DIMETRICS
S
SanDisk Corporation
SNDK · Memory
$1,615.00
-142.82 (-8.12%)
As of Jul 15, 2026 close
Insider Activity — Trailing 6 Months
Open-Market Buys
0
$0.0 · 0 lines · 0 insiders
Open-Market Sells
6
$12.4M · 8 lines · 10b5-1: 2/8
Net Shares (6M)
-10K
-0.01% of shares out
Active Insiders
8
5 officers · 3 directors
Latest Form 4
Jul 2
Shek Bernard · Sell · $1.3M
Price & Insider Transactions
Marker size ∝ transaction value
Closing priceBuySell
Transactions
Sortable · open-market, awards & exercises
Type
Price
Held After
Filed
Shek Bernard
Chief Legal Officer & Secty
Sell10b5-1
-600
-1.9% of holdings
$2,088.00
$1.3M
31,515
Jul 1, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-117
tax withholding (F)
$2,184.75
$255.6K
32,115
Jun 20, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell10b5-1
-600
-1.8% of holdings
$1,736.00
$1.0M
32,232
Jun 3, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
Gift
-2,694
-5.1% of holdings
$0.00
$0.0
49,983
Jun 2, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
3 lots
Sell
-2,000
-3.7% of holdings
avg $1,756.58
$3.5M
52,677
Jun 1, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-653
tax withholding (F)
$1,478.69
$965.6K
54,677
May 25, 2026
Goeckeler David
Chairman and CEO
Sell
-1,569
tax withholding (F)
$1,478.69
$2.3M
509,903
May 25, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-211
tax withholding (F)
$1,478.69
$312.0K
32,832
May 25, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-319
tax withholding (F)
$1,542.24
$492.0K
55,330
May 21, 2026
Goeckeler David
Chairman and CEO
Sell
-1,032
tax withholding (F)
$1,542.24
$1.6M
511,472
May 21, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-107
tax withholding (F)
$1,542.24
$165.0K
33,043
May 21, 2026
Visoso Luis Felipe
EVP and Chief Financial Office
Sell
-1,588
tax withholding (F)
$1,542.24
$2.4M
165,058
May 21, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-162
tax withholding (F)
$1,392.56
$225.6K
55,649
May 20, 2026
Goeckeler David
Chairman and CEO
Sell
-1,299
tax withholding (F)
$1,392.56
$1.8M
512,504
May 20, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-109
tax withholding (F)
$1,392.56
$151.8K
33,150
May 20, 2026
Caulfield Thomas
Gift
-9,666
-66.7% of holdings
$0.00
$0.0
4,834
May 12, 2026
Pokorny Michael
VP, Chief Accounting Officer
Sell
-2,446
-9.9% of holdings
$1,426.18
$3.5M
22,375
May 12, 2026
Pokorny Michael
VP, Chief Accounting Officer
Sell
-1,429
tax withholding (F)
$1,562.34
$2.2M
24,821
May 9, 2026
Sayiner Necip
Sell
-579
-16.6% of holdings
$1,503.11
$870.3K
2,900
May 8, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-2,251
tax withholding (F)
$913.02
$2.1M
55,811
Apr 20, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-41
tax withholding (F)
$913.02
$37.4K
33,259
Apr 20, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-117
tax withholding (F)
$709.71
$83.0K
33,300
Mar 20, 2026
Caulfield Thomas
Gift
+14,500
new
$0.00
$0.0
14,500
Mar 3, 2026
Caulfield Thomas
Gift
-14,500
-86.2% of holdings
$0.00
$0.0
2,312
Mar 3, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-566
tax withholding (F)
$632.38
$357.9K
58,062
Feb 25, 2026
Goeckeler David
Chairman & CEO
Sell
-1,569
tax withholding (F)
$632.38
$992.2K
513,803
Feb 25, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-211
tax withholding (F)
$632.38
$133.4K
33,417
Feb 25, 2026
Suzuki Miyuki
Sell
-3,500
-26.1% of holdings
$627.53
$2.2M
9,907
Feb 25, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-223
tax withholding (F)
$649.97
$144.9K
58,628
Feb 21, 2026
Goeckeler David
Chairman & CEO
Sell
-1,032
tax withholding (F)
$649.97
$670.8K
515,372
Feb 21, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-107
tax withholding (F)
$649.97
$69.5K
33,628
Feb 21, 2026
Visoso Luis Felipe
EVP and CFO
Sell
-1,594
tax withholding (F)
$649.97
$1.0M
166,646
Feb 21, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-122
tax withholding (F)
$649.97
$79.3K
58,851
Feb 20, 2026
Goeckeler David
Chairman & CEO
Sell
-1,300
tax withholding (F)
$649.97
$845.0K
516,404
Feb 20, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-117
tax withholding (F)
$649.97
$76.0K
33,735
Feb 20, 2026
Shek Bernard
Chief Legal Officer & Secty
Sell
-34
tax withholding (F)
$453.12
$15.4K
33,852
Jan 20, 2026
Bradley Alexander R.
Award
+863
RSU grant (A)
863
Dec 30, 2025
Shek Bernard
Chief Legal Officer & Secty
Sell
-117
tax withholding (F)
$237.61
$27.8K
33,886
Dec 20, 2025
Sayiner Necip
Sell
-1,271
-26.8% of holdings
$195.14
$248.0K
3,479
Dec 3, 2025
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-653
tax withholding (F)
$220.50
$144.0K
58,973
Nov 25, 2025
Goeckeler David
Chief Executive Officer
Sell
-1,569
tax withholding (F)
$220.50
$346.0K
517,704
Nov 25, 2025
Shek Bernard
Chief Legal Officer & Secty
Sell
-211
tax withholding (F)
$220.50
$46.5K
34,003
Nov 25, 2025
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-319
tax withholding (F)
$200.27
$63.9K
59,626
Nov 21, 2025
Goeckeler David
Chief Executive Officer
Sell
-1,032
tax withholding (F)
$200.27
$206.7K
519,273
Nov 21, 2025
Shek Bernard
Chief Legal Officer & Secty
Sell
-107
tax withholding (F)
$200.27
$21.4K
34,214
Nov 21, 2025
Visoso Luis Felipe
EVP and Chief Financial Office
Sell
-1,588
tax withholding (F)
$200.27
$318.0K
168,240
Nov 21, 2025
Ilkbahar Alper
EVP, Chief Technology Officer
Sell
-162
tax withholding (F)
$195.96
$31.7K
59,945
Nov 20, 2025
Goeckeler David
Chief Executive Officer
Sell
-1,299
tax withholding (F)
$195.96
$254.6K
520,305
Nov 20, 2025
Pokorny Michael
VP, Chief Accounting Officer
Sell
-821
tax withholding (F)
$195.96
$160.9K
26,250
Nov 20, 2025
Shek Bernard
Chief Legal Officer & Secty
Sell
-109
tax withholding (F)
$195.96
$21.4K
34,321
Nov 20, 2025
Page 1 of 3
Net Insider Activity by Quarter
Most Active Insiders — Trailing 12 Months
Goeckeler David
Chief Executive Officer
1
13
+31,651
$-10.9M
May 25, 2026
Ilkbahar Alper
EVP, Chief Technology Officer
1
17
+13,011
$-8.2M
Jun 2, 2026
Pokorny Michael
VP, Chief Accounting Officer
1
3
+8,332
$-5.9M
May 12, 2026
Visoso Luis Felipe
EVP and Chief Financial Office
1
5
+10,313
$-5.2M
May 21, 2026
Shek Bernard
Chief Legal Officer & Secty
1
23
+14,063
$-3.8M
Jul 1, 2026
Suzuki Miyuki
1
2
-4,734
$-2.8M
Feb 25, 2026
Sayiner Necip
1
2
-871
$-1.1M
May 8, 2026
Bradley Alexander R.
1
0
+863
+$0.0
Dec 30, 2025
Parsed from SEC Form 4 filings via EDGAR. Open-market transactions (codes P/S) shown with awards, exercises and withholding for context; 10b5-1 tag indicates a pre-planned trade. Same-day lots by one insider consolidated; each row links to the filing index. Updated daily.