Julius Knowles

CIK 1808365 · View on SEC EDGAR ↗

Insider

First SEC filing: April 7, 2020 · Latest: June 8, 2026

On this page

Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-28,166 + 3 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

3 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 4, 2026 KROS S 2,625 $10.73 $28,166 10,958 1.2% (price as of 2026-08-19)
Jan. 5, 2022 KROS S 10b5-1 667 $59.00 $39,353 341,574 Indirect -0.19% Disposed -81.6% (price as of 2026-08-19)
Jan. 5, 2022 KROS S 10b5-1 886 $58.20 $51,565 233,162 Indirect -0.38% Disposed -81.3% (price as of 2026-08-19)
Jan. 5, 2022 KROS S 10b5-1 435 $59.00 $25,665 232,727 Indirect -0.19% Disposed -81.6% (price as of 2026-08-19)
Jan. 5, 2022 KROS S 10b5-1 1,356 $58.20 $78,919 342,241 Indirect -0.39% Disposed -81.3% (price as of 2026-08-19)
Jan. 5, 2022 KROS S 10b5-1 271 $57.23 $15,509 234,048 Indirect -0.12% Disposed -81.0% (price as of 2026-08-19)
Jan. 5, 2022 KROS S 10b5-1 419 $57.23 $23,979 343,597 Indirect -0.12% Disposed -81.0% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 2,195 $58.86 $129,198 234,319 Indirect -0.93% Disposed -81.5% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 3,367 $58.86 $198,182 344,016 Indirect -0.97% Disposed -81.5% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 2,704 $57.99 $156,805 236,514 Indirect -1.13% Disposed -81.3% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 4,151 $57.99 $240,716 347,383 Indirect -1.18% Disposed -81.3% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 1,113 $56.95 $63,385 239,218 Indirect -0.46% Disposed -80.9% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 1,707 $56.95 $97,214 351,534 Indirect -0.48% Disposed -80.9% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 1,383 $56.10 $77,586 240,331 Indirect -0.57% Disposed -80.6% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 2,124 $56.10 $119,156 353,241 Indirect -0.60% Disposed -80.6% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 524 $54.95 $28,794 241,714 Indirect -0.22% Disposed -80.2% (price as of 2026-08-19)
Jan. 4, 2022 KROS S 10b5-1 794 $54.95 $43,630 355,365 Indirect -0.22% Disposed -80.2% (price as of 2026-08-19)
Jan. 3, 2022 KROS S 10b5-1 162 $59.40 $9,623 242,238 Indirect -0.07% Disposed -81.7% (price as of 2026-08-19)
Jan. 3, 2022 KROS S 10b5-1 249 $59.40 $14,791 356,159 Indirect -0.07% Disposed -81.7% (price as of 2026-08-19)
Jan. 3, 2022 KROS S 10b5-1 3,412 $58.96 $201,172 242,400 Indirect -1.39% Disposed -81.6% (price as of 2026-08-19)
Jan. 3, 2022 KROS S 10b5-1 5,236 $58.96 $308,715 356,408 Indirect -1.45% Disposed -81.6% (price as of 2026-08-19)
Jan. 3, 2022 KROS S 10b5-1 3,318 $57.83 $191,880 245,812 Indirect -1.33% Disposed -81.2% (price as of 2026-08-19)
Jan. 3, 2022 KROS S 10b5-1 5,094 $57.83 $294,586 361,644 Indirect -1.39% Disposed -81.2% (price as of 2026-08-19)
Jan. 3, 2022 KROS S 10b5-1 2,406 $56.82 $136,709 249,130 Indirect -0.96% Disposed -80.9% (price as of 2026-08-19)
Jan. 3, 2022 KROS S 10b5-1 3,678 $56.82 $208,984 366,738 Indirect -0.99% Disposed -80.9% (price as of 2026-08-19)
Dec. 2, 2021 KROS S 10b5-1 4,155 $53.17 $220,921 257,331 Indirect -1.59% Disposed -79.6% (price as of 2026-08-19)
Dec. 2, 2021 KROS S 10b5-1 90 $54.67 $4,920 251,536 Indirect -0.04% Disposed -80.1% (price as of 2026-08-19)
Dec. 2, 2021 KROS S 10b5-1 138 $54.67 $7,544 370,416 Indirect -0.04% Disposed -80.1% (price as of 2026-08-19)
Dec. 2, 2021 KROS S 10b5-1 5,705 $53.86 $307,271 251,626 Indirect -2.22% Disposed -79.8% (price as of 2026-08-19)
Dec. 2, 2021 KROS S 10b5-1 8,747 $53.86 $471,113 370,554 Indirect -2.31% Disposed -79.8% (price as of 2026-08-19)
Dec. 2, 2021 KROS S 10b5-1 6,372 $53.17 $338,799 379,301 Indirect -1.65% Disposed -79.6% (price as of 2026-08-19)
Dec. 2, 2021 KROS S 10b5-1 52 $52.00 $2,704 261,486 Indirect -0.02% Disposed -79.1% (price as of 2026-08-19)
Dec. 2, 2021 KROS S 10b5-1 79 $51.99 $4,107 385,673 Indirect -0.02% Disposed -79.1% (price as of 2026-08-19)
Dec. 1, 2021 KROS S 10b5-1 1,021 $56.27 $57,452 261,538 Indirect -0.39% Disposed -80.7% (price as of 2026-08-19)
Dec. 1, 2021 KROS S 10b5-1 1,566 $56.27 $88,119 385,752 Indirect -0.40% Disposed -80.7% (price as of 2026-08-19)
Dec. 1, 2021 KROS S 10b5-1 1,649 $55.71 $91,866 262,559 Indirect -0.62% Disposed -80.5% (price as of 2026-08-19)
Dec. 1, 2021 KROS S 10b5-1 2,528 $55.71 $140,835 387,318 Indirect -0.65% Disposed -80.5% (price as of 2026-08-19)
Dec. 1, 2021 KROS S 10b5-1 3,372 $54.67 $184,347 264,208 Indirect -1.26% Disposed -80.1% (price as of 2026-08-19)
Dec. 1, 2021 KROS S 10b5-1 5,168 $54.67 $282,535 389,846 Indirect -1.31% Disposed -80.1% (price as of 2026-08-19)
Dec. 1, 2021 KROS S 10b5-1 2,766 $53.48 $147,926 267,580 Indirect -1.02% Disposed -79.7% (price as of 2026-08-19)
Dec. 1, 2021 KROS S 10b5-1 4,243 $53.48 $226,916 395,014 Indirect -1.06% Disposed -79.7% (price as of 2026-08-19)
Nov. 3, 2021 KROS S 10b5-1 2,346 $42.45 $99,588 270,346 Indirect -0.86% Disposed -74.4% (price as of 2026-08-19)
Nov. 3, 2021 KROS S 10b5-1 3,597 $42.45 $152,693 399,257 Indirect -0.89% Disposed -74.4% (price as of 2026-08-19)
Nov. 3, 2021 KROS S 10b5-1 3,957 $41.65 $164,809 272,692 Indirect -1.43% Disposed -73.9% (price as of 2026-08-19)
Nov. 3, 2021 KROS S 10b5-1 6,067 $41.65 $252,691 402,854 Indirect -1.48% Disposed -73.9% (price as of 2026-08-19)
Nov. 2, 2021 KROS S 10b5-1 991 $43.04 $42,653 276,649 Indirect -0.36% Disposed -74.8% (price as of 2026-08-19)
Nov. 2, 2021 KROS S 10b5-1 1,518 $43.04 $65,335 408,921 Indirect -0.37% Disposed -74.8% (price as of 2026-08-19)
Nov. 2, 2021 KROS S 10b5-1 2,120 $42.10 $89,252 277,640 Indirect -0.76% Disposed -74.2% (price as of 2026-08-19)
Nov. 2, 2021 KROS S 10b5-1 3,252 $42.10 $136,909 410,439 Indirect -0.79% Disposed -74.2% (price as of 2026-08-19)
Nov. 1, 2021 KROS S 10b5-1 4,797 $42.43 $203,537 279,760 Indirect -1.69% Disposed -74.4% (price as of 2026-08-19)
Nov. 1, 2021 KROS S 10b5-1 7,350 $42.43 $311,860 413,691 Indirect -1.75% Disposed -74.4% (price as of 2026-08-19)
Nov. 1, 2021 KROS S 10b5-1 4,599 $41.85 $192,468 284,557 Indirect -1.59% Disposed -74.1% (price as of 2026-08-19)
Nov. 1, 2021 KROS S 10b5-1 7,057 $41.85 $295,335 421,041 Indirect -1.65% Disposed -74.1% (price as of 2026-08-19)
Oct. 20, 2021 KROS S 10b5-1 1,463 $38.31 $56,048 289,156 Indirect -0.50% Disposed -71.7% (price as of 2026-08-19)
Oct. 20, 2021 KROS S 10b5-1 2,242 $38.31 $85,891 428,098 Indirect -0.52% Disposed -71.7% (price as of 2026-08-19)
Oct. 20, 2021 KROS S 10b5-1 148 $37.55 $5,557 290,619 Indirect -0.05% Disposed -71.1% (price as of 2026-08-19)
Oct. 20, 2021 KROS S 10b5-1 229 $37.55 $8,599 430,340 Indirect -0.05% Disposed -71.1% (price as of 2026-08-19)
Oct. 19, 2021 KROS S 10b5-1 460 $38.49 $17,705 290,767 Indirect -0.16% Disposed -71.8% (price as of 2026-08-19)
Oct. 19, 2021 KROS S 10b5-1 704 $38.49 $27,097 430,569 Indirect -0.16% Disposed -71.8% (price as of 2026-08-19)
Oct. 19, 2021 KROS S 10b5-1 1,323 $38.05 $50,340 291,227 Indirect -0.45% Disposed -71.5% (price as of 2026-08-19)
Oct. 19, 2021 KROS S 10b5-1 2,029 $38.05 $77,203 431,273 Indirect -0.47% Disposed -71.5% (price as of 2026-08-19)
Oct. 18, 2021 KROS S 10b5-1 60 $38.46 $2,308 292,550 Indirect -0.02% Disposed -71.8% (price as of 2026-08-19)
Oct. 18, 2021 KROS S 10b5-1 92 $38.46 $3,538 433,302 Indirect -0.02% Disposed -71.8% (price as of 2026-08-19)
Oct. 18, 2021 KROS S 10b5-1 5,382 $37.69 $202,848 292,610 Indirect -1.81% Disposed -71.2% (price as of 2026-08-19)
Oct. 18, 2021 KROS S 10b5-1 8,252 $37.69 $311,018 433,394 Indirect -1.87% Disposed -71.2% (price as of 2026-08-19)
Oct. 15, 2021 KROS S 10b5-1 60 $40.60 $2,436 297,992 Indirect -0.02% Disposed -73.3% (price as of 2026-08-19)
Oct. 15, 2021 KROS S 10b5-1 92 $40.60 $3,735 441,646 Indirect -0.02% Disposed -73.3% (price as of 2026-08-19)
Oct. 15, 2021 KROS S 10b5-1 1,199 $39.44 $47,289 298,052 Indirect -0.40% Disposed -72.5% (price as of 2026-08-19)
Oct. 15, 2021 KROS S 10b5-1 1,839 $39.44 $72,530 441,738 Indirect -0.41% Disposed -72.5% (price as of 2026-08-19)
Oct. 15, 2021 KROS S 10b5-1 1,977 $38.95 $77,004 299,251 Indirect -0.66% Disposed -72.1% (price as of 2026-08-19)
Oct. 15, 2021 KROS S 10b5-1 3,031 $38.95 $118,057 443,577 Indirect -0.68% Disposed -72.1% (price as of 2026-08-19)
Oct. 14, 2021 KROS S 10b5-1 1,730 $40.13 $69,425 301,228 Indirect -0.57% Disposed -72.9% (price as of 2026-08-19)
Oct. 14, 2021 KROS S 10b5-1 2,653 $40.13 $106,465 446,608 Indirect -0.59% Disposed -72.9% (price as of 2026-08-19)
Oct. 5, 2021 KROS S 10b5-1 1,033 $40.03 $41,351 302,958 Indirect -0.34% Disposed -72.9% (price as of 2026-08-19)
Oct. 5, 2021 KROS S 10b5-1 1,584 $40.03 $63,408 449,261 Indirect -0.35% Disposed -72.9% (price as of 2026-08-19)
Oct. 4, 2021 KROS S 10b5-1 1,479 $40.06 $59,249 303,991 Indirect -0.48% Disposed -72.9% (price as of 2026-08-19)
Oct. 4, 2021 KROS S 10b5-1 2,267 $40.06 $90,816 450,845 Indirect -0.50% Disposed -72.9% (price as of 2026-08-19)
Oct. 1, 2021 KROS S 10b5-1 2,496 $40.16 $100,239 305,470 Indirect -0.81% Disposed -73.0% (price as of 2026-08-19)
Oct. 1, 2021 KROS S 10b5-1 3,827 $40.16 $153,692 453,112 Indirect -0.84% Disposed -73.0% (price as of 2026-08-19)
Sept. 27, 2021 KROS S 10b5-1 6,532 $42.29 $276,238 307,966 Indirect -2.08% Disposed -74.3% (price as of 2026-08-19)
Sept. 27, 2021 KROS S 10b5-1 10,018 $42.29 $423,661 456,939 Indirect -2.15% Disposed -74.3% (price as of 2026-08-19)
Sept. 27, 2021 KROS S 10b5-1 13,233 $41.52 $549,434 314,498 Indirect -4.04% Disposed -73.8% (price as of 2026-08-19)
Sept. 27, 2021 KROS S 10b5-1 20,292 $41.52 $842,524 466,957 Indirect -4.16% Disposed -73.8% (price as of 2026-08-19)
Sept. 27, 2021 KROS S 10b5-1 17,854 $40.51 $723,266 327,731 Indirect -5.17% Disposed -73.2% (price as of 2026-08-19)
Sept. 27, 2021 KROS S 10b5-1 27,373 $40.51 $1,108,880 487,249 Indirect -5.32% Disposed -73.2% (price as of 2026-08-19)
July 2, 2021 KROS S 10b5-1 3,776 $41.72 $157,535 345,585 Indirect -1.08% Disposed -74.0% (price as of 2026-08-19)
July 2, 2021 KROS S 10b5-1 5,789 $41.72 $241,517 514,622 Indirect -1.11% Disposed -74.0% (price as of 2026-08-19)
July 2, 2021 KROS S 10b5-1 5,626 $41.08 $231,116 349,361 Indirect -1.58% Disposed -73.6% (price as of 2026-08-19)
July 2, 2021 KROS S 10b5-1 8,627 $41.08 $354,397 520,411 Indirect -1.63% Disposed -73.6% (price as of 2026-08-19)
July 1, 2021 KROS S 10b5-1 30 $42.75 $1,282 354,987 Indirect -0.01% Disposed -74.6% (price as of 2026-08-19)
July 1, 2021 KROS S 10b5-1 46 $42.75 $1,966 529,038 Indirect -0.01% Disposed -74.6% (price as of 2026-08-19)
July 1, 2021 KROS S 10b5-1 728 $41.89 $30,496 355,017 Indirect -0.20% Disposed -74.1% (price as of 2026-08-19)
July 1, 2021 KROS S 10b5-1 1,112 $41.89 $46,582 529,084 Indirect -0.21% Disposed -74.1% (price as of 2026-08-19)
July 1, 2021 KROS S 10b5-1 8,650 $41.22 $356,553 355,745 Indirect -2.37% Disposed -73.7% (price as of 2026-08-19)
July 1, 2021 KROS S 10b5-1 13,268 $41.22 $546,907 530,196 Indirect -2.44% Disposed -73.7% (price as of 2026-08-19)
June 4, 2021 KROS S 10b5-1 2,988 $47.23 $141,123 552,227 Indirect -0.54% Disposed -77.0% (price as of 2026-08-19)
April 13, 2020 KROS P 1,191 $20.98 $24,987 1,191 Direct Acquired -48.2% (price as of 2026-08-19)

Showing latest 100 of 274 transactions

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
June 6, 2023 KROS Stock Option (right to buy) Common Stock (10,000) $48.79 June 5, 2033 10,000 Acquired
June 1, 2022 KROS Stock Options (right to buy) Common Stock (8,293) $32.95 May 31, 2032 8,293 Acquired
June 1, 2021 KROS Stock Option (right to buy) Common Stock (8,293) $51.48 May 31, 2031 8,293 Acquired
April 13, 2020 KROS Series B-1 Preferred Stock Common Stock (205,962) 205,962 Disposed
April 13, 2020 KROS Series B-1 Preferred Stock Common Stock (137,308) 137,308 Disposed
April 13, 2020 KROS Series C Preferred Stock Common Stock (67,015) 67,015 Disposed
April 13, 2020 KROS Series C Preferred Stock Common Stock (44,676) 44,676 Disposed
April 13, 2020 KROS Series A Preferred Stock Common Stock (184,305) 184,305 Disposed
April 13, 2020 KROS Series A Preferred Stock Common Stock (276,459) 276,459 Disposed

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

Initial ownership (Form 3) 8 holdings

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

Date Ticker Security Shares Ownership
April 7, 2020 KROS Common Stock 138,229 Indirect
April 7, 2020 KROS Common Stock 92,153 Indirect
April 7, 2020 KROS Series A Preferred Stock→ Common Stock (276,459) 276,459 Indirect
April 7, 2020 KROS Series A Preferred Stock→ Common Stock (184,305) 184,305 Indirect
April 7, 2020 KROS Series B-1 Preferred Stock→ Common Stock (205,962) 205,962 Indirect
April 7, 2020 KROS Series B-1 Preferred Stock→ Common Stock (137,308) 137,308 Indirect
April 7, 2020 KROS Series C Preferred Stock→ Common Stock (67,015) 67,015 Indirect
April 7, 2020 KROS Series C Preferred Stock→ Common Stock (44,676) 44,676 Indirect