SEC CIK 1911064
O'Callahan Elizabeth M
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| NTAPview stock → | 30,423 | 2026-10-15 |
Position History — NTAP
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — NTAP
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-10-15 | Option exercise (derivative) | 1,385 | — | 9,702 |
| 2026-10-15 | Tax withholding | 699 | $222.20 | 30,423 |
| 2026-10-15 | Option exercise | 1,385 | — | 31,122 |
| 2026-10-12 | Open-market sale | 1,000 | $237.42 | 29,737 |
| 2026-09-10 | Open-market sale | 1,000 | $184.74 | 30,737 |
| 2026-08-15 | Option exercise (derivative) | 1,205 | — | 13,259 |
| 2026-08-15 | Option exercise (derivative) | 699 | — | 4,899 |
| 2026-08-15 | Option exercise (derivative) | 1,004 | — | 3,011 |
| 2026-08-15 | Tax withholding | 1,468 | $204.99 | 31,737 |
| 2026-08-15 | Option exercise | 2,908 | — | 33,205 |
| 2026-08-10 | Open-market sale | 1,000 | $193.82 | 30,297 |
| 2026-07-10 | Open-market sale | 1,000 | $170.92 | 31,297 |
| 2026-07-01 | Grant / award (derivative) | 11,087 | — | 11,087 |
| 2026-06-10 | Open-market sale | 1,000 | $163.48 | 32,297 |
| 2026-05-15 | Option exercise (derivative) | 4,821 | — | 14,464 |
| 2026-05-15 | Option exercise (derivative) | 700 | — | 5,598 |
| 2026-05-15 | Option exercise (derivative) | 1,004 | — | 4,015 |
| 2026-05-15 | Option exercise (derivative) | 1,048 | — | 0 |
| 2026-05-15 | Tax withholding | 3,822 | $119.93 | 33,085 |
| 2026-05-15 | Option exercise | 7,573 | — | 36,907 |
| 2026-05-14 | Tax withholding | 6,144 | $118.58 | 29,334 |
| 2026-05-14 | Grant / award | 12,181 | — | 35,478 |
| 2026-05-14 | Tax withholding | 5,002 | $118.58 | 23,297 |
| 2026-05-14 | Grant / award | 9,917 | — | 28,299 |
| 2026-05-11 | Open-market sale | 1,000 | $117.73 | 18,382 |
| 2026-04-10 | Open-market sale | 1,000 | $96.25 | 19,382 |
| 2026-03-10 | Open-market sale | 1,000 | $100.67 | 20,382 |
| 2026-02-15 | Option exercise (derivative) | 700 | — | 6,298 |
| 2026-02-15 | Option exercise (derivative) | 1,003 | — | 5,019 |
| 2026-02-15 | Option exercise (derivative) | 1,047 | — | 1,048 |
| 2026-02-15 | Tax withholding | 1,443 | $98.22 | 21,382 |
| 2026-02-15 | Option exercise | 2,750 | — | 22,825 |
| 2026-02-10 | Open-market sale | 1,000 | $103.45 | 20,075 |
| 2026-01-12 | Open-market sale | 1,000 | $105.49 | 21,075 |
| 2025-12-10 | Open-market sale | 1,000 | $117.37 | 22,075 |
| 2025-11-15 | Option exercise (derivative) | 1,004 | — | 6,022 |
| 2025-11-15 | Option exercise (derivative) | 700 | — | 6,998 |
| 2025-11-15 | Option exercise (derivative) | 1,048 | — | 2,095 |
| 2025-11-15 | Option exercise | 2,752 | — | 24,380 |
| 2025-11-15 | Tax withholding | 1,373 | $109.60 | 23,007 |
| 2025-11-10 | Open-market sale | 1,000 | $114.29 | 21,628 |
| 2025-10-10 | Open-market sale | 1,000 | $119.00 | 22,628 |
| 2025-09-10 | Open-market sale | 1,000 | $123.67 | 23,628 |
| 2025-08-15 | Option exercise (derivative) | 1,047 | — | 3,143 |
| 2025-08-15 | Option exercise (derivative) | 1,004 | — | 7,026 |
| 2025-08-15 | Option exercise (derivative) | 699 | — | 7,698 |
| 2025-08-15 | Tax withholding | 1,373 | $108.79 | 24,628 |
| 2025-08-15 | Option exercise | 2,750 | — | 26,001 |
| 2025-08-11 | Open-market sale | 1,000 | $105.90 | 23,251 |
| 2025-07-10 | Open-market sale | 1,000 | $106.84 | 24,251 |
| 2025-07-01 | Grant / award (derivative) | 19,285 | — | 19,285 |
| 2025-06-10 | Open-market sale | 528 | $103.06 | 25,251 |
| 2025-05-16 | Tax withholding | 4,628 | $100.53 | 19,954 |
| 2025-05-16 | Grant / award | 11,134 | — | 31,088 |
| 2025-05-16 | Tax withholding | 5,563 | $100.53 | 25,525 |
| 2025-05-16 | Grant / award | 9,260 | — | 24,582 |
| 2025-05-15 | Option exercise (derivative) | 1,794 | — | 0 |
| 2025-05-15 | Option exercise (derivative) | 1,048 | — | 4,190 |
| 2025-05-15 | Option exercise (derivative) | 2,798 | — | 8,397 |
| 2025-05-15 | Option exercise (derivative) | 1,003 | — | 8,030 |
| 2025-05-15 | Tax withholding | 3,318 | $99.82 | 15,322 |
| 2025-05-15 | Option exercise | 6,643 | — | 18,640 |
| 2025-05-12 | Open-market sale | 452 | $97.50 | 11,997 |
| 2025-04-10 | Open-market sale | 451 | $83.14 | 12,449 |
| 2025-03-10 | Open-market sale | 528 | $92.58 | 12,900 |
| 2025-02-15 | Option exercise (derivative) | 1,047 | — | 5,238 |
| 2025-02-15 | Option exercise (derivative) | 1,004 | — | 9,033 |
| 2025-02-15 | Option exercise (derivative) | 1,794 | — | 1,794 |
| 2025-02-15 | Tax withholding | 1,970 | $119.06 | 13,428 |
| 2025-02-15 | Option exercise | 3,845 | — | 15,398 |
| 2025-02-10 | Open-market sale | 452 | $120.75 | 11,553 |
| 2025-01-10 | Open-market sale | 451 | $116.79 | 12,005 |
| 2024-12-10 | Open-market sale | 770 | $127.41 | 12,456 |
| 2024-11-15 | Option exercise (derivative) | 1,794 | — | 3,588 |
| 2024-11-15 | Option exercise (derivative) | 1,047 | — | 6,285 |
| 2024-11-15 | Option exercise (derivative) | 1,004 | — | 10,037 |
| 2024-11-15 | Option exercise | 3,845 | — | 15,036 |
| 2024-11-15 | Tax withholding | 1,924 | $117.21 | 13,112 |
| 2024-11-11 | Open-market sale | 503 | $123.63 | 11,191 |
| 2024-10-10 | Open-market sale | 705 | $126.20 | 11,694 |
| 2024-09-10 | Open-market sale | 704 | $114.69 | 12,399 |
| 2024-08-15 | Option exercise (derivative) | 1,793 | — | 5,382 |
| 2024-08-15 | Option exercise (derivative) | 1,003 | — | 11,041 |
| 2024-08-15 | Option exercise (derivative) | 1,048 | — | 7,332 |
| 2024-08-15 | Option exercise | 3,844 | — | 15,026 |
| 2024-08-15 | Tax withholding | 1,923 | $131.43 | 13,103 |
| 2024-08-12 | Open-market sale | 704 | $122.49 | 11,182 |
| 2024-07-10 | Open-market sale | 452 | $133.07 | 11,886 |
| 2024-07-01 | Grant / award (derivative) | 11,195 | — | 11,195 |
| 2024-06-10 | Open-market sale | 672 | $120.42 | 12,338 |
| 2024-06-01 | Option exercise (derivative) | 1,250 | — | 0 |
| 2024-06-01 | Tax withholding | 626 | $120.43 | 13,010 |
| 2024-06-01 | Option exercise | 1,250 | — | 13,636 |
| 2024-05-15 | Option exercise (derivative) | 1,794 | — | 7,175 |
| 2024-05-15 | Option exercise (derivative) | 1,047 | — | 8,380 |
| 2024-05-15 | Option exercise (derivative) | 4,014 | — | 12,044 |
| 2024-05-15 | Tax withholding | 3,432 | $110.62 | 12,153 |
| 2024-05-15 | Option exercise | 6,855 | — | 15,585 |
| 2024-05-10 | Open-market sale | 871 | $108.84 | 8,730 |
| 2024-04-10 | Open-market sale | 871 | $103.02 | 9,601 |
| 2024-03-11 | Open-market sale | 871 | $102.85 | 10,472 |
| 2024-02-15 | Option exercise (derivative) | 1,794 | $0.00 | 8,969 |
| 2024-02-15 | Option exercise (derivative) | 1,048 | $0.00 | 9,427 |
| 2024-02-15 | Tax withholding | 1,484 | $87.27 | 11,343 |
| 2024-02-15 | Option exercise | 2,842 | $0.00 | 12,827 |
| 2024-02-12 | Open-market sale | 871 | $89.96 | 9,985 |
| 2024-01-10 | Open-market sale | 871 | $86.27 | 10,856 |
| 2023-12-11 | Open-market sale | 871 | $89.50 | 11,727 |
| 2023-11-15 | Option exercise (derivative) | 1,794 | $0.00 | 10,763 |
| 2023-11-15 | Option exercise (derivative) | 1,047 | $0.00 | 10,475 |
| 2023-11-15 | Tax withholding | 1,410 | $78.92 | 12,459 |
| 2023-11-15 | Option exercise | 2,841 | $0.00 | 13,869 |
| 2023-11-10 | Open-market sale | 871 | $76.05 | 11,028 |
| 2023-10-10 | Open-market sale | 871 | $76.20 | 11,899 |
| 2023-09-11 | Open-market sale | 871 | $79.58 | 12,770 |
| 2023-08-15 | Option exercise (derivative) | 1,047 | $0.00 | 11,522 |
| 2023-08-15 | Option exercise (derivative) | 1,793 | $0.00 | 12,557 |
| 2023-08-15 | Tax withholding | 1,409 | $76.29 | 13,641 |
| 2023-08-15 | Option exercise | 2,840 | $0.00 | 15,050 |
| 2023-08-10 | Open-market sale | 871 | $77.24 | 12,210 |
| 2023-07-13 | Grant / award (derivative) | 16,058 | $0.00 | 16,058 |
| 2023-07-10 | Open-market sale | 872 | $75.83 | 13,081 |
| 2023-06-26 | Open-market sale | 872 | $73.58 | 13,953 |
| 2023-06-01 | Option exercise (derivative) | 1,000 | $0.00 | 0 |
| 2023-06-01 | Option exercise (derivative) | 1,250 | $0.00 | 1,250 |
| 2023-06-01 | Tax withholding | 1,116 | $71.96 | 14,825 |
| 2023-06-01 | Grant / award | 2,250 | $0.00 | 15,941 |
| 2023-05-15 | Option exercise (derivative) | 4,189 | $0.00 | 12,569 |
| 2023-05-15 | Option exercise (derivative) | 1,794 | $0.00 | 14,350 |
| 2023-05-15 | Option exercise | 5,983 | $0.00 | 16,437 |
| 2023-05-15 | Tax withholding | 2,967 | $64.75 | 13,470 |
| 2023-02-15 | Option exercise (derivative) | 1,794 | $0.00 | 16,144 |
| 2023-02-15 | Tax withholding | 706 | $68.71 | 10,454 |
| 2023-02-15 | Option exercise | 1,794 | $0.00 | 11,160 |
| 2022-11-30 | J | 149 | $57.47 | 9,366 |
| 2022-11-15 | Option exercise (derivative) | 1,794 | $0.00 | 17,938 |
| 2022-11-15 | Tax withholding | 889 | $73.96 | 9,217 |
| 2022-11-15 | Option exercise | 1,794 | $0.00 | 10,106 |
| 2022-08-15 | Tax withholding | 888 | $74.63 | 8,312 |
| 2022-08-15 | Option exercise | 1,793 | $0.00 | 9,200 |
| 2022-08-15 | Option exercise (derivative) | 1,793 | $0.00 | 19,732 |
| 2022-08-15 | Option exercise | 1,793 | $0.00 | 9,200 |
| 2022-08-15 | Tax withholding | 888 | $74.63 | 8,312 |
| 2022-07-01 | Grant / award (derivative) | 12,568 | $0.00 | 12,568 |
| 2022-07-01 | Grant / award (derivative) | 16,758 | $0.00 | 16,758 |
| 2022-06-01 | Option exercise (derivative) | 1,000 | $0.00 | 1,000 |
| 2022-06-01 | Option exercise (derivative) | 1,250 | $0.00 | 2,500 |
| 2022-06-01 | Option exercise (derivative) | 875 | $0.00 | 0 |
| 2022-06-01 | Tax withholding | 1,079 | $72.51 | 7,407 |
| 2022-06-01 | Option exercise | 3,125 | $0.00 | 8,486 |
| 2022-05-31 | J | 332 | $36.27 | 5,361 |
| 2022-05-15 | Option exercise (derivative) | 7,175 | $0.00 | 21,525 |
| 2022-05-15 | Tax withholding | 2,477 | $71.21 | 5,029 |
| 2022-05-15 | Option exercise | 7,175 | $0.00 | 7,506 |
| 2022-05-15 | Option exercise (derivative) | 7,175 | $0.00 | 19,732 |
| 2022-02-03 | — | — | — | 331 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.