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sellWeak10b5-1 plan

Shannon Morris sold $301k of ERAS

Chief Medical Officer at Erasca, Inc.. 20,000 shares at an average of $15.04, traded Mar 4, 2026, filed Mar 6, 2026.

Warning score
14
Value
$301k
20,000 shares
Holdings after
0
-100% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $301k at market
    +14
  • Share of holdings sold
    Sold 100% 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.

This signal so far: 1m +15.1%, 3m -22.6%, 6m +4.7%.

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.

ERASOct 13, 2026 · close 14.78
Since filing Mar 6, 2026: -4.5%SPY +16.6% · excess -21.1%

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 0001193125-26-095181, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 4, 2026MOption exercise
Common Stock10b5-1
+20,000$1.70$34k20,000Mar 6, 2026
Mar 4, 2026SOpen-market sale
Common Stock10b5-1
-20,000$15.04$301k0Mar 6, 2026
Mar 4, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-20,000$0.00$0515,800Mar 6, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
25Weak
ERASsell10b5-1
Erasca, Inc.
Ebun Garner
Chief Legal Officer
$1.3M
80,000 shares
-76%
20Weak
ERASsell10b5-1
Erasca, Inc.
Ebun Garner
General Counsel & Corp. Sec.
$671k
120,000 shares
-83%
34Weak
ERASbuy
Erasca, Inc.
Alexander W. Casdin
director
$182k
80,000 shares
+16%
58Moderate
ERASbuy 3
Erasca, Inc.
Valerie Denise Harding Start
director
$18k
10,000 shares
+100%
86Strong
ERASbuy 3
Erasca, Inc.
Jonathan E Lim
Chairman & CEO
$1.7M
1,000,000 shares
+8%
58Moderate
ERASbuy 3
Erasca, Inc.
Alexander W. Casdin
director
$50k
30,000 shares
+6%

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.

Shannon Morris sold $301k of ERAS | InsiderTell