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sellModerate cluster of 4

Paul Andrew Moore sold $505k of ZYME

Chief Scientific Officer at Zymeworks Inc.. 20,110 shares at an average of $25.10, traded Jan 5, 2026, filed Jan 5, 2026.

Warning score
43
Value
$505k
20,110 shares
Holdings after
40,391
-50% from before
From 52-week low
+170%
low $9.44, close $25.48
From 52-week high
-8%
high $27.62, as of Jan 5, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $505k at market
    +18
  • Share of holdings sold
    Sold 50% of holdings
    +10
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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.

ZYMEOct 9, 2026 · close 25.79
Since filing Jan 5, 2026: +1.2%SPY +14.1% · excess -12.9%

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 0001193125-26-003095, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 5, 2026MOption exercise
Common Stock
+17,168$0.00$040,501Jan 5, 2026
Jan 5, 2026SOpen-market sale
Common Stock
-9,289$25.10$233k31,212Jan 5, 2026
Jan 5, 2026MOption exercise
Common Stock
+20,000$0.00$051,212Jan 5, 2026
Jan 5, 2026SOpen-market sale
Common Stock
-10,821$25.10$272k40,391Jan 5, 2026
Jan 5, 2026MOption exercise
Restricted Stock Unitderivative
-17,168$0.00$00Jan 5, 2026
Jan 5, 2026MOption exercise
Restricted Stock Unitderivative
-20,000$0.00$020,000Jan 5, 2026

Related signals

Other insiders at Zymeworks Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
25Weak
ZYMEsell
Zymeworks Inc.
Adam Schayowitz
EVP, Head of R&D
$358k
13,832 shares
-37%
31Weak
ZYMEsell 4
Zymeworks Inc.
Mark Hollywood
EVP & Chief Operating Officer
$139k
6,120 shares
-4%
51Moderate
ZYMEsell 4
Zymeworks Inc.
Kenneth Galbraith
Chair & CEO
$690k
30,424 shares
-12%
32Weak
ZYMEsell 4
Zymeworks Inc.
Paul Andrew Moore
Chief Scientific Officer
$217k
9,560 shares
-16%
37Weak
ZYMEsell 4
Zymeworks Inc.
Jeffrey T L Smith
EVP & Chief Medical Officer
$211k
9,310 shares
-26%
60Notable
ZYMEsell 4
Zymeworks Inc.
Kenneth Galbraith
Chair & CEO
$1.4M
54,343 shares
-30%
38Weak
ZYMEsell 4
Zymeworks Inc.
Jeffrey T L Smith
EVP & Chief Medical Officer
$264k
10,538 shares
-36%
60Notable
ZYMEsell 3
Zymeworks Inc.
Kenneth Galbraith
Chair & CEO
$1.3M
47,528 shares
-26%
43Moderate
ZYMEbuy
Zymeworks Inc.
EcoR1 Capital, LLC
director, owner
$636k
55,421 shares
+0%
48Moderate
ZYMEbuy
Zymeworks Inc.
EcoR1 Capital, LLC
director, owner
$1.5M
128,713 shares
+1%

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.

Paul Andrew Moore sold $505k of ZYME | InsiderTell