Skip to content
buyWeak

Rachel E. Haurwitz bought $20k of CRBU

President and CEO at Caribou Biosciences, Inc.. 20,000 shares at an average of $1.02, traded Mar 14, 2025, filed Mar 17, 2025.

Conviction score
20
Value
$20k
20,000 shares
Holdings after
3,369,395
+1% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $20k at market
    0
  • Relative to holdings
    Under 1% of holdings (0.6%)
    -5
  • Price context
    No price history yet
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

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 -28.1%, 3m +9.8%, 6m +79.4%.

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.

CRBUOct 12, 2026 · close 0.50
Since filing Mar 17, 2025: -51.3%SPY +39.9% · excess -91.1%

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 0001670579-25-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 14, 2025POpen-market purchase
Common Stockindirect: By Trust
+20,000$1.02$20k3,369,395Mar 17, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
30Weak
CRBUsell 4
Caribou Biosciences, Inc.
Timothy P Kelly
Chief Technology Officer
$12k
6,228 shares
-8%
10Weak
CRBUsell 410b5-1
Caribou Biosciences, Inc.
Tina M. Albertson
Chief Medical Officer
$2,089
1,066 shares
-2%
10Weak
CRBUsell 410b5-1
Caribou Biosciences, Inc.
Barbara G McClung
Chief Legal Officer
$14k
6,938 shares
-1%
30Weak
CRBUsell 4
Caribou Biosciences, Inc.
Timothy P Kelly
Chief Technology Officer
$6,168
3,147 shares
-4%
10Weak
CRBUsell 410b5-1
Caribou Biosciences, Inc.
Ruhi Ahmad Khan
Chief Business Officer
$14k
6,938 shares
-6%
10Weak
CRBUsell 310b5-1
Caribou Biosciences, Inc.
Barbara G McClung
Chief Legal Officer
$4,811
3,564 shares
-1%
10Weak
CRBUsell 310b5-1
Caribou Biosciences, Inc.
Steven Kanner
Chief Scientific Officer
$4,811
3,564 shares
-1%
10Weak
CRBUsell 310b5-1
Caribou Biosciences, Inc.
Ruhi Ahmad Khan
Chief Business Officer
$4,811
3,564 shares
-5%
30Weak
CRBUbuy
Caribou Biosciences, Inc.
Sriram Ryali
Chief Financial Officer
$25k
17,360 shares
-

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.

Rachel E. Haurwitz bought $20k of CRBU | InsiderTell