Transaction · 0001363249-26-000066

Ilkbahar Alper

Ilkbahar Alper, EVP, CTO, reported a transaction classified as exercise at Sandisk Corp involving 276.000000 shares for an estimated $0.00. Reported holdings after the transaction were 50259.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MEVP, CTO
SNDKSandisk Corp
Filing timeAug 24
Trade dateAug 20, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$1,493.12
Pre-filing
1mo ago +6.4%1w ago +2.3%1d ago +5.1%
Returns since
7d +1.0%30d +1.0%90d +1.0%180d +1.0%1y +1.0%

SNDK price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
SNDK since 2026-08-24Filed 10 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001363249-26-000066
Common Stock
Transaction date
Aug 20, 2026
Filed Aug 24, 2026, 09:50 PM · 4d delay
Shares
276 sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
50.2k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP, Chief Technology Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The reported transaction reflects the conversion of performance stock units to shares solely for the purpose of satisfying FICA tax withholding obligations as a result of the Reporting Person's retire…

  2. F2

    Represents shares withheld to satisfy the reporting person's tax withholding obligation in connection with the transaction described in Footnote (1) and is exempt pursuant to Rule 16b-3(e).

  3. F3

    Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

Original filing · 0001363249-26-000066
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