Sandisk (SNDK) stock price ends near $650 after Western Digital stake sale — what to watch next

February 21, 2026
Sandisk (SNDK) stock price ends near $650 after Western Digital stake sale — what to watch next

NEW YORK, Feb 21, 2026, 11:33 (EST) — Market closed

  • Sandisk shares climbed for the week, with traders weighing Western Digital’s block sale and pondering the possible next moves.
  • This is a secondary offering, with current shareholders selling their stock; Sandisk itself won’t receive any proceeds.
  • Management’s round of conference appearances kicks off Feb. 25, and investors are watching closely for any new signals on demand or supply.

Sandisk Corporation (SNDK) wrapped up Friday at $649.97, a gain of 4.65%. Shares slipped 0.47% to $646.90 after the bell. U.S. markets remain closed until Monday.

The end-of-week surge stands out, as investors have been working to gauge the impact of fresh stock supply linked to Western Digital’s plan to reduce its holding in its old flash-memory business.

It’s more than a technical snag. When a heavyweight seller is in the mix, even stocks turning in solid results can come under pressure, as traders get jittery about a fresh wave of shares making it to market.

Sandisk has priced a secondary offering—5,821,135 shares are set at $545 each, all coming from Western Digital’s holdings. Sandisk itself won’t see any proceeds from the sale. The company also detailed a debt-for-equity swap: Sandisk shares will go in exchange for Western Digital debt held by affiliates of J.P. Morgan and BofA Securities. After this exchange, Western Digital’s stake drops to 1,691,884 shares, with plans to unload those as well.

Western Digital, aiming to trim its debt—which Reuters put at $4.69 billion in January—has been refocusing itself as a standalone hard-disk-drive player after spinning off Sandisk. According to Reuters, the secondary sale came at a 7.7% discount to Sandisk’s previous close, and Western Digital intends to fully exit its Sandisk stake down the line.

The sale wrapped up before the Feb. 21 tax deadline related to the separation, Barron’s noted, and Sandisk shares managed gains that day even with the extra shares hitting the market. That deadline keeps dominating attention in trading—it sets the pace for how soon Western Digital can fully step away.

Beneath it all, this still comes down to demand. “Customers prefer supply over price,” Sandisk CEO David Goeckeler said to Reuters last month, with the company citing AI data centers as a key force behind rising flash storage demand. Reuters

The immediate hurdle isn’t earnings — it’s what management says next at the mic.

Sandisk plans to send management to Bernstein’s 4th Annual TMT Forum on Feb. 25. After that, executives will appear at Morgan Stanley’s Technology, Media & Telecom Conference on March 3, then Cantor’s Global Technology & Industrial Growth Conference set for March 11.

Investors want direct talk about NAND, the flash memory business for Sandisk. Pricing, whether supply stays tight, and if customers keep paying premiums to lock in volume — all of it’s on the table. With expectations running high, a stray comment at the conference can jolt the stock.

Still, risks are obvious. A fresh batch of Western Digital shares hitting the market, whether through more selling or a share distribution, would boost supply. And the memory market is notoriously fickle—demand could fade or supply might surge faster than buyers are betting.

Next session, traders are eyeing if Sandisk can keep Friday’s move intact, while any fresh filings could reveal Western Digital’s intentions for its leftover shares. The calendar’s first set event: Sandisk’s Feb. 25 spot at the Bernstein forum.

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