Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 6, 2020 CCCC P 5,030 $19.00 $95,570 5,030 Direct · Acquired -84.3% (price as of 2026-10-05)
Oct. 7, 2019 KRRO P 17,857 $14.00 $249,998 17,857 Direct · Acquired -98.6% (price as of 2026-10-05)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 22, 2022 CCCC Stock Option (Right to Buy) Common Stock (23,500) $6.06 June 21, 2032 23,500 Acquired
June 21, 2022 KRRO Stock Option Common Stock (14,846) $1.17 June 20, 2032 14,846 Acquired
June 17, 2021 KRRO Stock Option Common Stock (14,846) $10.14 June 16, 2031 14,846 Acquired
June 15, 2021 CCCC Stock Option (Right to Buy) Common Stock (23,500) $37.66 June 14, 2031 23,500 Acquired
Feb. 18, 2021 CCCC Stock Option (Right to Buy) Common Stock (536) $2.11 July 12, 2026 536 Disposed
Oct. 6, 2020 CCCC Series B Preferred Stock Common Stock (2,484,425) · · 20,952,403 Disposed
Oct. 6, 2020 CCCC Series A Preferred Stock Common Stock (1,482,183) · · 12,500,000 Disposed
Oct. 6, 2020 CCCC Series Seed Preferred Stock Common Stock (237,149) · · 2,000,000 Disposed
Oct. 1, 2020 CCCC Stock Option (Right to Buy) Common Stock (17,786) $19.00 Sept. 30, 2030 17,786 Acquired
Oct. 1, 2020 CCCC Stock Option (Right to Buy) Common Stock (725,002) $19.00 Sept. 30, 2030 725,002 Acquired
June 11, 2020 KRRO Stock Option Common Stock (14,846) $18.63 June 10, 2030 14,846 Acquired
Jan. 30, 2020 KRRO Stock Option Common Stock (20,778) $3.37 April 16, 2029 20,778 Disposed
Jan. 30, 2020 KRRO Stock Option Common Stock (20,778) $3.37 April 16, 2029 20,778 Disposed
Jan. 30, 2020 KRRO Stock Option Common Stock (21,827) $3.37 April 16, 2029 21,827 Disposed
Jan. 30, 2020 KRRO Stock Option Common Stock (16,691) $0.61 May 21, 2028 16,691 Disposed
Jan. 30, 2020 KRRO Stock Option Common Stock (8,042) $0.61 June 28, 2027 8,042 Disposed
Dec. 3, 2019 KRRO Stock Option Common Stock (20,778) $3.37 April 16, 2029 20,778 Acquired
Oct. 7, 2019 KRRO Series C Preferred Stock Common Stock (24,258) · · 163,388 Disposed
Oct. 7, 2019 KRRO Series B Preferred Stock Common Stock (80,650) · · 543,219 Disposed
Oct. 7, 2019 KRRO Series A Preferred Stock Common Stock (340,321) · · 2,292,235 Disposed

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

Initial ownership (Form 3) 13 holdings

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

DateTickerSecuritySharesOwnership
Oct. 1, 2020 CCCC Common Stock 132,875 Indirect
Oct. 1, 2020 CCCC Series Seed Preferred Stock→ Common Stock (237,149) 237,149 Indirect
Oct. 1, 2020 CCCC Series A Preferred Stock→ Common Stock (1,482,183) 1,482,183 Indirect
Oct. 1, 2020 CCCC Series B Preferred Stock→ Common Stock (2,484,425) 2,484,425 Indirect
Oct. 1, 2020 CCCC Stock Option (Right to Buy)→ Common Stock (3,745) 3,745 Direct
Oct. 2, 2019 KRRO Common Stock 72,475 Indirect
Oct. 2, 2019 KRRO Series A Preferred Stock→ Common Stock (340,321) 340,321 Indirect
Oct. 2, 2019 KRRO Series B Preferred Stock→ Common Stock (80,650) 80,650 Indirect
Oct. 2, 2019 KRRO Series C Preferred Stock→ Common Stock (24,258) 24,258 Indirect
Oct. 2, 2019 KRRO Stock Option→ Common Stock (20,105) 20,105 Direct
Oct. 2, 2019 KRRO Stock Option→ Common Stock (66,763) 66,763 Direct
Oct. 2, 2019 KRRO Stock Option→ Common Stock (54,745) 54,745 Direct
Oct. 2, 2019 KRRO Stock Option→ Common Stock (20,778) 20,778 Direct