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sellWeak10b5-1 plan

William D. Waddill sold $979k of PTGX

director at Protagonist Therapeutics, Inc. 12,000 shares at an average of $81.62, traded Oct 10, 2025, filed Oct 14, 2025.

Warning score
25
Value
$979k
12,000 shares
Holdings after
5,130
-70% from before
From 52-week low
+148%
low $35.09, close $87.00
From 52-week high
0%
high $87.00, as of Oct 10, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $979k at market
    +25
  • Share of holdings sold
    Sold 70% of holdings
    +20
  • Cluster
    No other insider selling within 14 days
    0
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

PTGXOct 9, 2026 · close 143.73
Since filing Oct 14, 2025: +86.8%SPY +18.8% · excess +68.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001104659-25-099252, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 10, 2025MOption exercise
Common Stock10b5-1
+12,000$6.98$84k17,130Oct 14, 2025
Oct 10, 2025SOpen-market sale
Common Stock10b5-1
-4,000$69.25$277k13,130Oct 14, 2025
Oct 10, 2025SOpen-market sale
Common Stock10b5-1
-8,000$87.81$702k5,130Oct 14, 2025
Oct 10, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-12,000$0.00$00Oct 14, 2025

Related signals

Other insiders at Protagonist Therapeutics, Inc and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
22Weak
PTGXsell10b5-1
Protagonist Therapeutics, Inc
Asif Ali
Chief Financial Officer
$8.3M
58,629 shares
-50%
20Weak
PTGXsell10b5-1
Protagonist Therapeutics, Inc
Dinesh Ph D Patel V
President and CEO
$18M
125,000 shares
-22%
57Moderate
PTGXsell 3
Protagonist Therapeutics, Inc
Asif Ali
Chief Financial Officer
$2.6M
24,765 shares
-29%
45Moderate
PTGXsell 3
Protagonist Therapeutics, Inc
Arturo Molina Md
Chief Medical Officer
$1.6M
15,000 shares
-15%
55Moderate
PTGXsell 3
Protagonist Therapeutics, Inc
Dinesh Ph D Patel V
President and CEO
$5.5M
54,700 shares
-10%
57Moderate
PTGXsell 3
Protagonist Therapeutics, Inc
Asif Ali
Chief Financial Officer
$3.8M
46,203 shares
-43%
45Moderate
PTGXsell 3
Protagonist Therapeutics, Inc
Arturo Molina Md
Chief Medical Officer
$1.9M
23,151 shares
-24%
50Moderate
PTGXsell 3
Protagonist Therapeutics, Inc
Dinesh Ph D Patel V
President and CEO
$4.1M
48,273 shares
-8%
58Moderate
PTGXsell 3
Protagonist Therapeutics, Inc
Asif Ali
Chief Financial Officer
$708k
8,588 shares
-10%
52Moderate
PTGXsell 3
Protagonist Therapeutics, Inc
Arturo Molina Md
Chief Medical Officer
$785k
9,514 shares
-9%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

William D. Waddill sold $979k of PTGX | InsiderTell