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Weston Nichols, 10% owner at Korro Bio, bought KRRO on Aug 6, 2026

Data as of Oct 16

▲ BUY$59.5K5,222 shares at $11.40Weston Nichols 10% ownerKRRO Korro Bio, Inc.
Watch KRRO
Traded
Aug 6, 2026
Disclosed
Aug 13, 2026
Filed
7 days after the trade · late

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Weston Nichols, 10% owner at Korro Bio, bought KRRO on Aug 6, 2026TRADEDDISCLOSED
KRROSimilar stocks (S&P 500 (SPY)), rebased to KRRO's price on the disclosure day
KRRO since disclosure
−36.1%
Similar stocks (SPY) since disclosure
−1.9%
S&P 500 (SPY)

Change in closing price from Aug 13, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▲ BUYLynx1 Capital Management LP 10% ownerKRRO Korro Bio, Inc.$19.3Kdisclosed Aug 13 · filed 3 days after the trade
  2. ▲ BUYWeston Nichols 10% ownerKRRO Korro Bio, Inc.$19.3Kdisclosed Aug 13 · filed 3 days after the trade
  3. ▲ BUYLynx1 Capital Management LP 10% ownerKRRO Korro Bio, Inc.$59.5Kdisclosed Aug 13 · filed 7 days after the trade · late

See every trade on KRRO →