Elizabeth M O'Callahan
CIK 1911064 · View on SEC EDGAR ↗
First SEC filing: Feb. 15, 2022 · Latest: June 12, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 10, 2026 | NTAP | S 10b5-1 | 1,000 | $193.82 | $193,820 | 30,297 Direct | -3.20% | Disposed | -0.4% (price as of 2026-08-21) |
| July 10, 2026 | NTAP | S 10b5-1 | 1,000 | $170.92 | $170,920 | 31,297 Direct | -3.10% | Disposed | 12.9% (price as of 2026-08-21) |
| June 10, 2026 | NTAP | S 10b5-1 | 1,000 | $163.48 | $163,480 | 32,297 Direct | -3.00% | Disposed | 18.1% (price as of 2026-08-21) |
| May 11, 2026 | NTAP | S 10b5-1 | 1,000 | $117.73 | $117,730 | 18,382 Direct | -5.16% | Disposed | 63.9% (price as of 2026-08-21) |
| April 10, 2026 | NTAP | S 10b5-1 | 1,000 | $96.25 | $96,250 | 19,382 Direct | -4.91% | Disposed | 100.5% (price as of 2026-08-21) |
| March 10, 2026 | NTAP | S 10b5-1 | 1,000 | $100.67 | $100,670 | 20,382 Direct | -4.68% | Disposed | 91.7% (price as of 2026-08-21) |
| Feb. 10, 2026 | NTAP | S 10b5-1 | 1,000 | $103.45 | $103,450 | 20,075 Direct | -4.74% | Disposed | 86.6% (price as of 2026-08-21) |
| Jan. 12, 2026 | NTAP | S 10b5-1 | 1,000 | $105.49 | $105,490 | 21,075 Direct | -4.53% | Disposed | 83.0% (price as of 2026-08-21) |
| Dec. 10, 2025 | NTAP | S 10b5-1 | 1,000 | $117.37 | $117,370 | 22,075 Direct | -4.33% | Disposed | 64.4% (price as of 2026-08-21) |
| Nov. 10, 2025 | NTAP | S 10b5-1 | 1,000 | $114.29 | $114,290 | 21,628 Direct | -4.42% | Disposed | 68.9% (price as of 2026-08-21) |
| Oct. 10, 2025 | NTAP | S 10b5-1 | 1,000 | $119.00 | $119,000 | 22,628 Direct | -4.23% | Disposed | 62.2% (price as of 2026-08-21) |
| Sept. 10, 2025 | NTAP | S 10b5-1 | 1,000 | $123.67 | $123,670 | 23,628 Direct | -4.06% | Disposed | 56.1% (price as of 2026-08-21) |
| Aug. 11, 2025 | NTAP | S 10b5-1 | 1,000 | $105.90 | $105,900 | 23,251 Direct | -4.12% | Disposed | 82.2% (price as of 2026-08-21) |
| July 10, 2025 | NTAP | S 10b5-1 | 1,000 | $106.84 | $106,840 | 24,251 Direct | -3.96% | Disposed | 80.6% (price as of 2026-08-21) |
| June 10, 2025 | NTAP | S 10b5-1 | 528 | $103.06 | $54,416 | 25,251 Direct | -2.05% | Disposed | 87.3% (price as of 2026-08-21) |
| May 12, 2025 | NTAP | S 10b5-1 | 452 | $97.50 | $44,070 | 11,997 Direct | -3.63% | Disposed | 97.9% (price as of 2026-08-21) |
| April 10, 2025 | NTAP | S 10b5-1 | 451 | $83.14 | $37,496 | 12,449 Direct | -3.50% | Disposed | 132.1% (price as of 2026-08-21) |
| March 10, 2025 | NTAP | S 10b5-1 | 528 | $92.58 | $48,882 | 12,900 Direct | -3.93% | Disposed | 108.5% (price as of 2026-08-21) |
| Feb. 10, 2025 | NTAP | S 10b5-1 | 452 | $120.75 | $54,579 | 11,553 Direct | -3.77% | Disposed | 59.8% (price as of 2026-08-21) |
| Jan. 10, 2025 | NTAP | S 10b5-1 | 451 | $116.79 | $52,672 | 12,005 Direct | -3.62% | Disposed | 65.2% (price as of 2026-08-21) |
| Dec. 10, 2024 | NTAP | S 10b5-1 | 770 | $127.41 | $98,106 | 12,456 Direct | -5.82% | Disposed | 51.5% (price as of 2026-08-21) |
| Nov. 11, 2024 | NTAP | S 10b5-1 | 503 | $123.63 | $62,186 | 11,191 Direct | -4.30% | Disposed | 56.1% (price as of 2026-08-21) |
| Oct. 10, 2024 | NTAP | S 10b5-1 | 705 | $126.20 | $88,971 | 11,694 Direct | -5.69% | Disposed | 52.9% (price as of 2026-08-21) |
| Sept. 10, 2024 | NTAP | S 10b5-1 | 704 | $114.69 | $80,742 | 12,399 Direct | -5.37% | Disposed | 68.3% (price as of 2026-08-21) |
| Aug. 12, 2024 | NTAP | S 10b5-1 | 704 | $122.49 | $86,233 | 11,182 Direct | -5.92% | Disposed | 57.6% (price as of 2026-08-21) |
| July 10, 2024 | NTAP | S 10b5-1 | 452 | $133.07 | $60,148 | 11,886 Direct | -3.66% | Disposed | 45.0% (price as of 2026-08-21) |
| June 10, 2024 | NTAP | S 10b5-1 | 672 | $120.42 | $80,922 | 12,338 Direct | -5.17% | Disposed | 60.3% (price as of 2026-08-21) |
| May 10, 2024 | NTAP | S 10b5-1 | 871 | $108.84 | $94,800 | 8,730 Direct | -9.07% | Disposed | 77.3% (price as of 2026-08-21) |
| April 10, 2024 | NTAP | S 10b5-1 | 871 | $103.02 | $89,730 | 9,601 Direct | -8.32% | Disposed | 87.3% (price as of 2026-08-21) |
| March 11, 2024 | NTAP | S 10b5-1 | 871 | $102.85 | $89,582 | 10,472 Direct | -7.68% | Disposed | 87.6% (price as of 2026-08-21) |
Showing latest 100 of 150 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 |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (1,004) | — | — | 1,004 | Disposed |
| Aug. 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (699) | — | — | 699 | Disposed |
| Aug. 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (1,205) | — | — | 1,205 | Disposed |
| July 1, 2026 | NTAP | Restricted Stock Unit | Common Shares (11,087) | — | — | 11,087 | Acquired |
| May 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (4,821) | — | — | 4,821 | Disposed |
| May 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (700) | — | — | 700 | Disposed |
| May 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (1,004) | — | — | 1,004 | Disposed |
| May 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (1,048) | — | — | 1,048 | Disposed |
| Feb. 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (1,047) | — | — | 1,047 | Disposed |
| Feb. 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (1,003) | — | — | 1,003 | Disposed |
| Feb. 15, 2026 | NTAP | Restricted Stock Unit | Common Shares (700) | — | — | 700 | Disposed |
| Nov. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (700) | — | — | 700 | Disposed |
| Nov. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,004) | — | — | 1,004 | Disposed |
| Nov. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,048) | — | — | 1,048 | Disposed |
| Aug. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (699) | — | — | 699 | Disposed |
| Aug. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,004) | — | — | 1,004 | Disposed |
| Aug. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,047) | — | — | 1,047 | Disposed |
| July 1, 2025 | NTAP | Restricted Stock Unit | Common Shares (19,285) | — | — | 19,285 | Acquired |
| May 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (2,798) | — | — | 2,798 | Disposed |
| May 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,003) | — | — | 1,003 | Disposed |
| May 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,048) | — | — | 1,048 | Disposed |
| May 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,794) | — | — | 1,794 | Disposed |
| Feb. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,004) | — | — | 1,004 | Disposed |
| Feb. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,047) | — | — | 1,047 | Disposed |
| Feb. 15, 2025 | NTAP | Restricted Stock Unit | Common Shares (1,794) | — | — | 1,794 | Disposed |
| Nov. 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,794) | — | — | 1,794 | Disposed |
| Nov. 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,047) | — | — | 1,047 | Disposed |
| Nov. 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,004) | — | — | 1,004 | Disposed |
| Aug. 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,003) | — | — | 1,003 | Disposed |
| Aug. 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,048) | — | — | 1,048 | Disposed |
| Aug. 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,793) | — | — | 1,793 | Disposed |
| July 1, 2024 | NTAP | Restricted Stock Unit | Common Shares (11,195) | — | — | 11,195 | Acquired |
| June 1, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,250) | — | — | 1,250 | Disposed |
| May 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (4,014) | — | — | 4,014 | Disposed |
| May 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,047) | — | — | 1,047 | Disposed |
| May 15, 2024 | NTAP | Restricted Stock Unit | Common Shares (1,794) | — | — | 1,794 | Disposed |
| Feb. 15, 2024 | NTAP | Restricted Stock Unit | Common Stock (1,048) | — | — | 1,048 | Disposed |
| Feb. 15, 2024 | NTAP | Restricted Stock Unit | Common Stock (1,794) | — | — | 1,794 | Disposed |
| Nov. 15, 2023 | NTAP | Restricted Stock Unit | Common Stock (1,047) | — | — | 1,047 | Disposed |
| Nov. 15, 2023 | NTAP | Restricted Stock Unit | Common Stock (1,794) | — | — | 1,794 | Disposed |
| Aug. 15, 2023 | NTAP | Restricted Stock Unit | Common Stock (1,047) | — | July 1, 2029 | 1,047 | Disposed |
| Aug. 15, 2023 | NTAP | Restricted Stock Unit | Common Stock (1,793) | — | July 1, 2028 | 1,793 | Disposed |
| July 13, 2023 | NTAP | Restricted Stock Unit | Common Stock (16,058) | — | July 1, 2030 | 16,058 | Acquired |
| June 1, 2023 | NTAP | Restricted Stock Unit | Common Stock (1,250) | — | June 30, 2027 | 1,250 | Disposed |
| June 1, 2023 | NTAP | Restricted Stock Unit | Common Stock (1,000) | — | June 2, 2026 | 1,000 | Disposed |
| May 15, 2023 | NTAP | Restricted Stock Unit | Common Stock (4,189) | — | July 1, 2029 | 4,189 | Disposed |
| May 15, 2023 | NTAP | Restricted Stock Unit | Common Stock (1,794) | — | July 1, 2028 | 1,794 | Disposed |
| Feb. 15, 2023 | NTAP | Restricted Stock Unit | Common Stock (1,794) | — | July 1, 2027 | 1,794 | Disposed |
| Nov. 15, 2022 | NTAP | Restricted Stock Unit | Common Stock (1,794) | — | July 1, 2028 | 1,794 | Disposed |
| Aug. 15, 2022 | NTAP | Restricted Stock Unit | Common Stock (1,793) | — | July 1, 2028 | 1,793 | Disposed |
| July 1, 2022 | NTAP | Restricted Stock Unit | Common Stock (16,758) | — | July 1, 2029 | 16,758 | Acquired |
| July 1, 2022 | NTAP | Restricted Stock Unit | Common Stock (12,568) | — | July 1, 2029 | 12,568 | Acquired |
| June 1, 2022 | NTAP | Restricted Stock | Common Stock (1,250) | — | July 1, 2027 | 1,250 | Disposed |
| June 1, 2022 | NTAP | Restricted Stock | Common Stock (1,000) | — | June 3, 2026 | 1,000 | Disposed |
| June 1, 2022 | NTAP | Restricted Stock Unit | Common Stock (875) | — | June 1, 2025 | 875 | Disposed |
| May 15, 2022 | NTAP | Restricted Stock Unit | Common Stock (7,175) | — | July 1, 2028 | 7,175 | Disposed |
| May 15, 2022 | NTAP | Restricted Stock Unit | Common Stock (7,175) | — | July 1, 2028 | 7,175 | 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 |
|---|---|---|---|---|
| Feb. 15, 2022 | NTAP | Common Stock | 331 | Direct |
| Feb. 15, 2022 | NTAP | Restricted Stock Unit→ Common Stock (875) | 875 | Direct |
| Feb. 15, 2022 | NTAP | Restricted Stock Unit→ Common Stock (2,000) | 2,000 | Direct |
| Feb. 15, 2022 | NTAP | Restricted Stock Unit→ Common Stock (3,750) | 3,750 | Direct |
| Feb. 15, 2022 | NTAP | Restricted Stock Unit→ Common Stock (28,700) | 28,700 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2026 | $715,000 | — | — | — | $703,918 | — | $7,133 | $6,601,574 |
| 2025 | $554,904 | — | — | — | $544,361 | — | $6,930 | $5,407,550 |
| 2023 | $500,000 | — | — | — | $105,500 | — | $10,600 | $2,910,908 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.