Here are the Form 4 insider transactions from Sandisk Corporation (SNDK) in our archive over the last 12 months, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow SNDK and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full SNDK filings page.
Sandisk Corp Chairman & CEO David Goeckeler reported two tax-related share dispositions under Rule 16b-3(e). A total of 2,332 shares of common stock were withheld at $649.97 per share to cover tax obligations upon vesting. He continues to hold 515,372 shares directly.
Sandisk Corp EVP and Chief Technology Officer Alper Ilkbahar reported tax-related share dispositions under a Form 4. On February 20 and February 21, common stock was withheld to satisfy tax obligations tied to vesting, covering 122 and 223 shares respectively at $649.97 per share.
These were coded as Form 4 transaction type F, described as payment of tax liability by delivering securities, rather than open-market sales. After these withholding transactions, Ilkbahar directly owned 58,628 shares of Sandisk common stock.
Sandisk Corp's Chief Legal Officer and Secretary, Bernard Shek, reported a small insider transaction involving company common stock. On January 20, 2026, 34 shares of Sandisk common stock were withheld at a reported price of $453.12 per share. According to the footnote, this withholding was used to pay tax obligations that arose when previously granted stock vested, in line with Rule 16b-3(e), rather than being an open-market sale.
After this tax-related withholding, Bernard Shek beneficially owned 33,852 shares of Sandisk common stock held directly. The filing reflects routine equity compensation and associated tax settlement activity for a senior officer, not a discretionary trade in the open market.
SanDisk Corp’s Chief Legal Officer and Secretary, Bernard Shek, reported an insider stock transaction. On 12/20/2025, he had 117 shares of common stock withheld at a price of $237.61 per share, coded as an "F" transaction, meaning shares were withheld to cover tax obligations related to vesting. After this tax withholding, Shek directly owned 33,886 shares of SanDisk common stock.
SanDisk Corp (SNDK) executive Luis F. Visoso, EVP and Chief Financial Officer, reported an automatic share withholding related to equity compensation. On 11/21/2025, 1,588 shares of common stock were disposed of at $200.27 per share, coded as transaction type “F,” which reflects shares withheld to cover tax obligations. After this tax-related withholding, Visoso beneficially owns 168,240 shares of SanDisk common stock in direct ownership. The explanation clarifies that the shares were withheld to pay taxes upon vesting of securities under Rule 16b-3(e), meaning this reflects tax settlement rather than an open-market sale.
Sandisk Corp (SNDK) reported a Form 4 for its Chief Legal Officer & Secretary, Bernard Shek, covering small stock dispositions tied to tax withholding. On 11/20/2025, 109 shares of common stock were disposed of at $195.96, leaving 34,321 shares beneficially owned directly. On 11/21/2025, a further 107 shares were disposed of at $200.27, leaving 34,214 shares held directly.
The filing explains that these transactions reflect payment of tax obligations by withholding shares as they vested under Rule 16b-3(e), rather than open-market selling for investment purposes.
SanDisk Corp (SNDK) insider Form 4 filing reports a routine share withholding transaction by officer Michael Pokorny, who serves as VP and Chief Accounting Officer. On 11/20/2025, 821 shares of common stock were disposed of at a price of $195.96 per share, identified with transaction code “F,” which indicates shares withheld to cover tax obligations.
After this tax-related withholding, Pokorny beneficially owned 26,250 shares of SanDisk common stock in direct ownership. The filing notes that the transaction represents payment of tax obligations by withholding securities upon the vesting of equity awards under Rule 16b-3(e), rather than an open-market sale.
SanDisk Corp (SNDK) filed a Form 4 reporting routine tax-related stock withholding by its Chief Executive Officer and director. On 11/20/2025, 1,299 shares of common stock were disposed of at $195.96 per share, and on 11/21/2025, 1,032 shares were disposed of at $200.27 per share. Both transactions are coded "F," indicating shares withheld to satisfy tax obligations tied to vesting equity awards under Rule 16b-3(e).
After these transactions, the reporting person directly beneficially owned 520,305 shares following the first withholding and 519,273 shares following the second. The filing characterizes the activity as payment of tax obligations by withholding securities, rather than an open-market sale initiated for investment purposes.
Sandisk Corp (SNDK) executive Alper Ilkbahar reported tax-related share withholding transactions. As EVP and Chief Technology Officer, he had 162 shares of common stock withheld on 11/20/2025 at $195.96 per share and 319 shares withheld on 11/21/2025 at $200.27 per share. These disposals were coded as "F," meaning they were used to pay tax obligations tied to vesting equity awards under Rule 16b-3(e). After these transactions, he beneficially owned 59,945 shares and then 59,626 shares, all held directly.
SanDisk Corp (SNDK) director reports insider equity transactions. On 11/17/2025, the reporting person had 2,213 shares of common stock withheld (coded "F") at $265.88 per share to cover tax obligations tied to vesting under Rule 16b-3(e). After this withholding, the director directly owned 12,428 shares of SanDisk common stock.
On 11/18/2025, the director received a grant of 979 restricted stock units, each representing a contingent right to receive one share of SanDisk common stock at no cash cost to the director. Following this grant, the director directly beneficially owned 13,407 shares of common stock.
Sandisk Corp (SNDK) reported an equity award to a director. A board member received a grant of 979 shares of Sandisk common stock on 11/18/2025 in the form of restricted stock units, each representing a contingent right to one share of common stock. The award was reported as acquired at a price of $0.0 and brought the director's total beneficial ownership to 4,750 shares held directly.
SanDisk Corp (SNDK) reported an insider equity award for director Necip Sayiner on a Form 4. On 11/18/2025, he received 979 restricted stock units, each representing a contingent right to receive one share of SanDisk common stock. The transaction price is listed as $0.0, indicating this is an equity compensation grant rather than an open‑market purchase.
Following this grant, Sayiner’s beneficial ownership in SanDisk common stock is reported as 4,750 shares, held directly. No derivative securities were reported in Table II, underscoring that this filing focuses on the new restricted stock unit award and its impact on his direct common stock holdings.
SanDisk Corp (SNDK) director Thomas Caulfield reported a routine equity grant. On 11/18/2025, he received 979 shares of SanDisk common stock in the form of restricted stock units. The filing notes that each restricted stock unit represents a contingent right to receive one share of common stock, meaning the shares vest over time or upon specified conditions rather than being immediately transferable.
Following this grant, Caulfield beneficially owns 16,812 shares of SanDisk common stock in direct ownership. The transaction price is listed as $0.0 because it reflects an equity award granted by the company, not an open-market purchase. No derivative securities transactions were reported in this filing.
SanDisk Corp (SNDK) reported an equity award to one of its directors. On 11/18/2025, the reporting person received 1,143 shares of SanDisk common stock in the form of restricted stock units. The filing notes that each restricted stock unit represents a contingent right to receive one share of common stock, meaning the shares will typically be delivered after vesting conditions are met.
After this grant, the director beneficially owns 4,914 shares of SanDisk common stock, held directly. The transaction was reported on a Form 4 filed by a single reporting person and reflects routine equity-based compensation for board service rather than an open-market purchase or sale.
Sandisk Corp (SNDK) reported an equity award to one of its directors. On 11/18/2025, the reporting person received 979 restricted stock units, each representing a contingent right to receive one share of Sandisk common stock, at a stated price of $0.0 per unit, reflecting a standard stock-based compensation grant rather than a market purchase.
After this grant, the director beneficially owns 4,769 shares of Sandisk common stock. This total includes 19 shares of Sandisk common stock received in connection with the spin-off from Western Digital Corporation, which were previously omitted from an earlier ownership report and are now reflected in the updated total.