Krystal Biotech Inc (KRYS)
Insider transactions
A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.
Transaction date | Executive | Executive Title | Security Type | Acquisition / Disposal | Shares | Share price |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | MASON, CHRISTOPHER | Director | Restricted Stock Units | Acquisition | 471 | 0 |
| Sep 14, 2026 | ROSSI, DINO A | Director | Stock Option (Right to Buy) | Acquisition | 1,187 | 0 |
| Sep 14, 2026 | GANGOLLI, JULIAN S | Director | Restricted Stock Units | Acquisition | 471 | 0 |
| Sep 14, 2026 | MASON, CHRISTOPHER | Director | Stock Option (Right to Buy) | Acquisition | 1,187 | 0 |
| Sep 14, 2026 | SUTHERLAND, EVERETT RAND | Director | Restricted Stock Units | Acquisition | 471 | 0 |
| Sep 14, 2026 | MAZZACCO, CATHERINE | Director | Restricted Stock Units | Acquisition | 471 | 0 |
| Sep 14, 2026 | GANGOLLI, JULIAN S | Director | Stock Option (Right to Buy) | Acquisition | 1,187 | 0 |
| Sep 14, 2026 | SUTHERLAND, EVERETT RAND | Director | Stock Option (Right to Buy) | Acquisition | 1,187 | 0 |
| Sep 14, 2026 | JANNEY, DANIEL | Director | Stock Option (Right to Buy) | Acquisition | 1,187 | 0 |
| Sep 14, 2026 | JANNEY, DANIEL | Director | Restricted Stock Award | Acquisition | 471 | 0 |
| Sep 14, 2026 | ROSSI, DINO A | Director | Restricted Stock Units | Acquisition | 471 | 0 |
| Sep 14, 2026 | MAZZACCO, CATHERINE | Director | Stock Option (Right to Buy) | Acquisition | 1,187 | 0 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 847 | 365.416 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 573 | 363.342 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,010 | 362.65 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,029 | 355.572 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 1,358 | 364.479 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 1,214 | 361.609 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 520 | 354.54 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 405 | 366.557 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,266 | 360.463 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 3,392 | 359.386 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 3,180 | 358.42 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,992 | 362.653 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,320 | 360.466 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,006 | 355.572 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 3,962 | 357.574 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 399 | 366.556 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 826 | 365.414 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 565 | 363.34 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 520 | 354.54 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,242 | 361.61 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,329 | 364.477 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 3,981 | 357.574 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 3,297 | 356.369 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 3,357 | 359.386 |
| Sep 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 3,143 | 358.418 |
| Sep 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 3,267 | 356.368 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 3,095 | 331.433 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 3,691 | 0 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 2,287 | 326.603 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 5,226 | 327.394 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 40 | 333.23 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 341 | 325.599 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 1,687 | 328.515 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 7,428 | 329.602 |
| Aug 14, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 4,896 | 330.356 |
| Jun 25, 2026 | THOMAS, JOHN CHARLES | EVP, General Counsel | Stock Option (Right to Buy) | Disposal | 1,000 | 0 |
| Jun 25, 2026 | THOMAS, JOHN CHARLES | EVP, General Counsel | Common Stock | Acquisition | 1,000 | 179.25 |
| Jun 25, 2026 | THOMAS, JOHN CHARLES | EVP, General Counsel | Common Stock | Disposal | 1,000 | 347.27 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 400 | 304.894 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 247 | 303.17 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 240 | 311.65 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 320 | 300.75 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 480 | 305.865 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 593 | 302.251 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,348 | 307.095 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,039 | 310.937 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 3,803 | 308.89 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,652 | 310.429 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,784 | 309.49 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 544 | 304.81 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 589 | 306.332 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 320 | 300.75 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 964 | 311.358 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 640 | 302.237 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 176 | 303.169 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 40 | 312.23 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,801 | 309.945 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 11,461 | 307.678 |
| Jun 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 12,729 | 307.807 |
| Jun 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 4,830 | 308.468 |
| May 26, 2026 | THOMAS, JOHN CHARLES | EVP, General Counsel | Common Stock | Disposal | 642 | 302.03 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 8,798 | 264.85 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 589 | 258.54 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 668 | 259.61 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,938 | 262.348 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,700 | 266.422 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,248 | 263.583 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 6,000 | 265.163 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 4,852 | 264.637 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 407 | 257.319 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,439 | 265.59 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 483 | 257.313 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 470 | 258.38 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,931 | 261.412 |
| Mar 4, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 3,667 | 260.366 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 3,128 | 260.487 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,962 | 261.408 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 920 | 266.555 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,380 | 262.445 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,043 | 263.701 |
| Mar 4, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 1,377 | 259.868 |
| Mar 2, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 750 | 267.6 |
| Feb 27, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 9,430 | 275.449 |
| Feb 27, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Restricted Stock Units | Disposal | 550 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Acquisition | 22,500 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Acquisition | 8,750 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Performance Stock Units | Disposal | 26,250 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Acquisition | 5,725 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Restricted Stock Units | Disposal | 4,000 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Acquisition | 8,750 | 0 |
| Feb 27, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 240 | 275.64 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Acquisition | 5,725 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Restricted Stock Units | Acquisition | 18,140 | 0 |
| Feb 27, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 3,262 | 275.64 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Acquisition | 22,500 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Stock Option (Right to Buy) | Acquisition | 45,249 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Performance Stock Units | Acquisition | 43,536 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 1,820 | 275.64 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 11,942 | 275.64 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Acquisition | 4,000 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,605 | 275.64 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 3,981 | 275.64 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Acquisition | 26,250 | 0 |
| Feb 27, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Stock Option (Right to Buy) | Acquisition | 13,575 | 0 |
| Feb 27, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Restricted Stock Units | Acquisition | 5,442 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 11,942 | 275.64 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 10,236 | 275.64 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Restricted Stock Units | Disposal | 8,750 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,605 | 275.64 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 3,981 | 275.64 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Stock Option (Right to Buy) | Acquisition | 18,100 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 10,236 | 275.64 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Acquisition | 26,250 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Performance Stock Units | Disposal | 22,500 | 0 |
| Feb 27, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 2,373 | 276.167 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Restricted Stock Units | Acquisition | 7,256 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Acquisition | 4,000 | 0 |
| Feb 27, 2026 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Restricted Stock Units | Disposal | 5,725 | 0 |
| Feb 27, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Acquisition | 550 | 0 |
| Feb 27, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Performance Stock Units | Disposal | 7,500 | 0 |
| Feb 27, 2026 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,820 | 275.64 |
| Feb 27, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Acquisition | 7,500 | 0 |
| Feb 26, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 2,638 | 276.315 |
| Feb 26, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 5,103 | 275.281 |
| Feb 25, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 700 | 275 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Stock Option (Right to Buy) | Disposal | 37,895 | 0 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 1,674 | 268.666 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 1,604 | 265.536 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 4,339 | 266.623 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 6,671 | 268.038 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 3,557 | 265.077 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 3,963 | 268.969 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 2,425 | 274.898 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 8,986 | 266.179 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Acquisition | 37,895 | 2.46 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 569 | 262.907 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 373 | 271.094 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 370 | 269.828 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 62 | 263.051 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 11,673 | 266.967 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 930 | 269.501 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 900 | 264.596 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 1,891 | 267.37 |
| Feb 24, 2026 | JANNEY, DANIEL | Director | Common Stock | Disposal | 1,733 | 264.125 |
| Feb 19, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 10,834 | 262.1 |
| Feb 19, 2026 | ROSSI, DINO A | Director | Common Stock | Acquisition | 18,950 | 8.79 |
| Feb 19, 2026 | ROSSI, DINO A | Director | Common Stock | Disposal | 8,116 | 260.486 |
| Feb 19, 2026 | ROSSI, DINO A | Director | Stock Option (Right to Buy) | Disposal | 18,950 | 0 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 400 | 275.68 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 750 | 0 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 552 | 274.639 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 928 | 273.708 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 2,824 | 272.508 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 2,000 | 270.558 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 5,700 | 271.663 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Disposal | 96 | 277.88 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Stock Option (Right to Buy) | Disposal | 12,500 | 0 |
| Feb 9, 2026 | ROMANO, KATHRYN | Chief Accounting Officer | Common Stock | Acquisition | 12,500 | 63.55 |
| Dec 5, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 5,000 | 0 |
| Dec 5, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 5,000 | 0 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 3,593 | 218.827 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,577 | 218.719 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,627 | 220.518 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 2,625 | 220.341 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 5,693 | 219.533 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 1,600 | 217.045 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 1,400 | 216.967 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 956 | 214.28 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 344 | 215.481 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 700 | 222.199 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 700 | 222.199 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 600 | 215.493 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 200 | 222.375 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,627 | 220.518 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,577 | 218.719 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 2,625 | 220.341 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 3,593 | 218.827 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 5,693 | 219.553 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 10,461 | 221.821 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 10,505 | 221.777 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 5,419 | 219.676 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 344 | 215.481 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 200 | 222.375 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 600 | 215.493 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 956 | 214.28 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 700 | 214.25 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 700 | 222.199 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,600 | 217.045 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 1,400 | 216.967 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 5,419 | 219.676 |
| Dec 4, 2025 | KRISHNAN, SUMA | Director, President, R&D, 10% Owner | Common Stock | Disposal | 10,505 | 221.777 |
| Dec 4, 2025 | KRISHNAN, KRISH S | Director, President and CEO, 10% Owner | Common Stock | Disposal | 10,461 | 221.821 |