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PTGX
NASDAQ Life Sciences

CEO Files Intent to Sell Over $5 Million in Company Stock

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Biotech Stocks · Healthcare
Sentiment info
Negative
Importance info
7
Price
$100.39
Mkt Cap
$6.406B
52W Low
$39.6
52W High
$105.69
52W Position info
154% above low
Off High info
5.0% below high
Rel. Volume info
1.2× avg
Market data snapshot near publication time

PTGX has more than doubled off its 52-week low of $39.6.

Summary

Protagonist Therapeutics' CEO filed a Form 144 to sell $5.39 million in stock, continuing a pattern of insider sales.


Key Events · Ownership and Investor Activity · PTGX

  • CEO Files Intent to Sell Shares

    Dinesh Patel, CEO of Protagonist Therapeutics, filed a Form 144 to sell 54,700 shares of common stock.

  • Significant Proposed Transaction Value

    The proposed sale is valued at approximately $5.39 million.

  • Follows Recent Insider Sales

    This intent to sell follows previous sales by the CEO totaling $4.06 million in the past three months, contributing to a net insider distribution of nearly $13 million over 90 days.

  • Part of Ongoing Insider Distribution

    This filing is part of an ongoing pattern of insider sales, with 10 similar filings from various insiders in the last 90 days.


Analysis · PTGX · Life Sciences

Protagonist Therapeutics' CEO, Dinesh Patel, has filed a Form 144 indicating an intent to sell 54,700 shares of common stock, valued at approximately $5.39 million. This proposed sale follows previous sales by the CEO totaling over $4 million in the past three months, contributing to a broader pattern of insider distribution. While the percentage of market cap is small, the absolute dollar value and the CEO's role make this a notable event, signaling a continued reduction in executive holdings.

How filings like this one have moved

In the 30 days to Sep 15, 2026, 29.9% of the 1678 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.25%. These are measured outcomes after filings of this importance, not a forecast for this one.

Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset

At the time of this filing, PTGX was trading at $100.39 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $6.4B. The 52-week trading range was $39.60 to $105.69. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.

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PTGX - Latest Insights

PTGX
Aug 28, 2026, 5:37 PM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $147.21
Real-time Price: $143.40 info
Change: -$3.81 (-3%) info
Market Cap: $9.279B info
PTGX
Jun 18, 2026, 4:30 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $112.86
Real-time Price: $143.40 info
Change: +$30.54 (+27%) info
Market Cap: $9.279B info
PTGX
May 12, 2026, 7:28 PM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $99.95
Real-time Price: $143.40 info
Change: +$43.45 (+43%) info
Market Cap: $9.279B info
PTGX
May 11, 2026, 8:25 PM EDT
Filing Type: 4
Importance Score:
8
Price at Filing: $103.50
Real-time Price: $143.40 info
Change: +$39.90 (+39%) info
Market Cap: $9.279B info
PTGX
May 05, 2026, 4:28 PM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $99.21
Real-time Price: $143.40 info
Change: +$44.19 (+45%) info
Market Cap: $9.279B info