Oliver Dolan

CIK 2053835 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 11, 2025 · Latest: June 17, 2026

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-36,638 + 4 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

4 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 16, 2026 KRRO S 3,383 $10.83 $36,638 18,099 Direct -15.75% Disposed 24.7% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Feb. 2, 2026 KRRO Stock Option (Right to Buy) Common Stock (15,000) $13.05 Feb. 1, 2036 15,000 Acquired
April 1, 2025 KRRO Stock Option (Right to Buy) Common Stock (20,000) $15.95 March 26, 2035 20,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Feb. 11, 2025 KRRO Stock Option (Right to Buy)→ Common Stock (15,000) 15,000 Direct
Feb. 11, 2025 KRRO Stock Option (Right to Buy)→ Common Stock (6,000) 6,000 Direct