STOCK TITAN

Sandisk (SNDK) CTO Ilkbahar sells 2,000 shares and gifts 2,694 more

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Sandisk Corp executive vice president and chief technology officer Alper Ilkbahar reported several common stock dispositions. On June 1, Ilkbahar sold a total of 2,000 shares in three open-market transactions at weighted average prices of $1,755.3132, $1,757.0000, and $1,758.3967 per share. On June 2, Ilkbahar made a bona fide gift of 2,694 shares of common stock to a charitable donor advised fund. Following these transactions, Ilkbahar directly owns 49,983 common shares.

Positive

  • None.

Negative

  • None.
Insider Ilkbahar Alper
Role EVP, Chief Technology Officer
Sold 2,000 shs ($3.51M)
Type Security Shares Price Value
Gift Common Stock 2,694 $0.00 --
Sale Common Stock 999 $1,755.3132 $1.75M
Sale Common Stock 401 $1,757.00 $705K
Sale Common Stock 600 $1,758.3967 $1.06M
Holdings After Transaction: Common Stock — 49,983 shares (Direct, null)
Footnotes (1)
  1. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1754.8000 to a high of $1755.6800. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1757.0000 to a high of $1757.0850. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1758.0200 to a high of $1758.8850. 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. Reflects the gift of common stock to a charitable donor advised fund.
Shares sold 2,000 shares Total common stock sold on June 1 in three transactions
First sale price $1,755.3132 per share Weighted average price for 999-share sale on June 1
Second sale price $1,757.0000 per share Weighted average price for 401-share sale on June 1
Third sale price $1,758.3967 per share Weighted average price for 600-share sale on June 1
Shares gifted 2,694 shares Common stock gifted on June 2 to charitable donor advised fund
Shares owned after 49,983 shares Direct common stock holdings following gift transaction
bona fide gift financial
"transaction_code_description: "Bona fide gift""
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
weighted average sale price financial
"Represents the weighted average sale price per share."
donor advised fund financial
"Reflects the gift of common stock to a charitable donor advised fund."
A donor advised fund is a charitable savings account you fund with cash or assets (including stocks) that lets you take an immediate tax benefit while recommending when and which charities receive grants over time. Think of it like a dedicated piggy bank for giving: you get tax relief when you put money in, can avoid selling appreciated securities and triggering capital gains, and still control the timing and recipients of donations, which affects tax planning, portfolio decisions, and public giving signals.
open-market sale financial
"transaction_action: "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
Form 4 regulatory
"These moves were disclosed in a Form 4 insider filing."
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Ilkbahar Alper

(Last)(First)(Middle)
C/O SANDISK CORPORATION
951 SANDISK DRIVE

(Street)
MILPITAS CALIFORNIA 95035

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Sandisk Corp [ SNDK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP, Chief Technology Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/01/2026S999D$1,755.3132(1)53,678D
Common Stock06/01/2026S401D$1,757(2)53,277D
Common Stock06/01/2026S600D$1,758.3967(3)52,677D
Common Stock06/02/2026G2,694(4)D$0.049,983D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1754.8000 to a high of $1755.6800. 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.
2. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1757.0000 to a high of $1757.0850. 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.
3. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1758.0200 to a high of $1758.8850. 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.
4. Reflects the gift of common stock to a charitable donor advised fund.
By: /s/ Van Huynh Attorney-in-Fact For: Alper Ilkbahar06/02/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did SNDK executive Alper Ilkbahar report?

Alper Ilkbahar reported selling 2,000 shares of Sandisk common stock in open-market transactions and gifting 2,694 shares to a charitable donor advised fund. These moves were disclosed in a Form 4 insider filing.

At what prices did Alper Ilkbahar sell SNDK shares?

Ilkbahar sold Sandisk common stock in three blocks at weighted average prices of $1,755.3132, $1,757.0000, and $1,758.3967 per share. Footnotes state each block comprised multiple trades within narrow price ranges.

How many SNDK shares did Alper Ilkbahar gift to charity?

Ilkbahar made a bona fide gift of 2,694 Sandisk common shares. A footnote explains the gift was to a charitable donor advised fund, indicating a non-market transfer rather than an open-market sale.

How many SNDK shares does Alper Ilkbahar own after these transactions?

After the reported sales and the charitable gift, Ilkbahar directly owns 49,983 shares of Sandisk common stock. This figure reflects his remaining direct holdings as disclosed in the Form 4 filing.

Are Alper Ilkbahar’s SNDK stock sales classified as open-market transactions?

Yes. The Form 4 identifies the three sale transactions as open-market or private sales, reported under transaction code “S.” Footnotes describe them using weighted average sale prices across multiple individual trades.