / province
- California
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- PTGX
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001377121
- EIN
- 98-0505495
Board of directors
-
Bryan Giraudo · DirectorSince 2023
-
Daniel N. Swisher Jr. · DirectorSince 2023
-
Dinesh V. Ph D. Patel · Director · President and CEOSince 2023
-
Harold E. Selick · DirectorSince 2023
-
Lewis T. Williams · DirectorSince 2023
-
Sarah A. O'Dowd · DirectorSince 2023
-
Sarah B. Noonberg · DirectorSince 2023
-
William D. Waddill · DirectorSince 2023
Chief executives
Director election results
Annual meeting of June 17, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
86.1%
Board connections
4 of this board's directors also sit on 6 other boards. 5 are in the same sector.
-
Annexon Inc. Same sectorvia William D. Waddill
-
Arrowhead Pharmaceuticals Inc. Same sectorvia William D. Waddill
-
Cerus Corporation Same sectorvia Daniel N. Swisher Jr.
-
Corcept Therapeutics Incorporated Same sectorvia Daniel N. Swisher Jr.
- via Sarah A. O'Dowd
-
Neurogene Inc. Same sectorvia Sarah B. Noonberg
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
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $87,712,148
- 36 sales by 7 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 30, 2026 | Ali Asif Officer (Chief Financial Officer) | Option exercise | +9,229 | $38.98 | $359,746 |
| Sep 30, 2026 | Ali Asif Officer (Chief Financial Officer) | Option exercise | +28,438 | $23.42 | $666,018 |
| Sep 30, 2026 | Ali Asif Officer (Chief Financial Officer) | Option exercise | +15,650 | $19.19 | $300,324 |
| Sep 30, 2026 | Ali Asif Officer (Chief Financial Officer) | Option exercise | +5,312 | $12.17 | $64,647 |
| Sep 30, 2026 | Ali Asif Officer (Chief Financial Officer) | Open-market sale | −12,595 | $141.77 | $1,785,593 |
| Sep 30, 2026 | Ali Asif Officer (Chief Financial Officer) | Open-market sale | −46,034 | $141.78 | $6,526,701 |
| Sep 10, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Option exercise | +7,278 | $21.58 | $157,059 |
| Sep 10, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Open-market sale | −7,278 | $144.10 | $1,048,760 |
| Sep 9, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Option exercise | +63,548 | $21.58 | $1,371,366 |
| Sep 9, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Open-market sale | −63,548 | $146.18 | $9,289,447 |
| Sep 8, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Option exercise | +54,174 | $21.58 | $1,169,075 |
| Sep 8, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Open-market sale | −54,174 | $145.87 | $7,902,361 |
| Sep 3, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Gift | −510 | — | — |
| Aug 11, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Option exercise | +34,239 | $21.58 | $738,878 |
| Aug 11, 2026 | Dinesh V. Ph D. Patel Director, Officer (President and CEO) | Open-market sale | −34,239 | $148.52 | $5,085,176 |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about Protagonist Therapeutics Inc.
Who is the CEO of Protagonist Therapeutics Inc.?
Dinesh V. Ph D. Patel is Protagonist Therapeutics Inc.'s President and CEO.
How many directors are on Protagonist Therapeutics Inc.'s board?
Protagonist Therapeutics Inc.'s board has 8 directors: Bryan Giraudo, Daniel N. Swisher Jr., Dinesh V. Ph D. Patel, Harold E. Selick, Lewis T. Williams, Sarah A. O'Dowd, Sarah B. Noonberg and William D. Waddill.
Are Protagonist Therapeutics Inc. insiders buying or selling shares?
Over the last 12 months, Protagonist Therapeutics Inc. insiders made no open-market purchases and sold $87.7 million of shares in 36 sales on the open market, as reported to the SEC on Forms 4 and 5.
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