PTGX

PTGX · Protagonist Therapeutics Inc. Common Stock

View on chart

AI Market Commentary

AI-generatedAll commentary →

Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 5, 2026

PTGX featured in recent SeekingAlpha and Benzinga articles. A SeekingAlpha column noted Johnson & Johnson’s strong catalysts while keeping a hold stance, a view that may influence sentiment toward biotech peers such as Protagonist Therapeutics. Separately, Benzinga published a piece examining how a $100 investment in PTGX ten years ago would have grown, highlighting the stock’s historical performance. These mentions reflect ongoing analyst and investor interest in the company.

this person other insiders at PTGX

Insiders & Stakes

Dinesh V. Ph D. Patel
President and CEO
522,968
Shares held
Gupta Suneel
Chief Development Officer
267,433
Shares held
Liu David Y
Chief Scientific Officer
167,590
Shares held
Arturo Molina, MD
Chief Medical Officer
84,115
Shares held
Harold E. Selick
Director
60,845
Shares held
Asif Ali
Chief Financial Officer
59,003
Shares held
Kalkofen Donald A.
Chief Financial Officer
18,521
Shares held
Bryan Giraudo
Director
12,695
Shares held
William D. Waddill
Director
7,825
Shares held
Lewis T. Williams
Director
7,825
Shares held
Sarah A. O'Dowd
Director
7,825
Shares held

Transaction History

Dinesh V. Ph D. Patel▲ Buy$157K
Dinesh V. Ph D. Patel▼ Sell$1.0M
Dinesh V. Ph D. Patel▲ Buy$1.4M
Dinesh V. Ph D. Patel▼ Sell$9.3M
Dinesh V. Ph D. Patel▲ Buy$1.2M
Dinesh V. Ph D. Patel▼ Sell$7.9M
Dinesh V. Ph D. Patel▼ Sell$0
Dinesh V. Ph D. Patel▲ Buy$739K
Dinesh V. Ph D. Patel▼ Sell$5.1M
Dinesh V. Ph D. Patel▲ Buy$1.4M
Dinesh V. Ph D. Patel▼ Sell$9.8M
William D. Waddill▲ Buy$149K
William D. Waddill▼ Sell$1.1M
William D. Waddill▲ Buy$35K
William D. Waddill▲ Buy$99K
William D. Waddill▼ Sell$969K
William D. Waddill▲ Buy$106K
William D. Waddill▼ Sell$897K
Dinesh V. Ph D. Patel▲ Buy$1.6M
Dinesh V. Ph D. Patel▼ Sell$7.5M
Bryan Giraudo▼ Sell$600K
Bryan Giraudo▼ Sell$513K
Bryan Giraudo▲ Buy$155K
Bryan Giraudo▲ Buy$84K
Bryan Giraudo▼ Sell$3.6M
Bryan Giraudo▼ Sell$1.2M
Dinesh V. Ph D. Patel▼ Sell$0
Asif Ali▼ Sell$185K
Arturo Molina, MD▼ Sell$1.6M
Harold E. Selick▲ Buy$309K
Harold E. Selick▼ Sell$2.5M
Asif Ali▲ Buy$64K
Arturo Molina, MD▲ Buy$121K
Asif Ali▼ Sell$2.6M
Asif Ali▲ Buy$374K
Dinesh V. Ph D. Patel▲ Buy$469K
Dinesh V. Ph D. Patel▼ Sell$5.5M
Dinesh V. Ph D. Patel▲ Buy$506
Dinesh V. Ph D. Patel▼ Sell$6K
Dinesh V. Ph D. Patel▼ Sell$0
Lewis T. Williams▼ Sell$1.5M
Lewis T. Williams▲ Buy$195K
William D. Waddill▲ Buy$166K
William D. Waddill▼ Sell$1.7M
Dinesh V. Ph D. Patel▲ Buy$88K
Dinesh V. Ph D. Patel▼ Sell$338K
Asif Ali▲ Buy$307K
Asif Ali▲ Buy$146K
Asif Ali▼ Sell$2.3M
Asif Ali▼ Sell$1.5M
Arturo Molina, MD▲ Buy$40K
Arturo Molina, MD▼ Sell$410K
Dinesh V. Ph D. Patel▲ Buy$45K
Dinesh V. Ph D. Patel▼ Sell$898K
Dinesh V. Ph D. Patel▲ Buy$307K
Dinesh V. Ph D. Patel▼ Sell$1.2M
Arturo Molina, MD▲ Buy$40K
Arturo Molina, MD▼ Sell$411K
Dinesh V. Ph D. Patel▼ Sell$0
Dinesh V. Ph D. Patel▲ Buy$81K
Dinesh V. Ph D. Patel▼ Sell$1.6M
Arturo Molina, MD▼ Sell$1.1M
Arturo Molina, MD▼ Sell$785K
Dinesh V. Ph D. Patel▼ Sell$2.8M
Asif Ali▼ Sell$708K
Harold E. Selick▲ Buy$60K
Harold E. Selick▲ Buy$0
William D. Waddill▲ Buy$0
Bryan Giraudo▲ Buy$0
Lewis T. Williams▲ Buy$0
Sarah A. O'Dowd▲ Buy$0
Arturo Molina, MD▲ Buy$0
Dinesh V. Ph D. Patel▲ Buy$0
Asif Ali▲ Buy$0
Dinesh V. Ph D. Patel▼ Sell$0
Arturo Molina, MD▼ Sell$230K
William D. Waddill▲ Buy$84K
William D. Waddill▼ Sell$277K
William D. Waddill▼ Sell$702K
William D. Waddill▼ Sell$257K
Dinesh V. Ph D. Patel▼ Sell$0
William D. Waddill▼ Sell$237K
Dinesh V. Ph D. Patel▼ Sell$571K
Dinesh V. Ph D. Patel▼ Sell$960K
Dinesh V. Ph D. Patel▼ Sell$1.2M
Dinesh V. Ph D. Patel▲ Buy$0
Dinesh V. Ph D. Patel▼ Sell$705K
Dinesh V. Ph D. Patel▼ Sell$0
Dinesh V. Ph D. Patel▼ Sell$0
Dinesh V. Ph D. Patel▼ Sell$0
Arturo Molina, MD▲ Buy$80K
Arturo Molina, MD▼ Sell$570K
Arturo Molina, MD▼ Sell$555K
Arturo Molina, MD▲ Buy$80K
Harold E. Selick▲ Buy$12K
Asif Ali▼ Sell$81K
William D. Waddill▼ Sell$217K
Arturo Molina, MD▲ Buy$666K
Arturo Molina, MD▲ Buy$81K
Arturo Molina, MD▼ Sell$1.7M
Asif Ali▲ Buy$185K
Asif Ali▲ Buy$186K
Asif Ali▼ Sell$1.5M
Dinesh V. Ph D. Patel▲ Buy$101K
Dinesh V. Ph D. Patel▼ Sell$205K
Arturo Molina, MD▼ Sell$0
Arturo Molina, MD▼ Sell$0
Asif Ali▼ Sell$0
Asif Ali▼ Sell$0
Dinesh V. Ph D. Patel▼ Sell$0
William D. Waddill▲ Buy$0
Sarah A. O'Dowd▲ Buy$0
Lewis T. Williams▲ Buy$0
Harold E. Selick▲ Buy$0
Dinesh V. Ph D. Patel▲ Buy$0
Bryan Giraudo▲ Buy$0
Arturo Molina, MD▲ Buy$0
Asif Ali▲ Buy$0
Arturo Molina, MD▲ Buy$80K
Arturo Molina, MD▼ Sell$445K
Arturo Molina, MD▲ Buy$129K
Arturo Molina, MD▼ Sell$717K
Gupta Suneel▲ Buy$365K
Gupta Suneel▼ Sell$873K
Gupta Suneel▲ Buy$5K
Dinesh V. Ph D. Patel▼ Sell$993K
Arturo Molina, MD▲ Buy$44K
Arturo Molina, MD▼ Sell$252K
Gupta Suneel▼ Sell$4.8M
Gupta Suneel▲ Buy$332K
Gupta Suneel▲ Buy$361K
Gupta Suneel▲ Buy$663K
Dinesh V. Ph D. Patel▼ Sell$3.7M
Dinesh V. Ph D. Patel▼ Sell$0
Dinesh V. Ph D. Patel▲ Buy$37K
Dinesh V. Ph D. Patel▼ Sell$0
Arturo Molina, MD▼ Sell$78K
Asif Ali▼ Sell$98K
Asif Ali▲ Buy$115K
Asif Ali▲ Buy$73K
Asif Ali▼ Sell$534K
William D. Waddill▲ Buy$103K
William D. Waddill▼ Sell$360K
William D. Waddill▲ Buy$103K
William D. Waddill▼ Sell$320K
Dinesh V. Ph D. Patel▼ Sell$0
William D. Waddill▲ Buy$103K
William D. Waddill▼ Sell$280K
Dinesh V. Ph D. Patel▼ Sell$1.2M
Asif Ali▼ Sell$31K
Dinesh V. Ph D. Patel▼ Sell$708K
Harold E. Selick▲ Buy$12K
Dinesh V. Ph D. Patel▼ Sell$949K
William D. Waddill▲ Buy$79K
William D. Waddill▼ Sell$407K
Asif Ali▲ Buy$146K
Asif Ali▼ Sell$387K
Asif Ali▼ Sell$73K
Asif Ali▼ Sell$240K
Asif Ali▼ Sell$65K
Dinesh V. Ph D. Patel▼ Sell$322K
Gupta Suneel▼ Sell$126K
Dinesh V. Ph D. Patel▼ Sell$105K
Arturo Molina, MD▼ Sell$11K
Asif Ali▼ Sell$36K
Gupta Suneel▲ Buy$37K
Gupta Suneel▼ Sell$125K
Arturo Molina, MD▲ Buy$0
Asif Ali▲ Buy$0
Gupta Suneel▲ Buy$0
Dinesh V. Ph D. Patel▲ Buy$0
Dinesh V. Ph D. Patel▼ Sell$1.5M
Arturo Molina, MD▼ Sell$30K
Gupta Suneel▲ Buy$148K
Dinesh V. Ph D. Patel▲ Buy$25K
Gupta Suneel▲ Buy$0
Gupta Suneel▼ Sell$108K
Dinesh V. Ph D. Patel▲ Buy$0
Dinesh V. Ph D. Patel▼ Sell$317K
Asif Ali▲ Buy$0
Asif Ali▼ Sell$108K
Asif Ali▼ Sell$28K
Harold E. Selick▲ Buy$5K
Dinesh V. Ph D. Patel▼ Sell$0
Gupta Suneel▲ Buy$0
Asif Ali▲ Buy$0
Arturo Molina, MD▲ Buy$0
Dinesh V. Ph D. Patel▼ Sell$0
Liu David Y▲ Buy$12K
Liu David Y▲ Buy$18K
Liu David Y▲ Buy$11K
Liu David Y▲ Buy$41K
Liu David Y▲ Buy$149K
Arturo Molina, MD▲ Buy$0
Dinesh V. Ph D. Patel▲ Buy$84K
Dinesh V. Ph D. Patel▼ Sell$0
Dinesh V. Ph D. Patel▲ Buy$66K
William D. Waddill▲ Buy$103K
Gupta Suneel▲ Buy$295K
Dinesh V. Ph D. Patel▲ Buy$126K

We use analytics to understand how market-wall is used. No personal data is sold.