Lumida
/PTGX
⌘K
Protagonist Therapeutics Inc

Protagonist Therapeutics Inc

PTGX
$140.91USD+6.73%+8.89 today

MARKET CAP

9.1B

P/E (TTM)

FWD P/E

75.6x

DAY RANGE

$131 – $141

52W RANGE

$50
$141

AI Summary

Stalk
StalkMedium

PTGX remains in a Stage 2 advancing uptrend confirmed by a recent Momentum Breakout, but the stock is extended and extremely overbought. A speculative approach favors waiting for a shallow pullback into the rising 9/21 EMA support zone before engaging. Stalk for a clearer entry on structural support while monitoring for distribution risk.

  • Institutional ownership ~98.6%, reflecting high hedge fund backing.
  • Q1 revenue $56.4 M, above estimates, and collaboration revenue rising.
  • Net loss $114.7 M and negative profitability factors persist.
Full analysis →
Insider Trades49 trades
DateSideTickerInsiderRoleSharesPriceMkt Cap52W High52W LowValue% ChgRuleAI View
May 12, 2026SellPTGXDinesh V Ph D PatelPresident and CEO150,000$60.85$9.1B-0.13%+179.11%$9.1M+0.00%Stalk
May 12, 2026SellPTGXDinesh V Ph D PatelPresident and CEO150,000$60.85$9.1B-0.13%+179.11%$9.1M+0.00%10b5-1Stalk
Apr 23, 2026SellPTGXDinesh V Ph D PatelPresident and CEO1,460$102.62$9.1B-0.13%+179.11%$149.8K-0.28%Stalk
Apr 20, 2026SellPTGXAsif AliChief Financial Officer1,750$105.47$9.1B-0.13%+179.11%$184.6K-2.88%Stalk
Mar 26, 2026SellPTGXArturo Md MolinaChief Medical Officer30,000$56.41$9.1B-0.13%+179.11%$1.7M+0.00%Stalk
Mar 26, 2026SellPTGXAsif AliChief Financial Officer49,530$60.97$9.1B-0.13%+179.11%$3.0M+0.00%Stalk
Mar 23, 2026SellPTGXDinesh V Ph D PatelPresident and CEO159,400$37.60$9.1B-0.13%+179.11%$6.0M-1.80%Stalk
Jan 27, 2026SellPTGXAsif AliChief Financial Officer74,203$57.87$9.1B-0.13%+179.11%$4.3M-4.26%Stalk
Jan 23, 2026SellPTGXArturo Md MolinaChief Medical Officer33,151$59.90$9.1B-0.13%+179.11%$2.0M-2.26%Stalk
Jan 23, 2026SellPTGXDinesh V Ph D PatelPresident and CEO102,546$44.71$9.1B-0.13%+179.11%$4.6M-0.10%Stalk
Jan 20, 2026SellPTGXAsif AliChief Financial Officer8,588$82.48$9.1B-0.13%+179.11%$708.3K-9.91%Stalk
Jan 20, 2026SellPTGXArturo Md MolinaChief Medical Officer9,514$82.48$9.1B-0.13%+179.11%$784.7K-8.91%Stalk
Jan 20, 2026SellPTGXDinesh V Ph D PatelPresident and CEO34,438$82.48$9.1B-0.13%+179.11%$2.8M-5.60%Stalk
Nov 21, 2025SellPTGXDinesh V Ph D PatelPresident and CEO440$85.40$9.1B-0.13%+179.11%$37.6K-0.08%Stalk
Nov 17, 2025SellPTGXArturo Md MolinaChief Medical Officer2,712$84.77$9.1B-0.13%+179.11%$229.9K-3.23%Stalk
Sep 16, 2025SellPTGXDinesh V Ph D PatelPresident and CEO620$58.59$9.1B-0.13%+179.11%$36.3K-0.12%Stalk
Jul 25, 2025SellPTGXDinesh V Ph D PatelPresident and CEO10,415$54.78$9.1B-0.13%+179.11%$570.5K-1.96%Stalk
Jul 21, 2025SellPTGXDinesh V Ph D PatelPresident and CEO52,444$54.92$9.1B-0.13%+179.11%$2.9M-3.08%Stalk
Jul 16, 2025SellPTGXDinesh V Ph D PatelPresident and CEO5,000$56.64$9.1B-0.13%+179.11%$283.2K-0.89%Stalk
Jun 13, 2025SellPTGXDinesh V Ph D PatelPresident and CEO1,355$56.37$9.1B-0.13%+179.11%$76.4K-0.12%Stalk
Jun 9, 2025SellPTGXArturo Md MolinaChief Medical Officer40,000$32.16$9.1B-0.13%+179.11%$1.3M+0.00%Stalk
Apr 22, 2025SellPTGXAsif AliChief Financial Officer1,756$46.00$9.1B-0.13%+179.11%$80.8K-2.80%Stalk
Mar 13, 2025SellPTGXArturo Md MolinaChief Medical Officer61,028$40.11$9.1B-0.13%+179.11%$2.4M+0.00%Stalk
Mar 12, 2025SellPTGXAsif AliChief Financial Officer49,806$36.82$9.1B-0.13%+179.11%$1.8M+0.00%Stalk
Mar 5, 2025BuyPTGXDinesh V Ph D PatelPresident and CEO24,000$4.21$9.1B-0.13%+179.11%$101.0K+4.21%Stalk
Feb 19, 2025SellPTGXDinesh V Ph D PatelPresident and CEO5,359$38.18$9.1B-0.13%+179.11%$204.6K-0.98%Stalk
Jan 15, 2025SellPTGXDinesh V Ph D PatelPresident and CEO12,636$37.94$9.1B-0.13%+179.11%$479.4K-2.26%Stalk
Nov 26, 2024SellPTGXArturo Md MolinaChief Medical Officer63,058$26.45$9.1B-0.13%+179.11%$1.7M+0.00%Stalk
Nov 25, 2024SellPTGXDinesh V Ph D PatelPresident and CEO108,727$43.39$9.1B-0.13%+179.11%$4.7M-4.95%Stalk
Nov 25, 2024BuyPTGXSuneel GuptaChief Development Officer328,078$22.44$9.1B-0.13%+179.11%$7.4M+4.05%Stalk
Nov 19, 2024SellPTGXDinesh V Ph D PatelPresident and CEO1,000$38.65$9.1B-0.13%+179.11%$38.6K-0.19%Stalk
Nov 15, 2024SellPTGXArturo Md MolinaChief Medical Officer1,906$40.98$9.1B-0.13%+179.11%$78.1K-3.94%Stalk
Sep 11, 2024SellPTGXAsif AliChief Financial Officer26,203$31.30$9.1B-0.13%+179.11%$820.0K-0.78%Stalk
Jun 13, 2024SellPTGXDinesh V Ph D PatelPresident and CEO1,000$34.35$9.1B-0.13%+179.11%$34.4K-0.19%Stalk
Jun 7, 2024SellPTGXDinesh V Ph D PatelPresident and CEO35,000$35.19$9.1B-0.13%+179.11%$1.2M-6.36%10b5-1Stalk
Apr 18, 2024SellPTGXAsif AliChief Financial Officer1,234$25.11$9.1B-0.13%+179.11%$31.0K-3.21%Stalk
Apr 1, 2024SellPTGXDinesh V Ph D PatelPresident and CEO25,000$28.31$9.1B-0.13%+179.11%$707.8K-4.35%10b5-1Stalk
Mar 1, 2024SellPTGXDinesh V Ph D PatelPresident and CEO30,000$31.62$9.1B-0.13%+179.11%$948.6K-4.96%10b5-1Stalk
Feb 29, 2024SellPTGXAsif AliChief Financial Officer36,187$25.16$9.1B-0.13%+179.11%$910.4K-4.37%Stalk
Feb 26, 2024SellPTGXSuneel GuptaChief Development Officer4,282$29.53$9.1B-0.13%+179.11%$126.4K-2.28%Stalk
Feb 26, 2024SellPTGXDinesh V Ph D PatelPresident and CEO10,915$29.53$9.1B-0.13%+179.11%$322.3K-1.77%Stalk
Feb 15, 2024SellPTGXDinesh V Ph D PatelPresident and CEO3,717$28.23$9.1B-0.13%+179.11%$104.9K-0.60%Stalk
Jan 16, 2024SellPTGXArturo Md MolinaChief Medical Officer427$24.63$9.1B-0.13%+179.11%$10.5K-0.88%Stalk
Jan 16, 2024SellPTGXAsif AliChief Financial Officer1,452$24.63$9.1B-0.13%+179.11%$35.8K-2.79%Stalk
Jan 9, 2024SellPTGXSuneel GuptaChief Development Officer10,000$16.19$9.1B-0.13%+179.11%$161.9K+0.00%10b5-1Stalk
Dec 13, 2023SellPTGXDinesh V Ph D PatelPresident and CEO75,000$20.08$9.1B-0.13%+179.11%$1.5M-12.31%10b5-1Stalk
Nov 15, 2023SellPTGXArturo Md MolinaChief Medical Officer1,848$16.24$9.1B-0.13%+179.11%$30.0K-1.52%Stalk
Oct 19, 2023BuyPTGXSuneel GuptaChief Development Officer20,000$7.38$9.1B-0.13%+179.11%$147.6K+10.08%Stalk
Oct 18, 2023BuyPTGXDinesh V Ph D PatelPresident and CEO6,000$4.21$9.1B-0.13%+179.11%$25.3K+0.91%Stalk