Insider at

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Insider transactions

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0 buys (P) 1 sells (S) Net: $-113,433 + 25 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

25 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 19, 2026 KROS S 7,015 $16.17 $113,433 385,708 Direct -1.79% Disposed -28.8% (price as of 2026-10-05)
April 13, 2020 KROS P 20,000 $16.00 $320,000 243,856 Direct +8.93% Acquired -28.0% (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
April 2, 2026 KROS Employee Stock Option (Right to Buy) Common Stock (55,000) $0.30 March 25, 2028 55,000 Disposed
Feb. 24, 2026 KROS Employee Stock Option (Right to Buy) Common Stock (217,000) $15.52 Feb. 23, 2036 217,000 Acquired
Feb. 24, 2026 KROS Employee Stock Option (right to buy) Common Stock (100,000) $15.52 Feb. 23, 2036 100,000 Acquired
Jan. 7, 2026 KROS Employee Stock Option (right to buy) Common Stock (62,500) $63.61 Feb. 22, 2034 62,500 Acquired
April 4, 2025 KROS Employee Stock Option (right to buy) Common Stock (49,367) $0.30 March 25, 2028 49,367 Disposed
Feb. 23, 2024 KROS Employee Stock Option (right to buy) Common Stock (125,000) $63.61 Feb. 22, 2034 125,000 Acquired
Feb. 13, 2024 KROS Employee Stock Option (right to buy) Common Stock (125,000) $56.18 Feb. 12, 2034 125,000 Acquired
April 8, 2023 KROS Employee Stock Option (right to buy) Common Stock (4,000) $0.48 June 18, 2029 4,000 Disposed
Feb. 16, 2023 KROS Employee Stock Option (right to buy) Common Stock (200,000) $54.38 Feb. 15, 2033 200,000 Acquired
June 15, 2022 ELOX Stock Options (Right to Buy) Common Stock (20,000) $0.26 June 15, 2032 20,000 Acquired
June 9, 2022 KROS Employee Stock Option (right to buy) Common Stock (5,000) $0.30 March 25, 2028 5,000 Disposed
Jan. 21, 2022 KROS Employee Stock Option (right to buy) Common Stock (165,000) $46.30 Jan. 20, 2032 165,000 Acquired
May 19, 2021 ELOX Stock Option (Right to Buy) Common Stock (20,000) $1.48 May 19, 2031 20,000 Acquired
Jan. 10, 2021 KROS Employee Stock Option (right to buy) Common Stock (127,200) $70.93 Jan. 9, 2031 127,200 Acquired
May 20, 2020 ELOX Stock Option (Right to Buy) Common Stock (20,000) $3.39 May 20, 2030 20,000 Acquired
April 13, 2020 KROS Series C Preferred Stock Common Stock (11,169) · · 11,169 Disposed
April 7, 2020 KROS Employee Stock Option (right to buy) Common Stock (696,569) $16.00 April 6, 2030 696,569 Acquired
May 29, 2019 ELOX Stock Option (Right to Buy) Common Stock (20,000) $9.02 May 29, 2029 20,000 Acquired
June 15, 2018 ELOX Stock Option (Right to Buy) Common Stock (40,000) $23.27 June 15, 2028 40,000 Acquired

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

Initial ownership (Form 3) 5 holdings

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

DateTickerSecuritySharesOwnership
April 7, 2020 KROS Common Stock 212,687 Direct
April 7, 2020 KROS Series C Preferred Stock→ Common Stock (11,169) 11,169 Direct
April 7, 2020 KROS Employee Stock Option (right to buy)→ Common Stock (301,811) 301,811 Direct
April 7, 2020 KROS Employee Stock Option (right to buy)→ Common Stock (13,822) 13,822 Direct
April 7, 2020 KROS Employee Stock Option (right to buy)→ Common Stock (49,087) 49,087 Direct

Compensation (DEF 14A)

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

KROS

President & CEO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 $699,039 · · $5,104,488 $455,000 · $14,666 $6,273,192
2023 $649,135 $107,250 · $7,806,530 $357,500 · $11,661 $8,932,076
2022 $610,817 $60,500 · $5,475,349 $302,500 · $11,767 $6,460,934

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