SEC CIK 1892353
Westerhout Fredrik H
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| KAIview stock → | 3,117 | 2026-03-10 |
Position History — KAI
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — KAI
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-03-10 | Grant / award (derivative) | 276 | $0.00 | 276 |
| 2026-03-10 | Grant / award (derivative) | 1,105 | $0.00 | 1,105 |
| 2026-03-10 | Option exercise (derivative) | 81 | $0.00 | 162 |
| 2026-03-10 | Option exercise (derivative) | 311 | $0.00 | 620 |
| 2026-03-10 | Option exercise (derivative) | 105 | $0.00 | 104 |
| 2026-03-10 | Option exercise (derivative) | 438 | $0.00 | 438 |
| 2026-03-10 | Option exercise (derivative) | 583 | $0.00 | 0 |
| 2026-03-10 | Tax withholding | 41 | $334.17 | 3,117 |
| 2026-03-10 | Option exercise | 81 | — | 3,158 |
| 2026-03-10 | Tax withholding | 154 | $334.17 | 3,077 |
| 2026-03-10 | Option exercise | 311 | — | 3,231 |
| 2026-03-10 | Tax withholding | 52 | $334.17 | 2,920 |
| 2026-03-10 | Option exercise | 105 | — | 2,972 |
| 2026-03-10 | Tax withholding | 217 | $334.17 | 2,867 |
| 2026-03-10 | Option exercise | 438 | — | 3,084 |
| 2026-03-10 | Tax withholding | 55 | $334.17 | 2,646 |
| 2026-03-10 | Option exercise | 111 | — | 2,701 |
| 2026-03-10 | Tax withholding | 289 | $334.17 | 2,590 |
| 2026-03-10 | Option exercise | 583 | — | 2,879 |
| 2025-03-10 | Option exercise (derivative) | 105 | $0.00 | 209 |
| 2025-03-10 | Option exercise (derivative) | 439 | $0.00 | 876 |
| 2025-03-10 | Option exercise (derivative) | 111 | $0.00 | 111 |
| 2025-03-10 | Option exercise (derivative) | 583 | $0.00 | 583 |
| 2025-03-10 | Option exercise (derivative) | 383 | $0.00 | 0 |
| 2025-03-10 | Tax withholding | 289 | $376.16 | 1,966 |
| 2025-03-10 | Option exercise | 105 | — | 2,348 |
| 2025-03-10 | Tax withholding | 218 | $376.16 | 2,243 |
| 2025-03-10 | Option exercise | 439 | — | 2,461 |
| 2025-03-10 | Tax withholding | 55 | $376.16 | 2,022 |
| 2025-03-10 | Option exercise | 111 | — | 2,077 |
| 2025-03-10 | Tax withholding | 52 | $376.16 | 2,296 |
| 2025-03-10 | Option exercise | 583 | — | 2,255 |
| 2025-03-10 | Tax withholding | 42 | $376.16 | 1,672 |
| 2025-03-10 | Option exercise | 84 | — | 1,714 |
| 2025-03-10 | Tax withholding | 190 | $376.16 | 1,630 |
| 2025-03-10 | Option exercise | 383 | — | 1,820 |
| 2025-03-04 | Grant / award (derivative) | 243 | $0.00 | 243 |
| 2025-03-04 | Grant / award (derivative) | 970 | $0.00 | 970 |
| 2024-11-18 | Open-market sale | 600 | $397.25 | 1,437 |
| 2024-03-10 | Option exercise (derivative) | 112 | $0.00 | 222 |
| 2024-03-10 | Option exercise (derivative) | 130 | $0.00 | 0 |
| 2024-03-10 | Option exercise (derivative) | 383 | $0.00 | 383 |
| 2024-03-10 | Option exercise (derivative) | 85 | $0.00 | 84 |
| 2024-03-10 | Option exercise (derivative) | 583 | $0.00 | 1,166 |
| 2024-03-10 | Option exercise | 85 | — | 1,730 |
| 2024-03-10 | Option exercise | 112 | — | 2,093 |
| 2024-03-10 | Tax withholding | 289 | $327.00 | 1,981 |
| 2024-03-10 | Option exercise | 583 | — | 2,270 |
| 2024-03-10 | Tax withholding | 43 | $327.00 | 1,687 |
| 2024-03-10 | Tax withholding | 56 | $327.00 | 2,037 |
| 2024-03-10 | Tax withholding | 190 | $327.00 | 1,645 |
| 2024-03-10 | Option exercise | 383 | — | 1,835 |
| 2024-03-10 | Tax withholding | 65 | $327.00 | 1,452 |
| 2024-03-10 | Option exercise | 130 | — | 1,517 |
| 2024-03-06 | Grant / award (derivative) | 314 | $0.00 | 314 |
| 2024-03-06 | Grant / award (derivative) | 1,255 | $0.00 | 1,255 |
| 2023-06-12 | Open-market sale | 480 | $215.00 | 1,387 |
| 2023-03-10 | Option exercise (derivative) | 130 | $0.00 | 130 |
| 2023-03-10 | Option exercise (derivative) | 384 | $0.00 | 766 |
| 2023-03-10 | Option exercise (derivative) | 85 | $0.00 | 169 |
| 2023-03-10 | Option exercise (derivative) | 212 | $0.00 | 0 |
| 2023-03-10 | Tax withholding | 191 | $213.64 | 1,825 |
| 2023-03-10 | Option exercise | 85 | — | 1,910 |
| 2023-03-10 | Tax withholding | 65 | $213.64 | 1,632 |
| 2023-03-10 | Option exercise | 384 | — | 2,016 |
| 2023-03-10 | Tax withholding | 43 | $213.64 | 1,867 |
| 2023-03-10 | Option exercise | 130 | — | 1,697 |
| 2023-03-10 | Tax withholding | 105 | $213.64 | 1,567 |
| 2023-03-10 | Option exercise | 212 | — | 1,672 |
| 2023-03-07 | Grant / award (derivative) | 334 | $0.00 | 334 |
| 2023-03-07 | Grant / award (derivative) | 1,335 | $0.00 | 1,335 |
| 2022-03-10 | Option exercise (derivative) | 131 | $0.00 | 260 |
| 2022-03-10 | Option exercise (derivative) | 212 | $0.00 | 212 |
| 2022-03-10 | Option exercise (derivative) | 218 | $0.00 | 0 |
| 2022-03-10 | Option exercise | 212 | — | 1,499 |
| 2022-03-10 | Option exercise | 218 | — | 1,395 |
| 2022-03-10 | Tax withholding | 108 | $202.22 | 1,287 |
| 2022-03-10 | Option exercise | 131 | — | 1,525 |
| 2022-03-10 | Tax withholding | 105 | $202.22 | 1,394 |
| 2022-03-10 | Tax withholding | 65 | $202.22 | 1,460 |
| 2022-03-08 | Grant / award (derivative) | 254 | $0.00 | 254 |
| 2022-03-08 | Grant / award (derivative) | 1,018 | $0.00 | 1,018 |
| 2021-11-01 | — | — | — | 1,177 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.