PTGX
Protagonist Therapeutics, Inc
Protagonist Therapeutics, Inc (PTGX) has 8 SEC Form 4 filings (19 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Jun 25, 2026.
The most active filer is Director Waddill William D. with 3 filings. Insiders have net sold $16.5M over the trailing 6 months.
- Industry:Biotechnology
- CEO:Dinesh V. Patel
- Employees:124
- HQ:Newark, CA, US
- IPO:2016-08-11
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$16.5M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Market Cap
$8.7B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Director | Sale | 9,000 | $1.1M | Jun 25 | SEC ↗ | |
| Director | Sale | 9,000 | $969K | Jun 11 | SEC ↗ | |
Waddill William D.First filing | Director | Sale | 9,000 | $897K | Jun 1 | SEC ↗ |
| President and CEO | Sale | 75,000 | $7.5M | May 15 | SEC ↗ | |
Giraudo BryanFirst filing | Director | Sale | 48,000 | $4.8M | May 12 | SEC ↗ |
Giraudo BryanFirst filing | Director | Sale | 11,130 | $1.1M | May 12 | SEC ↗ |
Ali AsifFirst filing | Chief Financial Officer | Sale | 1,750 | $185K | Apr 21 | SEC ↗ |
Related companies
Protagonist Therapeutics, Inc is in the Healthcare sector.