| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KRYS | Common Stock | Tax liability | -$833K | -4.72K | -0.31% | $176.39 | 1.53M | Feb 26, 2025 | Direct | F1, F2 |
| transaction | KRYS | Common Stock | Options Exercise | $0 | +12.5K | +0.82% | $0.00 | 1.55M | Feb 28, 2025 | Direct | F3 |
| transaction | KRYS | Common Stock | Tax liability | -$1.04M | -5.79K | -0.37% | $179.25 | 1.54M | Feb 28, 2025 | Direct | F4, F5 |
| transaction | KRYS | Common Stock | Options Exercise | $0 | +8.75K | +0.57% | $0.00 | 1.55M | Feb 28, 2025 | Direct | F6 |
| transaction | KRYS | Common Stock | Tax liability | -$726K | -4.05K | -0.26% | $179.25 | 1.54M | Feb 28, 2025 | Direct | F5, F7 |
| transaction | KRYS | Common Stock | Options Exercise | $0 | +26.3K | +1.7% | $0.00 | 1.57M | Feb 28, 2025 | Direct | F8 |
| transaction | KRYS | Common Stock | Tax liability | -$2.18M | -12.1K | -0.77% | $179.25 | 1.56M | Feb 28, 2025 | Direct | F5, F9 |
| transaction | KRYS | Common Stock | Options Exercise | $0 | +7.5K | +0.51% | $0.00 | 1.48M | Feb 28, 2025 | By Spouse | F10, F11, F12 |
| transaction | KRYS | Common Stock | Tax liability | -$622K | -3.47K | -0.23% | $179.25 | 1.48M | Feb 28, 2025 | By Spouse | F5, F11, F12, F13 |
| transaction | KRYS | Common Stock | Options Exercise | $0 | +22.5K | +1.52% | $0.00 | 1.5M | Feb 28, 2025 | By Spouse | F11, F12, F14 |
| transaction | KRYS | Common Stock | Tax liability | -$1.87M | -10.4K | -0.69% | $179.25 | 1.49M | Feb 28, 2025 | By Spouse | F5, F11, F12, F15 |
| transaction | KRYS | Common Stock | Tax liability | -$580K | -3.29K | -0.22% | $176.39 | 1.49M | Feb 26, 2025 | By Spouse | F2, F11, F12, F16 |
| holding | KRYS | Common Stock | 90K | Feb 26, 2025 | By Krishnan Spousal Trust | ||||||
| holding | KRYS | Common Stock | 50K | Feb 26, 2025 | By Krishnan Family Trust | F17 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KRYS | Performance Stock Units | Options Exercise | $0 | -12.5K | -100% | $0.00 | 0 | Feb 28, 2025 | Common Stock | 12.5K | Direct | F3 | |
| transaction | KRYS | Restricted Stock Units | Options Exercise | $0 | -8.75K | -25% | $0.00 | 26.3K | Feb 28, 2025 | Common Stock | 8.75K | Direct | F6 | |
| transaction | KRYS | Performance Stock Units | Options Exercise | $0 | -26.3K | -50% | $0.00 | 26.3K | Feb 28, 2025 | Common Stock | 26.3K | Direct | F8 | |
| transaction | KRYS | Stock Option (Right to Buy) | Award | $0 | +39.3K | $0.00 | 39.3K | Feb 28, 2025 | Common Stock | 39.3K | $179.25 | Direct | F18 | |
| transaction | KRYS | Restricted Stock Units | Award | $0 | +22.9K | $0.00 | 22.9K | Feb 28, 2025 | Common Stock | 22.9K | Direct | F19, F20, F21 |
| Id | Content |
|---|---|
| F1 | Represents the number of shares of common stock surrendered to the Company for tax withholding upon the vesting of 10,200 shares of restricted stock on February 26, 2025. 40,800 Restricted Stock Awards ("RSAs") were granted on February 26, 2021, to the Reporting Person. Each RSA represented a contingent right to receive one share of the Company's common stock, subject to the Reporting Person's continued service to the Company on each applicable vesting date. The RSAs vested in four equal annual installments beginning on February 26, 2022. |
| F2 | The closing price on February 26, 2025 of the Company's common stock on the Nasdaq Global Select Market. |
| F3 | 25,000 performance stock units ("PSUs") were granted on February 28, 2023. Each PSU represented a contingent right to receive one share of the Company's common stock, subject to the achievement of certain performance criteria during the year ended December 31, 2023, as approved by the Company's Compensation Committee, and the Reporting Person's continued service to the Company on each applicable vesting date following such achievement. The PSUs vest ratably over a two-year period. All of the performance criteria were achieved and one-half of the PSUs granted, or 12,500 PSUs, vested on February 28, 2024, and the other 12,500 PSUs vested on February 28, 2025. |
| F4 | Represents the number of shares of common stock surrendered to the Company for tax withholding upon the vesting of 12,500 PSUs on February 28, 2025. |
| F5 | The closing price on February 28, 2025 of the Company's common stock on the Nasdaq Global Select Market. |
| F6 | 35,000 restricted stock units ("RSUs") were granted on February 29, 2024. Each RSU represented a contingent right to receive one share of the Company's common stock, subject to the Reporting Person's continued service to the Company on each applicable vesting date. The RSUs vest ratably over a four-year period with the first installment, or 8,750 RSUs, vesting on February 28, 2025. |
| F7 | Represents the number of shares of common stock surrendered to the Company for tax withholding upon the vesting of 8,750 RSUs on February 28, 2025. |
| F8 | 52,500 performance stock units ("PSUs") were granted on February 29, 2024. Each PSU represented a contingent right to receive one share of the Company's common stock, subject to the achievement of certain performance criteria during the year ended December 31, 2024, as approved by the Company's Compensation Committee, and the Reporting Person's continued service to the Company on each applicable vesting date following such achievement. The PSUs vest ratably over a two-year period. All of the performance criteria were achieved and one-half of the PSUs granted, or 26,250 PSUs, vested on February 28, 2025. |
| F9 | Represents the number of shares of common stock surrendered to the Company for tax withholding upon the vesting of 26,250 PSUs on February 28, 2025. |
| F10 | 15,000 PSUs were granted on February 28, 2023, to the Reporting Person's spouse, Suma M. Krishnan. Each PSU represented a contingent right to receive one share of the Company's common stock, subject to the achievement of certain performance criteria during the year ended December 31, 2023, as approved by the Company's Compensation Committee, and the Reporting Person's spouse continued service to the Company on each applicable vesting date following such achievement. All of the performance criteria were achieved and one-half of the PSUs granted, or 7,500 PSUs, vested on February 28, 2024, and the other 7,500 PSUs vested on February 28, 2025. |
| F11 | These same shares are also being reported on a Form 4 by the Reporting Person's spouse, Suma M. Krishnan. |
| F12 | Directly beneficially owned by Suma M. Krishnan, the spouse of the Reporting Person. |
| F13 | Represents number of shares of common stock surrendered to the Company for tax withholding by the Reporting Person's spouse, Suma M. Krishnan, upon the vesting of 7,500 PSUs on February 28, 2025. |
| F14 | 45,000 PSUs were granted on February 29, 2024, to the Reporting Person's spouse, Suma M. Krishnan. Each PSU represented a contingent right to receive one share of the Company's common stock, subject to the achievement of certain performance criteria during the year ended December 31, 2024, as approved by the Company's Compensation Committee, and the Reporting Person's spouse continued service to the Company on each applicable vesting date following such achievement. All of the performance criteria were achieved and one-half of the PSUs granted, or 22,500 PSUs, vested on February 28, 2025. |
| F15 | Represents number of shares of common stock surrendered to the Company for tax withholding by the Reporting Person's spouse, Suma M. Krishnan, upon the vesting of 22,500 PSUs on February 28, 2025. |
| F16 | Represents number of shares of common stock surrendered to the Company for tax withholding by the Reporting Person's spouse, Suma M. Krishnan, upon the vesting of 7,100 shares of restricted stock on February 26, 2025. 28,400 RSAs were granted on February 26, 2021, to the Reporting Person's spouse, Suma M. Krishnan. Each RSA represented a contingent right to receive one share of the Company's common stock, subject to the Reporting Person's spouse continued service to the Company on each applicable vesting date. The RSAs vested in four equal annual installments beginning on February 26, 2022. |
| F17 | Directly beneficially owned by the Krishnan Family Trust. The Reporting Person and his spouse are each joint beneficial owners of the trust with joint voting and investment control. |
| F18 | The option vests in four equal annual installments beginning on February 28, 2026. |
| F19 | Each RSU represents a contingent right to receive one share of the Company's common stock, subject to the Reporting Person's continued service to the Company on each applicable vesting date. |
| F20 | The number of RSUs in this column represents the number of shares of common stock the Reporting Person will receive assuming the Reporting Person's continued service to the Company on all applicable vesting dates. |
| F21 | The RSUs vest in four equal annual installments with the first installment vesting on February 28, 2026. |