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buyModerate cluster of 2

Orbimed Advisors LLC bought $12M of PRLD

director, owner at Prelude Therapeutics Inc. 2,815,315 shares at an average of $4.44, traded Apr 21, 2026, filed Apr 23, 2026.

Conviction score
53
Value
$12M
2,815,315 shares
Holdings after
1,126,126
+28% from before
From 52-week low
+505%
low $0.76, close $4.62
From 52-week high
-16%
high $5.52, as of Apr 21, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $12.5M at market
    +25
  • Relative to holdings
    Holdings up 28%
    +6
  • Price context
    16% below the 52-week high
    +4
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Median 6-month excess return -26% over 4 past buys
    -5

What happened after comparable buys

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 -3.0%, 3m -10.7%, 6m -.

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.

PRLDOct 12, 2026 · close 3.74
Since filing Apr 23, 2026: -15.0%SPY +10.4% · excess -25.4%

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 0000947871-26-000461, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 21, 2026POpen-market purchase
Common Stockindirect: See footnotes
+1,689,189$4.44$7.5M11,808,945Apr 23, 2026
Apr 21, 2026POpen-market purchase
Common Stockindirect: See footnotes
+1,126,126$4.44$5.0M1,126,126Apr 23, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
58Moderate
PRLDbuy 2
Prelude Therapeutics Inc
David P Bonita
director, owner
$12M
2,815,315 shares
+28%
29Weak
PRLDbuy
Prelude Therapeutics Inc
Andrew Combs
Chief Chemistry Officer
$69k
100,000 shares
+26%
45Moderate
PRLDbuy 3
Prelude Therapeutics Inc
Andrew Combs
Chief Chemistry Officer
$86k
63,075 shares
+20%
47Moderate
PRLDbuy 3
Prelude Therapeutics Inc
Bryant David Lim
CLO, Interim CFO, Corp Sec.
$23k
25,000 shares
+1042%
53Moderate
PRLDbuy 3
Prelude Therapeutics Inc
Krishna Vaddi
CEO
$99k
106,888 shares
+10%

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.

Orbimed Advisors LLC bought $12M of PRLD | InsiderTell