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Insider ActivityPTGX
Giraudo Bryan, Director at Protagonist Therapeutics, Inc, sold $513K of PTGX
Updated Jun 13, 2026
Giraudo Bryan
Director
Protagonist Therapeutics, Inc ·
$PTGX
Transaction Details
| Insider | Giraudo Bryan |
|---|---|
| Title | Director |
| Company | Protagonist Therapeutics, Inc |
| Ticker | PTGX |
| Transaction Type | Sale |
| Transaction Date | 2026-05-08 |
| Shares Traded | 5,130 |
| Price Per Share | $100 |
| Total Value | $513K |
| Filed Date | 2026-05-11 |
| Accession Number | 0001104659-26-058860 |
Ownership Context
| Shares Owned After Transaction | 12,695 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001104659-26-058860
Other Insider Trades — PTGX
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Waddill William D. | Director | sold | $969K | 2026-06-10 |
| Waddill William D. | Director | traded | $35K | 2026-06-10 |
| Waddill William D. | Director | traded | $99K | 2026-06-10 |
| Waddill William D. | Director | sold | $897K | 2026-05-29 |
| Waddill William D. | Director | traded | $106K | 2026-05-29 |
| PATEL DINESH V PH D | President and CEO, Director | traded | $1.6M | 2026-05-12 |
| PATEL DINESH V PH D | President and CEO, Director | sold | $7.5M | 2026-05-12 |
| PATEL DINESH V PH D | President and CEO, Director | sold | $7.5M | 2026-05-12 |
| PATEL DINESH V PH D | President and CEO, Director | traded | $1.6M | 2026-05-12 |
| Giraudo Bryan | Director | sold | $600K | 2026-05-08 |
Other Trades by Giraudo Bryan
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| PTGX | Protagonist Therapeutics, Inc | sold | $600K | 2026-05-08 |
| PTGX | Protagonist Therapeutics, Inc | traded | $155K | 2026-05-07 |
| PTGX | Protagonist Therapeutics, Inc | traded | $84K | 2026-05-07 |
| PTGX | Protagonist Therapeutics, Inc | sold | $3.6M | 2026-05-07 |
| PTGX | Protagonist Therapeutics, Inc | sold | $1.2M | 2026-05-07 |
Full Ticker Profile
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 13, 2026 at 07:11 UTC