Latest filingAug 19, 2026Most recent Form 4
NTAP
NetApp, Inc.
NasdaqTechnologyComputer Storage Devices
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$53.3M4 sells
Net open-market-$53.3M6 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period30transactions
- M · Option exercise · dominant20 · 67%
- F · Tax withholding6 · 20%
- S · Open-market sells4 · 13%
Activity by reported role
A joint filing can contribute to multiple roles46transactions
- EVP · dominant11 · 24%
- CAO10 · 22%
- PRES9 · 20%
- Chief executive officer5 · 11%
- SVP5 · 11%
- Chief financial officer3 · 7%
- CPO3 · 7%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (6)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeCernuda CesarCommon Shares · Direct
47,946Aug 17, 2026
Kurian GeorgeRestricted Stock Unit · Direct
13,995Aug 15, 2026
De Lorenzo DanielRestricted Stock Unit · Direct
439Aug 15, 2026
O'Callahan Elizabeth MRestricted Stock Unit · Direct
4,899Aug 15, 2026
Cernuda CesarRestricted Stock Unit · Direct
5,269Aug 15, 2026
Nair SyamCommon Shares · Direct
36,694Aug 15, 2026
Kurian GeorgeCommon Shares · Direct
358,537Aug 15, 2026
De Lorenzo DanielCommon Shares · Direct
1,833Aug 15, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- NS-$3.4M
- CC-$957.6k
- KG-$782.4k
- OM-$300.9k
- JG-$140.2k
Recent filing activity
Most recent 12 transactions · color = transaction code- SSell08/19-$2.06MSEC
- SSell08/19-$16.8MSEC
- SSell08/19-$10.1MSEC
- SSell08/19-$24.2MSEC
- MOption exercise08/18—SEC
- MOption exercise08/18—SEC
- MOption exercise08/18—SEC
- FTax withholding08/18-$42.4MSEC
- MOption exercise08/18—SEC
- MOption exercise08/18—SEC
- FTax withholding08/18-$14.0MSEC
- MOption exercise08/18—SEC
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
NTAP transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| NTAP | CERNUDA CESAR | PRES | sale10b5-1 | 100 | -$2.06M | S | −5.8% | 08/19 | 08/17 | |
| NTAP | CERNUDA CESAR | PRES | sale10b5-1 | 821 | -$16.8M | S | −5.8% | 08/19 | 08/17 | |
| NTAP | CERNUDA CESAR | PRES | sale10b5-1 | 495 | -$10.1M | S | −5.8% | 08/19 | 08/17 | |
| NTAP | CERNUDA CESAR | PRES | sale10b5-1 | 1.19k | -$24.2M | S | −5.8% | 08/19 | 08/17 | |
| NTAP | CERNUDA CESAR | PRES | exercise | 1.44k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | CERNUDA CESAR | PRES | exercise | 1.19k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | CERNUDA CESAR | PRES | exercise | 1.75k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | CERNUDA CESAR | PRES | withholding | 2.06k | -$42.4M | F | −10.5% | 08/18 | 08/15 | |
| NTAP | CERNUDA CESAR | PRES | exercise | 4.40k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | JABRE WISSAM G | EVPCFO | exercise | 1.35k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | JABRE WISSAM G | EVPCFO | withholding | 684 | -$14.0M | F | −10.5% | 08/18 | 08/15 | |
| NTAP | JABRE WISSAM G | EVPCFO | exercise | 1.35k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | O'Callahan Elizabeth M | EVPCAO | exercise | 1.20k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | O'Callahan Elizabeth M | EVPCAO | exercise | 699 | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | O'Callahan Elizabeth M | EVPCAO | exercise | 1.00k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | O'Callahan Elizabeth M | EVPCAO | withholding | 1.46k | -$30.0M | F | −10.5% | 08/18 | 08/15 | |
| NTAP | O'Callahan Elizabeth M | EVPCAO | exercise | 2.90k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | De Lorenzo Daniel | SVPCAO | exercise | 421 | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | De Lorenzo Daniel | SVPCAO | exercise | 175 | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | De Lorenzo Daniel | SVPCAO | exercise | 147 | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | De Lorenzo Daniel | SVPCAO | withholding | 266 | -$5.45M | F | −10.5% | 08/18 | 08/15 | |
| NTAP | De Lorenzo Daniel | SVPCAO | exercise | 743 | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | Kurian George | CEO | exercise | 2.68k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | Kurian George | CEO | exercise | 1.99k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | Kurian George | CEO | exercise | 2.88k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | Kurian George | CEO | withholding | 3.81k | -$78.2M | F | −10.5% | 08/18 | 08/15 | |
| NTAP | Kurian George | CEO | exercise | 7.56k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | Nair Syam | EVPCPO | exercise | 42.7k | — | M | −10.5% | 08/18 | 08/15 | |
| NTAP | Nair Syam | EVPCPO | withholding | 16.8k | -$344M | F | −10.5% | 08/18 | 08/15 | |
| NTAP | Nair Syam | EVPCPO | exercise | 42.7k | — | M | −10.5% | 08/18 | 08/15 |
NetApp, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at NetApp, Inc.?
CERNUDA CESAR, JABRE WISSAM G, O'Callahan Elizabeth M, De Lorenzo Daniel, Kurian George, Nair Syam.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Cernuda Cesar reported a sale on Aug 17, 2026 valued at $2.06M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $533,289.92. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.