Krish S Krishnan
CIK 1298709 · View on SEC EDGAR ↗
Insider
First SEC filing: June 5, 2026 · Latest: June 5, 2026
On this page
Insider at
Insider transactions
0 buys (P)
37 sells (S)
Net:
$-25,289,683
+ 33 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
33 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 4, 2026 | KRYS | S 10b5-1 | 40 | $312.23 | $12,489 | 1,450,253 Direct | 0.00% | Disposed | 8.2% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 964 | $311.36 | $300,151 | 1,450,293 Direct | -0.07% | Disposed | 8.5% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 2,652 | $310.43 | $823,260 | 1,451,257 Direct | -0.18% | Disposed | 8.8% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 2,784 | $309.49 | $861,620 | 1,453,909 Direct | -0.19% | Disposed | 9.2% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 4,830 | $308.47 | $1,489,910 | 1,456,693 Direct | -0.33% | Disposed | 9.5% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 11,461 | $307.68 | $3,526,320 | 1,461,523 Direct | -0.78% | Disposed | 9.8% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 589 | $306.33 | $180,428 | 1,472,984 Direct | -0.04% | Disposed | 10.3% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 544 | $304.81 | $165,817 | 1,473,573 Direct | -0.04% | Disposed | 10.8% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 176 | $303.17 | $53,358 | 1,474,117 Direct | -0.01% | Disposed | 11.4% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S 10b5-1 | 640 | $302.24 | $193,434 | 1,474,293 Direct | -0.04% | Disposed | 11.8% (price as of 2026-08-19) |
| June 4, 2026 | KRYS | S | 320 | $300.75 | $96,240 | 1,474,933 Direct | -0.02% | Disposed | 12.3% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S | 483 | $257.31 | $124,281 | 1,499,770 Direct | -0.03% | Disposed | 31.3% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 470 | $258.38 | $121,439 | 1,499,300 Direct | -0.03% | Disposed | 30.7% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 1,377 | $259.87 | $357,841 | 1,497,923 Direct | -0.09% | Disposed | 30.0% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 3,128 | $260.49 | $814,813 | 1,494,795 Direct | -0.21% | Disposed | 29.7% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 2,962 | $261.41 | $774,296 | 1,491,833 Direct | -0.20% | Disposed | 29.2% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 2,380 | $262.44 | $624,607 | 1,489,453 Direct | -0.16% | Disposed | 28.7% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 2,043 | $263.70 | $538,739 | 1,487,410 Direct | -0.14% | Disposed | 28.1% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 8,798 | $264.85 | $2,330,150 | 1,478,612 Direct | -0.59% | Disposed | 27.6% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 2,439 | $265.59 | $647,774 | 1,476,173 Direct | -0.16% | Disposed | 27.2% (price as of 2026-08-19) |
| March 4, 2026 | KRYS | S 10b5-1 | 920 | $266.56 | $245,235 | 1,475,253 Direct | -0.06% | Disposed | 26.7% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 956 | $214.28 | $204,852 | 1,507,100 Direct | -0.06% | Disposed | 57.7% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 344 | $215.48 | $74,125 | 1,506,756 Direct | -0.02% | Disposed | 56.8% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 1,600 | $217.04 | $347,264 | 1,505,156 Direct | -0.11% | Disposed | 55.7% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 2,577 | $218.72 | $563,641 | 1,502,579 Direct | -0.17% | Disposed | 54.5% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 5,693 | $219.55 | $1,249,898 | 1,496,886 Direct | -0.38% | Disposed | 53.9% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 2,625 | $220.34 | $578,392 | 1,494,261 Direct | -0.18% | Disposed | 53.3% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 10,505 | $221.78 | $2,329,799 | 1,483,756 Direct | -0.70% | Disposed | 52.3% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 700 | $222.20 | $155,540 | 1,483,056 Direct | -0.05% | Disposed | 52.0% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 700 | $214.25 | $149,975 | 1,438,011 Indirect | -0.05% | Disposed | 57.7% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 600 | $215.49 | $129,294 | 1,437,411 Indirect | -0.04% | Disposed | 56.8% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 1,400 | $216.97 | $303,758 | 1,436,011 Indirect | -0.10% | Disposed | 55.7% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 3,593 | $218.83 | $786,256 | 1,432,418 Indirect | -0.25% | Disposed | 54.4% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 5,419 | $219.68 | $1,190,446 | 1,426,999 Indirect | -0.38% | Disposed | 53.8% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 2,627 | $220.52 | $579,306 | 1,424,372 Indirect | -0.18% | Disposed | 53.2% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 10,461 | $221.82 | $2,320,459 | 1,413,911 Indirect | -0.73% | Disposed | 52.3% (price as of 2026-08-19) |
| Dec. 4, 2025 | KRYS | S 10b5-1 | 200 | $222.38 | $44,476 | 1,413,711 Indirect | -0.01% | Disposed | 51.9% (price as of 2026-08-19) |
| July 16, 2025 | KRYS | S 10b5-1 | 1,389 | $150.00 | $208,350 | 1,508,056 Direct | -0.09% | Disposed | 125.2% (price as of 2026-08-19) |
| July 16, 2025 | KRYS | S 10b5-1 | 1,529 | $150.00 | $229,350 | 1,438,711 Indirect | -0.11% | Disposed | 125.2% (price as of 2026-08-19) |
| July 15, 2025 | KRYS | S 10b5-1 | 2,184 | $150.68 | $329,085 | 1,510,345 Direct | -0.14% | Disposed | 124.2% (price as of 2026-08-19) |
| July 15, 2025 | KRYS | S 10b5-1 | 900 | $151.79 | $136,611 | 1,509,445 Direct | -0.06% | Disposed | 122.6% (price as of 2026-08-19) |
| July 15, 2025 | KRYS | S 10b5-1 | 2,236 | $150.68 | $336,920 | 1,441,040 Indirect | -0.15% | Disposed | 124.2% (price as of 2026-08-19) |
| July 15, 2025 | KRYS | S 10b5-1 | 800 | $151.79 | $121,432 | 1,440,240 Indirect | -0.06% | Disposed | 122.6% (price as of 2026-08-19) |
| July 14, 2025 | KRYS | S 10b5-1 | 13,400 | $150.30 | $2,014,020 | 1,512,529 Direct | -0.88% | Disposed | 124.8% (price as of 2026-08-19) |
| July 14, 2025 | KRYS | S 10b5-1 | 13,335 | $150.29 | $2,004,117 | 1,443,376 Indirect | -0.92% | Disposed | 124.8% (price as of 2026-08-19) |
| July 14, 2025 | KRYS | S 10b5-1 | 100 | $151.00 | $15,100 | 1,443,276 Indirect | -0.01% | Disposed | 123.7% (price as of 2026-08-19) |
| July 10, 2025 | KRYS | S 10b5-1 | 6,627 | $150.22 | $995,508 | 1,526,229 Direct | -0.43% | Disposed | 124.9% (price as of 2026-08-19) |
| July 10, 2025 | KRYS | S 10b5-1 | 300 | $151.39 | $45,417 | 1,525,929 Direct | -0.02% | Disposed | 123.2% (price as of 2026-08-19) |
| July 10, 2025 | KRYS | S 10b5-1 | 6,500 | $150.23 | $976,495 | 1,457,011 Indirect | -0.44% | Disposed | 124.9% (price as of 2026-08-19) |
| July 10, 2025 | KRYS | S 10b5-1 | 300 | $151.39 | $45,417 | 1,456,711 Indirect | -0.02% | Disposed | 123.2% (price as of 2026-08-19) |
| July 9, 2025 | KRYS | S 10b5-1 | 200 | $150.07 | $30,014 | 1,532,856 Direct | -0.01% | Disposed | 125.1% (price as of 2026-08-19) |
| July 9, 2025 | KRYS | S 10b5-1 | 200 | $150.14 | $30,028 | 1,463,511 Indirect | -0.01% | Disposed | 125.0% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 1,100 | $175.83 | $193,413 | 1,556,956 Direct | -0.07% | Disposed | 92.1% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 4,944 | $176.80 | $874,099 | 1,552,012 Direct | -0.32% | Disposed | 91.1% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 10,931 | $177.62 | $1,941,564 | 1,541,081 Direct | -0.70% | Disposed | 90.2% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 6,769 | $178.77 | $1,210,094 | 1,534,312 Direct | -0.44% | Disposed | 89.0% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 1,256 | $179.57 | $225,540 | 1,533,056 Direct | -0.08% | Disposed | 88.1% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 1,639 | $175.97 | $288,415 | 1,487,072 Indirect | -0.11% | Disposed | 92.0% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 4,579 | $176.88 | $809,934 | 1,482,493 Indirect | -0.31% | Disposed | 91.0% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 10,937 | $177.66 | $1,943,067 | 1,471,556 Indirect | -0.74% | Disposed | 90.2% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 6,514 | $178.76 | $1,164,443 | 1,465,042 Indirect | -0.44% | Disposed | 89.0% (price as of 2026-08-19) |
| March 13, 2025 | KRYS | S 10b5-1 | 1,331 | $179.55 | $238,981 | 1,463,711 Indirect | -0.09% | Disposed | 88.2% (price as of 2026-08-19) |
| Dec. 13, 2024 | KRYS | S 10b5-1 | 6,302 | $163.07 | $1,027,667 | 1,555,960 Direct | -0.40% | Disposed | 107.2% (price as of 2026-08-19) |
| Dec. 13, 2024 | KRYS | S 10b5-1 | 8,381 | $163.91 | $1,373,730 | 1,547,579 Direct | -0.54% | Disposed | 106.1% (price as of 2026-08-19) |
| Dec. 13, 2024 | KRYS | S 10b5-1 | 4,909 | $164.93 | $809,641 | 1,542,670 Direct | -0.32% | Disposed | 104.8% (price as of 2026-08-19) |
| Dec. 13, 2024 | KRYS | S 10b5-1 | 1,977 | $165.82 | $327,826 | 1,540,693 Direct | -0.13% | Disposed | 103.7% (price as of 2026-08-19) |
| Dec. 13, 2024 | KRYS | S 10b5-1 | 923 | $166.93 | $154,076 | 1,539,770 Direct | -0.06% | Disposed | 102.4% (price as of 2026-08-19) |
Showing latest 100 of 269 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 |
|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | KRYS | Restricted Stock Units | Common Stock (8,750) | — | — | 8,750 | Disposed |
| Feb. 27, 2026 | KRYS | Performance Stock Units | Common Stock (26,250) | — | — | 26,250 | Disposed |
| Feb. 27, 2026 | KRYS | Restricted Stock Units | Common Stock (5,725) | — | — | 5,725 | Disposed |
| Feb. 27, 2026 | KRYS | Stock Option (Right to Buy) | Common Stock (45,249) | $275.64 | Feb. 26, 2036 | 45,249 | Acquired |
| Feb. 27, 2026 | KRYS | Restricted Stock Units | Common Stock (18,140) | — | — | 18,140 | Acquired |
| Feb. 28, 2025 | KRYS | Performance Stock Units | Common Stock (12,500) | — | — | 12,500 | Disposed |
| Feb. 28, 2025 | KRYS | Restricted Stock Units | Common Stock (8,750) | — | — | 8,750 | Disposed |
| Feb. 28, 2025 | KRYS | Performance Stock Units | Common Stock (26,250) | — | — | 26,250 | Disposed |
| Feb. 28, 2025 | KRYS | Stock Option (Right to Buy) | Common Stock (39,300) | $179.25 | Feb. 28, 2035 | 39,300 | Acquired |
| Feb. 28, 2025 | KRYS | Restricted Stock Units | Common Stock (22,900) | — | — | 22,900 | Acquired |
| Feb. 29, 2024 | KRYS | Restricted Stock Units | Common Stock (35,000) | — | — | 35,000 | Acquired |
| Feb. 29, 2024 | KRYS | Performance Stock Units | Common Stock (52,500) | — | — | 52,500 | Acquired |
| Feb. 28, 2024 | KRYS | Performance Stock Units | Common Stock (12,500) | — | — | 12,500 | Disposed |
| Feb. 28, 2023 | KRYS | Stock Option (Right to Buy) | Common Stock (50,000) | $81.91 | Feb. 28, 2033 | 50,000 | Acquired |
| Feb. 28, 2023 | KRYS | Performance Stock Units | Common Stock | — | — | 25,000 | Acquired |
| Feb. 28, 2022 | KRYS | Stock Option (Right to Buy) | Common Stock (50,000) | $63.55 | Feb. 28, 2032 | 50,000 | Acquired |
| Feb. 26, 2021 | KRYS | Stock Option (Right to Buy) | Common Stock (61,200) | $78.89 | Feb. 26, 2025 | 61,200 | Acquired |
| Sept. 22, 2017 | KRYS | Series A Convertible Preferred Stock | Common Stock (112,162) | — | — | 112,162 | Disposed |
| Jan. 29, 2016 | PGEN | Option to Purchase Common Stock (Right to Buy) | Common Stock (14,657) | $6.88 | Jan. 3, 2022 | 14,657 | Disposed |
| Jan. 28, 2016 | PGEN | Option to Purchase Common Stock (Right to Buy) | Common Stock (14,657) | $6.88 | Dec. 5, 2021 | 14,657 | Disposed |
| May 18, 2015 | PGEN | Option to Purchase Common Stock (Right to Buy) | Common Stock (42,000) | $7.12 | Dec. 5, 2021 | 42,000 | Disposed |
| May 18, 2015 | PGEN | Option to Purchase Common Stock (Right to Buy) | Common Stock (42,000) | $7.12 | Jan. 3, 2022 | 42,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 25, 2017 | KRYS | Series A Convertible Preferred Stock [F1]→ Common Stock | — | Indirect |
| Sept. 19, 2017 | KRYS | Common Stock | 1,835,249 | Direct |
| Sept. 19, 2017 | KRYS | Common Stock | 1,835,249 | Indirect |
| Sept. 19, 2017 | KRYS | Series A Convertible Preferred Stock [F2] | 112,162 | Indirect |
| Aug. 7, 2013 | PGEN | Option to Purchase Common Stock→ Common Stock (571,428) | 571,428 | Direct |