Updated Jul 16, 2026 · Last SEC filing 2026-07-14
NetApp, Inc. (NTAP) has filed 24 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-14. 1 Form 8-K material event filings were reported by NTAP in the last 90 days. 7 Form 144 notices of proposed sale were filed for NTAP stock. InsiderAlpha tracks every NTAP SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Computer Storage Devices (SIC 3572) |
|---|---|
| SEC CIK | 0001002047 |
| Form 4 filings (90d) | 24 |
|---|---|
| Form 8-K filings (90d) | 1 |
| Form 144 notices (90d) | 7 |
| Latest Form 4 filing | 2026-07-14 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| O'Callahan Elizabeth M | EVP, Chief Admin. Officer | S — Open-market sale [10b5-1] | 1.0K | $170.92 | $171K | SEC | |
| CERNUDA CESAR | President | S — Open-market sale | 13.3K | $155.94 | $2.07M | SEC | |
| CERNUDA CESAR | President | S — Open-market sale | 15.6K | $155.29 | $2.42M | SEC | |
| CERNUDA CESAR | President | S — Open-market sale | 14.9K | $154.01 | $2.30M | SEC | |
| CERNUDA CESAR | President | S — Open-market sale | 5.6K | $153.00 | $861K | SEC | |
| O'Callahan Elizabeth M | EVP, Chief Admin. Officer | S — Open-market sale | 1.0K | $163.48 | $163K | SEC | |
| HELD GERALD | Insider | S — Open-market sale | 7.1K | $180.00 | $1.28M | SEC | |
| De Lorenzo Daniel | VP, Controller & CAO | S — Open-market sale | 225 | $171.09 | $38K | SEC | |
| De Lorenzo Daniel | VP, Controller & CAO | S — Open-market sale | 275 | $120.00 | $33K | SEC | |
| JABRE WISSAM G | EVP, CFO | F — Tax withholding / forfeiture | 2.7K | $119.93 | $328K | SEC | |
| Kurian George | CEO | F — Tax withholding / forfeiture | 9.3K | $119.93 | $1.12M | SEC | |
| Kurian George | CEO | M — Option exercise | 18.5K | — | — | SEC | |
| O'Callahan Elizabeth M | EVP, Chief Admin. Officer | M — Option exercise | 7.6K | — | — | SEC | |
| CERNUDA CESAR | President | F — Tax withholding / forfeiture | 5.0K | $119.93 | $604K | SEC | |
| O'Callahan Elizabeth M | EVP, Chief Admin. Officer | F — Tax withholding / forfeiture | 3.8K | $119.93 | $458K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for NetApp, Inc. (NTAP). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| CERNUDA CESAR | 15 | $11.61M |
| O'Callahan Elizabeth M | 14 | $2.23M |
| JABRE WISSAM G | 11 | $3.93M |
| Kurian George | 11 | $8.72M |
| De Lorenzo Daniel | 9 | $162K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NTAP insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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