SEC Form 4 · accession 0001242648-26-000028

Sandisk Corp · SNDK

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Alper Ilkbahar

Officer — EVP & Chief Technology Officer

Period of report

Sep 3, 2026

Accepted (ET)

Sep 8, 2026 · 8:49 pm EDT

Rule 10b5-1 plan

yes — trade under a plan

Issuer CIK

0002023554

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Sep 3, 2026	S	40	$1,513.23	D	48,806	D
Common Stock^F2	Sep 3, 2026	S	80	$1,515.045	D	48,726	D
Common Stock^F3	Sep 3, 2026	S	52	$1,517.6823	D	48,674	D
Common Stock^F4	Sep 3, 2026	S	68	$1,519.2312	D	48,606	D
Common Stock^F5	Sep 3, 2026	S	80	$1,520.93	D	48,526	D
Common Stock	Sep 3, 2026	S	40	$1,522.10	D	48,486	D
Common Stock^F6	Sep 3, 2026	S	80	$1,523.605	D	48,406	D
Common Stock^F7	Sep 3, 2026	S	80	$1,526.81	D	48,326	D
Common Stock	Sep 3, 2026	S	40	$1,527.58	D	48,286	D
Common Stock^F8	Sep 3, 2026	S	80	$1,529.705	D	48,206	D
Common Stock^F9	Sep 3, 2026	S	80	$1,530.52	D	48,126	D
Common Stock	Sep 3, 2026	S	40	$1,532.02	D	48,086	D
Common Stock^F10	Sep 3, 2026	S	120	$1,533.69	D	47,966	D
Common Stock^F11	Sep 3, 2026	S	80	$1,534.48	D	47,886	D
Common Stock^F12	Sep 3, 2026	S	80	$1,535.655	D	47,806	D
Common Stock^F13	Sep 3, 2026	S	160	$1,537.4875	D	47,646	D
Common Stock^F14	Sep 3, 2026	S	80	$1,538.41	D	47,566	D
Common Stock^F15	Sep 3, 2026	S	80	$1,539.61	D	47,486	D
Common Stock^F16	Sep 3, 2026	S	80	$1,541.005	D	47,406	D
Common Stock^F17	Sep 3, 2026	S	80	$1,542.675	D	47,326	D
Common Stock^F18	Sep 3, 2026	S	2,594	$1,543.7634	D	44,732	D
Common Stock^F19	Sep 3, 2026	S	80	$1,546.02	D	44,652	D
Common Stock^F20	Sep 3, 2026	S	80	$1,547.46	D	44,572	D
Common Stock	Sep 3, 2026	S	40	$1,548.85	D	44,532	D
Common Stock	Sep 3, 2026	S	40	$1,550.48	D	44,492	D
Common Stock^F21	Sep 3, 2026	S	120	$1,553.35	D	44,372	D
Common Stock	Sep 3, 2026	S	40	$1,554.02	D	44,332	D
Common Stock^F22	Sep 3, 2026	S	78	$1,555.5677	D	44,254	D
Common Stock^F23	Sep 3, 2026	S	80	$1,557.785	D	44,174	D
Common Stock	Sep 3, 2026	S	40	$1,558.90	D	44,134	D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026.
F10Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1533.17 to a high of $1534.14. 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.
F11Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1534.17 to a high of $1534.79. 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.
F12Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1535.28 to a high of $1536.03. 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.
F13Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1537.18 to a high of $1537.90. 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.
F14Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1538.34 to a high of $1538.48. 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.
F15Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1539.46 to a high of $1539.76. 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.
F16Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1540.85 to a high of $1541.16. 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.
F17Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1542.65 to a high of $1542.70. 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.
F18Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1543.75 to a high of $1544.62. 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.
F19Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1545.94 to a high of $1546.10. 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.
F2Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1514.89 to a high of $1515.20. 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.
F20Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1547.04 to a high of $1547.88. 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.
F21Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1552.99 to a high of $1553.86. 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.
F22Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1555.48 to a high of $1555.66. 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.
F23Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1557.62 to a high of $1557.95. 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.
F3Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1517.68 to a high of $1517.69. 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.
F4Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1518.79 to a high of $1519.54. 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.
F5Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1520.47 to a high of $1521.39. 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.
F6Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1523.40 to a high of $1523.81 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.
F7Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1526.57 to a high of $1527.05. 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.
F8Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1529.22 to a high of $1530.19. 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.
F9Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1530.45 to a high of $1530.59. 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.