Sandisk Falls 9% After Disappointing Earnings Guidance

Revelation News Editorial DeskAugust 6, 2026

Source Summary

Sandisk stock declined 9% in premarket trading on Thursday following the NAND flash chip manufacturer's disappointing guidance to investors.

Read the Source

MarketWatch ↗

NASDAQ:SNDKLive chart

Trading trends

The chart totals every SEC-reported transaction by month and share count, separating informative purchases and sales from non-informative awards, vesting, exercises, tax withholding and transfers. Records without a reported price remain included. Only informative purchases and sales affect the conservative sentiment signal.

Recent SEC-reported share and derivative transactions in Sandisk Corp.

Insider activity sentiment

Neutral

BearishNeutralBullish

0 discretionary purchases · 0 discretionary sales

Confidence: Low

Informative buyNon-informative buyInformative sellNon-informative sell

Insiders	Activity	Description	Shares	Avg. price / share	Est. value	Trade date
Chief Legal Officer and SectyShek Bernard	Non-informative sell	Common StockTax or exercise-price withholding (F)	322	—	—	Oct 20, 2026
Chief Legal Officer and SectyShek Bernard	Non-informative sell	Common StockReported 10b5-1 plan (S)	600	$1,734.94	$1,040,964	Oct 1, 2026
Chief Legal Officer and SectyShek Bernard	Non-informative sell	Common StockTax or exercise-price withholding (F)	118	—	—	Sep 20, 2026
Chairman & CEOGoeckeler David	Non-informative sell	Common StockReported 10b5-1 plan (S)	40	$1,567.2555	$62,690	Sep 17, 2026
Chairman & CEOGoeckeler David	Non-informative sell	Common StockReported 10b5-1 plan (S)	9,604	$1,568.9988	$15,068,664	Sep 17, 2026

As filed with the SEC. Estimated value is shown only for purchases or sales with a positive reported transaction price; awards, gifts and similar activity are not assigned an assumed market value. Amendments may change the record. This is not investment advice.

Short interest

Open short positions reported twice monthly; this is not daily short-sale volume.

Earnings

Recent reported earnings per share compared with the analyst consensus available from Nasdaq.

Comments

No published comments yet.

Owner	Activity	Change	Shares held	Value (thousands)	Reported
Vanguard Group Inc	Sell	-584,907 (-3.331%)	16,976,485	$21,406,159	12/31/2025
Blackrock, Inc.	Sell	-108,155 (-1.04%)	10,295,300	$12,981,653	6/30/2026
Vanguard Capital Management Llc	Buy	142,136 (1.492%)	9,668,255	$12,190,993	6/30/2026
Fmr Llc	Sell	-5,528,320 (-41.287%)	7,861,665	$9,913,009	6/30/2026
State Street Corp	Buy	353,601 (6.344%)	5,927,453	$7,474,103	6/30/2026
Invesco Ltd.	Buy	4,445,122 (381.482%)	5,610,346	$7,074,254	6/30/2026
Jpmorgan Chase & Co	Buy	2,512,574 (175.844%)	3,941,436	$4,969,875	6/30/2026
Geode Capital Management, Llc	Sell	-621,273 (-14.747%)	3,591,499	$4,528,629	6/30/2026
Vanguard Portfolio Management Llc	Sell	-60,550 (-1.693%)	3,515,937	$4,433,350	6/30/2026
Clear Street Group Inc.	Buy	1,758,809 (143.625%)	2,983,392	$3,761,848	6/30/2026
Situational Awareness Lp	Buy	1,355,225 (118.867%)	2,495,344	$3,146,454	6/30/2026
Morgan Stanley	Sell	-438,641 (-15.448%)	2,400,851	$3,027,305	6/30/2026

Settlement date	Short interest	Avg. daily volume	Change vs. previous report	Days to cover
Sep 30, 2026	4,819,278	8,938,814	-14.22%	1.00
Sep 15, 2026	5,618,213	9,998,178	-6.30%	1.00
Aug 31, 2026	5,996,105	12,961,159	-21.89%	1.00
Aug 14, 2026	7,676,558	15,207,988	+12.49%	1.00
Jul 31, 2026	6,823,953	18,073,238	-13.16%	1.00
Jul 15, 2026	7,857,690	12,970,416	+9.17%	1.00
Jun 30, 2026	7,197,631	11,850,362	-34.04%	1.00
Jun 15, 2026	10,911,306	11,014,453	—	1.00

Fiscal quarter	Reported	EPS	Consensus	Surprise
Jun 2026	Aug 5, 2026	38.82	33.28	+16.65%
Mar 2026	Apr 30, 2026	23.22	14.17	+63.87%
Dec 2025	Jan 29, 2026	5.83	3.31	+76.13%
Sep 2025	Nov 6, 2025	0.90	0.58	+55.17%

Source Summary

Read the Source

NASDAQ:SNDK — Live chart

Insider activity sentiment

Comments

Related stories

Zscaler Stock Rises on Earnings Beat and Upbeat Guidance

Leroy Seafood raises Wild Catch guidance despite Q2 earnings drop

Nvidia shares rise after earnings beat estimates, guides to $108 billion in next-quarter revenue

Comments

Insider activity sentiment

NASDAQ:SNDKLive chart