SEC CIK 1743927
Liawatidewi Yakob
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| AMPHview stock → | 121,892 | 2026-03-15 |
Position History — AMPH
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — AMPH
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-03-15 | Tax withholding | 1,033 | $18.18 | 121,892 |
| 2026-03-10 | Tax withholding | 1,870 | $18.91 | 122,925 |
| 2026-03-09 | Grant / award (derivative) | 73,126 | $0.00 | 73,126 |
| 2026-03-09 | Grant / award | 35,450 | $0.00 | 124,795 |
| 2026-03-06 | Tax withholding | 1,144 | $19.34 | 89,345 |
| 2026-03-04 | Tax withholding | 965 | $19.96 | 90,489 |
| 2025-03-17 | Tax withholding | 1,731 | $27.69 | 90,909 |
| 2025-03-15 | Tax withholding | 1,031 | $26.66 | 92,640 |
| 2025-03-10 | Grant / award (derivative) | 44,253 | $0.00 | 44,253 |
| 2025-03-10 | Grant / award | 20,837 | $0.00 | 93,671 |
| 2025-03-06 | Tax withholding | 1,141 | $28.32 | 72,834 |
| 2025-03-04 | Tax withholding | 963 | $27.62 | 73,975 |
| 2024-11-06 | Option exercise (derivative) | 5,214 | $0.00 | 10,962 |
| 2024-11-06 | Open-market sale | 5,214 | $52.05 | 74,938 |
| 2024-11-06 | Option exercise | 5,214 | $13.03 | 80,152 |
| 2024-06-04 | Tax withholding | 272 | $42.22 | 74,938 |
| 2024-03-17 | Tax withholding | 1,726 | $43.05 | 74,778 |
| 2024-03-16 | Tax withholding | 1,671 | $43.05 | 76,504 |
| 2024-03-15 | Tax withholding | 1,027 | $43.05 | 78,175 |
| 2024-03-06 | Tax withholding | 1,221 | $46.31 | 79,202 |
| 2024-03-04 | Grant / award (derivative) | 22,655 | $0.00 | 22,655 |
| 2024-03-04 | Grant / award | 10,754 | $0.00 | 80,423 |
| 2023-08-28 | Option exercise (derivative) | 20,000 | $0.00 | 16,176 |
| 2023-08-28 | Option exercise (derivative) | 3,319 | $0.00 | 0 |
| 2023-08-28 | Option exercise | 5,497 | $20.23 | 78,485 |
| 2023-08-28 | Option exercise | 20,000 | $13.03 | 98,485 |
| 2023-08-28 | Open-market sale | 28,816 | $53.13 | 69,669 |
| 2023-08-28 | Option exercise | 3,319 | $16.96 | 72,988 |
| 2023-06-04 | Tax withholding | 378 | $46.70 | 69,669 |
| 2023-04-13 | Option exercise (derivative) | 11,494 | $0.00 | 5,497 |
| 2023-04-13 | Option exercise | 11,494 | $20.23 | 80,709 |
| 2023-04-13 | Open-market sale | 5,000 | $41.00 | 75,709 |
| 2023-04-13 | Open-market sale | 6,494 | $42.00 | 69,215 |
| 2023-04-10 | Option exercise (derivative) | 5,000 | $0.00 | 16,991 |
| 2023-04-10 | Option exercise | 5,000 | $20.23 | 74,215 |
| 2023-04-10 | Open-market sale | 5,000 | $40.00 | 69,215 |
| 2023-03-17 | Tax withholding | 1,673 | $36.29 | 69,215 |
| 2023-03-16 | Tax withholding | 1,620 | $37.60 | 70,888 |
| 2023-03-15 | Tax withholding | 1,851 | $36.84 | 72,508 |
| 2023-03-06 | Grant / award (derivative) | 26,873 | $0.00 | 26,873 |
| 2023-03-06 | Grant / award | 12,752 | $0.00 | 74,359 |
| 2022-08-09 | Option exercise (derivative) | 3,055 | $0.00 | 0 |
| 2022-08-09 | Option exercise | 3,055 | $19.79 | 64,662 |
| 2022-08-09 | Open-market sale | 3,055 | $39.00 | 61,607 |
| 2022-08-08 | Option exercise (derivative) | 5,000 | $0.00 | 3,055 |
| 2022-08-08 | Option exercise | 5,000 | $19.79 | 66,607 |
| 2022-08-08 | Open-market sale | 5,000 | $38.00 | 61,607 |
| 2022-07-15 | Option exercise (derivative) | 10,837 | $0.00 | 8,055 |
| 2022-07-15 | Open-market sale | 3,478 | $35.94 | 68,966 |
| 2022-07-15 | Open-market sale | 7,359 | $36.97 | 61,607 |
| 2022-07-15 | Option exercise | 10,837 | $19.79 | 72,444 |
| 2022-06-14 | Tax withholding | 128 | $31.02 | 61,607 |
| 2022-06-04 | Tax withholding | 264 | $37.77 | 61,735 |
| 2022-03-17 | Tax withholding | 1,673 | $34.18 | 60,740 |
| 2022-03-16 | Tax withholding | 1,619 | $34.22 | 62,413 |
| 2022-03-15 | Grant / award (derivative) | 26,567 | $0.00 | 26,567 |
| 2022-03-15 | Tax withholding | 1,559 | $34.74 | 64,032 |
| 2022-03-15 | Grant / award | 11,514 | $0.00 | 65,591 |
| 2021-08-02 | Option exercise (derivative) | 8,932 | $0.00 | 0 |
| 2021-08-02 | Option exercise | 8,932 | $14.95 | 63,009 |
| 2021-08-02 | Open-market sale | 8,932 | $21.14 | 54,077 |
| 2021-07-15 | Option exercise (derivative) | 23,352 | $0.00 | 0 |
| 2021-07-15 | Option exercise (derivative) | 7,674 | $0.00 | 36,176 |
| 2021-07-15 | Option exercise | 23,352 | $13.35 | 77,927 |
| 2021-07-15 | Option exercise | 7,674 | $13.03 | 85,601 |
| 2021-07-15 | Open-market sale | 31,524 | $20.01 | 54,077 |
| 2021-06-14 | Tax withholding | 128 | $19.68 | 54,575 |
| 2021-06-04 | Tax withholding | 264 | $18.79 | 54,703 |
| 2021-05-17 | Option exercise (derivative) | 9,637 | $0.00 | 0 |
| 2021-05-17 | Option exercise | 9,637 | $11.33 | 63,210 |
| 2021-05-17 | Open-market sale | 9,637 | $19.99 | 53,573 |
| 2021-05-14 | Open-market sale | 3,186 | $19.92 | 53,573 |
| 2021-05-12 | Open-market sale | 4,592 | $19.33 | 56,759 |
| 2021-05-11 | Option exercise (derivative) | 10,000 | $0.00 | 9,637 |
| 2021-05-11 | Open-market sale | 10,000 | $19.06 | 61,351 |
| 2021-05-11 | Option exercise | 10,000 | $11.33 | 71,351 |
| 2021-03-17 | Grant / award (derivative) | 45,420 | $0.00 | 45,420 |
| 2021-03-17 | Grant / award | 19,344 | $0.00 | 61,351 |
| 2021-03-16 | Tax withholding | 2,430 | $18.44 | 42,007 |
| 2021-03-15 | Tax withholding | 1,559 | $19.15 | 44,437 |
| 2020-07-21 | Option exercise (derivative) | 5,978 | $0.00 | 19,637 |
| 2020-07-21 | Open-market sale | 5,978 | $21.22 | 45,996 |
| 2020-07-21 | Option exercise | 5,978 | $11.33 | 51,974 |
| 2020-07-20 | Option exercise (derivative) | 4,186 | $0.00 | 25,615 |
| 2020-07-20 | Option exercise | 4,186 | $11.33 | 50,182 |
| 2020-07-20 | Open-market sale | 4,186 | $21.03 | 45,996 |
| 2020-06-14 | Tax withholding | 128 | $19.58 | 45,996 |
| 2020-06-09 | Option exercise (derivative) | 16,000 | $0.00 | 16,000 |
| 2020-06-09 | Option exercise | 16,000 | $10.93 | 69,529 |
| 2020-06-09 | Open-market sale | 23,405 | $20.41 | 46,124 |
| 2020-06-04 | Grant / award (derivative) | 7,091 | $0.00 | 7,091 |
| 2020-06-04 | Grant / award | 3,048 | $0.00 | 53,529 |
| 2020-03-17 | Tax withholding | 859 | $14.50 | 49,168 |
| 2020-03-16 | Grant / award (derivative) | 43,850 | $0.00 | 43,850 |
| 2020-03-16 | Grant / award | 18,726 | $0.00 | 50,027 |
| 2020-03-16 | Tax withholding | 810 | $13.03 | 31,301 |
| 2020-03-15 | Tax withholding | 1,559 | $14.19 | 32,111 |
| 2019-09-13 | Open-market sale | 3,000 | $21.45 | 33,670 |
| 2019-09-06 | Open-market sale | 2,395 | $21.90 | 2,459 |
| 2019-09-05 | Open-market sale | 1,515 | $21.24 | 4,854 |
| 2019-08-13 | Option exercise (derivative) | 5,000 | $0.00 | 16,000 |
| 2019-08-13 | Option exercise | 5,000 | $10.93 | 41,670 |
| 2019-08-13 | Open-market sale | 5,000 | $20.73 | 36,670 |
| 2019-08-12 | Option exercise (derivative) | 5,000 | $0.00 | 21,000 |
| 2019-08-12 | Option exercise | 5,000 | $10.93 | 47,188 |
| 2019-08-12 | Open-market sale | 10,518 | $20.44 | 36,670 |
| 2019-06-14 | Tax withholding | 195 | $19.82 | 42,188 |
| 2019-03-26 | Tax withholding | 885 | $20.54 | 41,273 |
| 2019-03-17 | Tax withholding | 1,307 | $20.23 | 42,158 |
| 2019-03-16 | Tax withholding | 1,233 | $20.23 | 43,465 |
| 2019-03-15 | Grant / award (derivative) | 21,991 | $0.00 | 21,991 |
| 2019-03-15 | Grant / award | 9,886 | $0.00 | 45,769 |
| 2019-03-15 | Tax withholding | 1,071 | $20.23 | 44,698 |
| 2019-02-14 | Option exercise (derivative) | 4,868 | $0.00 | 8,932 |
| 2019-02-14 | Open-market sale | 4,868 | $24.00 | 35,883 |
| 2019-02-14 | Option exercise | 4,868 | $14.95 | 40,751 |
| 2019-02-12 | Option exercise (derivative) | 4,000 | $0.00 | 13,800 |
| 2019-02-12 | Option exercise | 4,000 | $14.95 | 39,883 |
| 2019-02-12 | Open-market sale | 4,000 | $23.70 | 35,883 |
| 2019-02-05 | Option exercise (derivative) | 9,817 | $0.00 | 0 |
| 2019-02-05 | Option exercise | 9,817 | $10.48 | 47,280 |
| 2019-02-05 | Open-market sale | 11,397 | $23.18 | 35,883 |
| 2019-01-23 | Option exercise (derivative) | 4,000 | $0.00 | 9,817 |
| 2019-01-23 | Option exercise | 4,000 | $10.48 | 41,463 |
| 2019-01-23 | Open-market sale | 4,000 | $22.65 | 37,463 |
| 2019-01-22 | Option exercise (derivative) | 3,000 | $0.00 | 13,817 |
| 2019-01-22 | Option exercise | 3,000 | $10.48 | 40,463 |
| 2019-01-22 | Open-market sale | 3,000 | $22.35 | 37,463 |
| 2019-01-16 | Option exercise (derivative) | 3,175 | $0.00 | 16,817 |
| 2019-01-16 | Open-market sale | 3,175 | $22.15 | 37,463 |
| 2019-01-16 | Option exercise | 3,175 | $10.48 | 40,638 |
| 2019-01-14 | Option exercise (derivative) | 8 | $0.00 | 19,992 |
| 2019-01-14 | Option exercise | 8 | $10.48 | 37,471 |
| 2019-01-14 | Open-market sale | 8 | $22.15 | 37,463 |
| 2018-11-30 | Option exercise (derivative) | 11,500 | $0.00 | 0 |
| 2018-11-30 | Open-market sale | 11,500 | $21.50 | 37,463 |
| 2018-11-30 | Option exercise | 11,500 | $20.26 | 48,963 |
| 2018-11-30 | Open-market sale | 2,480 | $21.48 | 6,369 |
| 2018-11-28 | Open-market sale | 1,520 | $20.49 | 8,849 |
| 2018-11-23 | Open-market sale | 1,299 | $20.26 | 37,463 |
| 2018-11-09 | Option exercise (derivative) | 4,903 | $0.00 | 0 |
| 2018-11-09 | Option exercise | 4,903 | $14.23 | 45,666 |
| 2018-11-09 | Option exercise | 4,904 | $14.40 | 50,570 |
| 2018-11-09 | Open-market sale | 11,808 | $21.21 | 38,762 |
| 2018-11-08 | Option exercise (derivative) | 6,000 | $0.00 | 0 |
| 2018-11-08 | Open-market sale | 6,000 | $20.50 | 40,763 |
| 2018-11-08 | Option exercise | 6,000 | $11.41 | 46,763 |
| 2018-06-14 | Grant / award (derivative) | 3,319 | $0.00 | 3,319 |
| 2018-06-14 | Grant / award | 1,474 | $0.00 | 40,763 |
| 2018-06-07 | — | — | — | 39,289 |
| 2018-06-07 | — | — | — | 10,369 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.