Insider trade

CEO sold ~$481K of SNDK shares in the open market

Traded Sep 17, 2026 · Filed Sep 21, 2026

SandiskSNDK

~$481K
Reported value · 306 sh @ $1,573.1541: 400K
Holds after · shares reported: +10.7%
stock since the trade · S&P 500 +0.2%, $1,614.39 → $1,787.69 on Oct 1

Why it stands out

The boss of Sandisk sold $481K of Sandisk shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Sep 17, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 21, 2026

CEO$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$481,385

Shares × reported transaction price

Timing vs results

43 days after results of Aug 5, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $1,614.39 on Sep 17, 2026, 1612% above its 52-week low and 31% below its high, after a 20% rise over the previous 30 trading days

52-week range $94.29 (Sep 25, 2025) to $2,335.00 (Jun 25, 2026), 68% of the way up, from 251 adjusted closes. 30 trading days earlier: $1,350.50 on Aug 5, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-8.3%	-1.2%	-7.1%

Past results only. Not a forecast.

Source receipt

Record ID: 0001242648-26-000041
Filed / recorded: Sep 21, 2026, 10:03 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: Sandisk Corp
Issuer CIK: 2023554
Ticker: SNDK
Reporting person: David Goeckeler
Relationship: Director, Officer
Officer title: Chairman & CEO
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Sep 17, 2026
Transaction code: S
Shares / units: 306
Price per share: $1,573.1541
Acquired / disposed: Disposed (D)
Shares owned after: 400,131
Ownership form: Direct
Amendment: No

Footnotes from the filing

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026.
Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1572.92 to a high of $1573.71. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Around the same time

Officer sold ~$1.04M of Sandisk

Scheduled in advance2d ago

2w ago

458Shares

Compensation award — excluded from discretionary-purchase analysis.

Why it stands out Official record

2w ago

1,635Shares

Compensation award — excluded from discretionary-purchase analysis.

Why it stands out Official record