Insider at

04

Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 8 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

8 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
April 6, 2022 KROS S 10b5-1 1,728 $65.00 $112,320 0 Direct -100.00% Disposed -82.5% (price as of 2026-10-02)
April 1, 2022 KROS S 10b5-1 105 $58.83 $6,177 0 Direct -100.00% Disposed -80.7% (price as of 2026-10-02)
April 1, 2022 KROS S 10b5-1 366 $57.97 $21,217 105 Direct -77.71% Disposed -80.4% (price as of 2026-10-02)
April 1, 2022 KROS S 10b5-1 287 $56.89 $16,327 471 Direct -37.86% Disposed -80.0% (price as of 2026-10-02)
April 1, 2022 KROS S 10b5-1 104 $56.20 $5,845 758 Direct -12.06% Disposed -79.8% (price as of 2026-10-02)
April 1, 2022 KROS S 10b5-1 2 $54.34 $109 862 Direct -0.23% Disposed -79.1% (price as of 2026-10-02)

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
Feb. 13, 2024 KROS Employee Stock Option (right to buy) Common Stock (150,000) $56.18 Feb. 12, 2034 150,000 Acquired
Feb. 16, 2023 KROS Employee Stock Option (right to buy) Common Stock (100,000) $54.38 Feb. 15, 2033 100,000 Acquired
April 6, 2022 KROS Employee Stock Option (right to buy) Common Stock (1,728) $16.00 April 7, 2030 1,728 Disposed
April 1, 2022 KROS Employee Stock Option (right to buy) Common Stock (864) $16.00 April 7, 2030 864 Disposed
Feb. 1, 2022 KROS Employee Stock Option (right to buy) Common Stock (100,000) $49.34 Jan. 31, 2032 100,000 Acquired

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
Feb. 3, 2022 KROS Employee Stock Option (right to buy)→ Common Stock (2,304) 2,304 Direct
Feb. 3, 2022 KROS Employee Stock Option (right to buy)→ Common Stock (10,594) 10,594 Direct
Feb. 3, 2022 KROS Employee Stock Option (right to buy)→ Common Stock (20,000) 20,000 Direct

Compensation (DEF 14A)

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Matched by name from proxy statements (DEF 14A) — verify against the filing.

KROS

COO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 $539,231 · · $6,125,385 $297,000 · $13,800 $6,975,416
2023 $500,000 · · $3,903,265 $275,000 · $9,900 $4,688,165
2022 $435,352 · · $3,538,605 $235,000 · $38,397 $4,247,354

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.