SEC Insider Transactions from O'Callahan Elizabeth M.

Last updated: 2026-03-14 11:57 UTC | Total transactions: 109

Elizabeth M. O'Callahan, EVP and Chief Administrative Officer at NetApp, Inc. ($NTAP), sold about $1.13 million worth of company shares through 12 open market transactions over the past year. Her most recent sale occurred on March 10, 2026. These sales rank her 4,638th among 11,678 individual insiders in our database by total value sold, compared to an average of $8.6 million per insider and about 6.4 transactions. She made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 10, 2026 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $100.67 20,382.0000 202,000,000 4.68% 0.00%
Feb. 15, 2026 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 700 $0.00 6,298.0000 202,000,000 10.00% 0.00%
Feb. 15, 2026 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Common Shares 2750 $0.00 22,825.0000 202,000,000 13.70% 0.00%
Feb. 15, 2026 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer F Common Shares 1443 $98.22 21,382.0000 202,000,000 6.32% 0.00%
Feb. 15, 2026 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1047 $0.00 1,048.0000 202,000,000 49.98% 0.00%
Feb. 15, 2026 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1003 $0.00 5,019.0000 202,000,000 16.66% 0.00%
Feb. 10, 2026 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $103.45 20,075.0000 202,000,000 4.74% 0.00%
Jan. 12, 2026 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $105.49 21,075.0000 202,000,000 4.53% 0.00%
Dec. 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $117.37 22,075.0000 202,000,000 4.33% 0.00%
Nov. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 700 $0.00 6,998.0000 202,000,000 9.09% 0.00%
Nov. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Common Shares 2752 $0.00 24,380.0000 202,000,000 12.72% 0.00%
Nov. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1048 $0.00 2,095.0000 202,000,000 33.34% 0.00%
Nov. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1004 $0.00 6,022.0000 202,000,000 14.29% 0.00%
Nov. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer F Common Shares 1373 $109.60 23,007.0000 202,000,000 5.63% 0.00%
Nov. 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $114.29 21,628.0000 202,000,000 4.42% 0.00%
Oct. 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $119.00 22,628.0000 209,000,000 4.23% 0.00%
Sept. 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $123.67 23,628.0000 209,000,000 4.06% 0.00%
Aug. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1047 $0.00 3,143.0000 209,000,000 24.99% 0.00%
Aug. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer F Common Shares 1373 $108.79 24,628.0000 209,000,000 5.28% 0.00%
Aug. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 699 $0.00 7,698.0000 209,000,000 8.32% 0.00%
Aug. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Common Shares 2750 $0.00 26,001.0000 209,000,000 11.83% 0.00%
Aug. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1004 $0.00 7,026.0000 209,000,000 12.50% 0.00%
Aug. 11, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $105.90 23,251.0000 209,000,000 4.12% 0.00%
July 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 1000 $106.84 24,251.0000 209,000,000 3.96% 0.00%
July 1, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer A Restricted Stock Unit 19285 $0.00 19,285.0000 209,000,000 9999.99% 0.01%
June 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 528 $103.06 25,251.0000 209,000,000 2.05% 0.00%
May 16, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer F Common Shares 4628 $100.53 19,954.0000 209,000,000 18.83% 0.00%
May 16, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer A Common Shares 11134 $0.00 31,088.0000 209,000,000 55.80% 0.01%
May 16, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer F Common Shares 5563 $100.53 25,525.0000 209,000,000 17.89% 0.00%
May 16, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer A Common Shares 9260 $0.00 24,582.0000 209,000,000 60.44% 0.00%
May 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1048 $0.00 4,190.0000 209,000,000 20.01% 0.00%
May 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 2798 $0.00 8,397.0000 209,000,000 24.99% 0.00%
May 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1003 $0.00 8,030.0000 209,000,000 11.10% 0.00%
May 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Common Shares 6643 $0.00 18,640.0000 209,000,000 55.37% 0.00%
May 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer F Common Shares 3318 $99.82 15,322.0000 209,000,000 17.80% 0.00%
May 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer M Restricted Stock Unit 1794 $0.00 0.0000 209,000,000 100.00% 0.00%
May 12, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 452 $97.50 11,997.0000 209,000,000 3.63% 0.00%
April 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 451 $83.14 12,449.0000 211,000,000 3.50% 0.00%
March 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Admin. Officer S Common Shares 528 $92.58 12,900.0000 211,000,000 3.93% 0.00%
Feb. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common Shares 3845 $0.00 15,398.0000 211,000,000 33.28% 0.00%
Feb. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1047 $0.00 5,238.0000 211,000,000 16.66% 0.00%
Feb. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1004 $0.00 9,033.0000 211,000,000 10.00% 0.00%
Feb. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 1970 $119.06 13,428.0000 211,000,000 12.79% 0.00%
Feb. 15, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1794 $0.00 1,794.0000 211,000,000 50.00% 0.00%
Feb. 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 452 $120.75 11,553.0000 211,000,000 3.77% 0.00%
Jan. 10, 2025 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 451 $116.79 12,005.0000 211,000,000 3.62% 0.00%
Dec. 10, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 770 $127.41 12,456.0000 211,000,000 5.82% 0.00%
Nov. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 1924 $117.21 13,112.0000 211,000,000 12.80% 0.00%
Nov. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common Shares 3845 $0.00 15,036.0000 211,000,000 34.36% 0.00%
Nov. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1794 $0.00 3,588.0000 211,000,000 33.33% 0.00%
Nov. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1004 $0.00 10,037.0000 211,000,000 9.09% 0.00%
Nov. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1047 $0.00 6,285.0000 211,000,000 14.28% 0.00%
Nov. 11, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 503 $123.63 11,191.0000 211,000,000 4.30% 0.00%
Oct. 10, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 705 $126.20 11,694.0000 213,000,000 5.69% 0.00%
Sept. 10, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 704 $114.69 12,399.0000 213,000,000 5.37% 0.00%
Aug. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1048 $0.00 7,332.0000 213,000,000 12.51% 0.00%
Aug. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common Shares 3844 $0.00 15,026.0000 213,000,000 34.38% 0.00%
Aug. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 1923 $131.43 13,103.0000 213,000,000 12.80% 0.00%
Aug. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1793 $0.00 5,382.0000 213,000,000 24.99% 0.00%
Aug. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1003 $0.00 11,041.0000 213,000,000 8.33% 0.00%
Aug. 12, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 704 $122.49 11,182.0000 213,000,000 5.92% 0.00%
July 10, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 452 $133.07 11,886.0000 213,000,000 3.66% 0.00%
July 1, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer A Restricted Stock Unit 11195 $0.00 11,195.0000 213,000,000 9999.99% 0.01%
June 10, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 672 $120.42 12,338.0000 213,000,000 5.17% 0.00%
June 1, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 626 $120.43 13,010.0000 213,000,000 4.59% 0.00%
June 1, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1250 $0.00 0.0000 213,000,000 100.00% 0.00%
June 1, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common Shares 1250 $0.00 13,636.0000 213,000,000 10.09% 0.00%
May 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common Shares 6855 $0.00 15,585.0000 213,000,000 78.52% 0.00%
May 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 4014 $0.00 12,044.0000 213,000,000 25.00% 0.00%
May 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1047 $0.00 8,380.0000 213,000,000 11.11% 0.00%
May 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1794 $0.00 7,175.0000 213,000,000 20.00% 0.00%
May 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 3432 $110.62 12,153.0000 213,000,000 22.02% 0.00%
May 10, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $108.84 8,730.0000 213,000,000 9.07% 0.00%
April 10, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $103.02 9,601.0000 220,000,000 8.32% 0.00%
March 11, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $102.85 10,472.0000 220,000,000 7.68% 0.00%
Feb. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1794 $0.00 8,969.0000 220,000,000 16.67% 0.00%
Feb. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1048 $0.00 9,427.0000 220,000,000 10.00% 0.00%
Feb. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 1484 $87.27 11,343.0000 220,000,000 11.57% 0.00%
Feb. 15, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common Shares 2842 $0.00 12,827.0000 220,000,000 28.46% 0.00%
Feb. 12, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $89.96 9,985.0000 220,000,000 8.02% 0.00%
Jan. 10, 2024 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $86.27 10,856.0000 220,000,000 7.43% 0.00%
Dec. 11, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $89.50 11,727.0000 220,000,000 6.91% 0.00%
Nov. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1047 $0.00 10,475.0000 220,000,000 9.09% 0.00%
Nov. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common shares 2841 $0.00 13,869.0000 220,000,000 25.76% 0.00%
Nov. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 1410 $78.92 12,459.0000 220,000,000 10.17% 0.00%
Nov. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1794 $0.00 10,763.0000 220,000,000 14.29% 0.00%
Nov. 10, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $76.05 11,028.0000 220,000,000 7.32% 0.00%
Oct. 10, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $76.20 11,899.0000 220,000,000 6.82% 0.00%
Sept. 11, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $79.58 12,770.0000 220,000,000 6.39% 0.00%
Aug. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 1409 $76.29 13,641.0000 220,000,000 9.36% 0.00%
Aug. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1047 $0.00 11,522.0000 220,000,000 8.33% 0.00%
Aug. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1793 $0.00 12,557.0000 220,000,000 12.49% 0.00%
Aug. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common shares 2840 $0.00 15,050.0000 220,000,000 23.26% 0.00%
Aug. 10, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 871 $77.24 12,210.0000 220,000,000 6.66% 0.00%
July 13, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer A Restricted Stock Unit 16058 $0.00 16,058.0000 220,000,000 9999.99% 0.01%
July 10, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 872 $75.83 13,081.0000 220,000,000 6.25% 0.00%
June 26, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer S Common Shares 872 $73.58 13,953.0000 220,000,000 5.88% 0.00%
June 1, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common shares 1116 $71.96 14,825.0000 220,000,000 7.00% 0.00%
June 1, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1000 $0.00 0.0000 220,000,000 100.00% 0.00%
June 1, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1250 $0.00 1,250.0000 220,000,000 50.00% 0.00%
June 1, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer A Common Shares 2250 $0.00 15,941.0000 220,000,000 16.43% 0.00%
May 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common shares 5983 $0.00 16,437.0000 220,000,000 57.23% 0.00%
May 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 4189 $0.00 12,569.0000 220,000,000 25.00% 0.00%
May 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1794 $0.00 14,350.0000 220,000,000 11.11% 0.00%
May 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 2967 $64.75 13,470.0000 220,000,000 18.05% 0.00%
Feb. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Restricted Stock Unit 1794 $0.00 16,144.0000 0 10.00% 0.00%
Feb. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer F Common Shares 706 $68.71 10,454.0000 0 6.33% 0.00%
Feb. 15, 2023 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer M Common shares 1794 $0.00 11,160.0000 0 19.15% 0.00%
Nov. 30, 2022 NetApp, Inc. $NTAP O'Callahan Elizabeth M EVP, Chief Legal Officer J Common Shares 149 $57.47 9,366.0000 0 1.62% 0.00%