SNDK Insider Activity

View recent SEC Form 4 insider transactions for SNDK, including purchases, sales, option exercises, and other insider filings.

DateInsiderTypeQuantityPriceTotal ValueShares Owned
Sep 08, 2026Shek BernardSale2,308$1,767.33$4,078,997.6425,305
Sep 03, 2026Goeckeler DavidTax Withheld10,540$1,554.99$16,389,594.60447,248
Sep 03, 2026Ilkbahar AlperTax Withheld3,244$1,554.99$5,044,387.5640,490
Sep 03, 2026Ilkbahar AlperSale120$1,533.69$184,042.8047,966
Sep 03, 2026Ilkbahar AlperSale40$1,513.23$60,529.2048,806
Sep 03, 2026Ilkbahar AlperSale80$1,515.05$121,203.6048,726
Sep 03, 2026Ilkbahar AlperSale52$1,517.68$78,919.4848,674
Sep 03, 2026Ilkbahar AlperSale68$1,519.23$103,307.7248,606
Sep 03, 2026Ilkbahar AlperSale160$1,537.49$245,998.0047,646
Sep 03, 2026Ilkbahar AlperSale2,594$1,543.76$4,004,522.2644,732
Sep 03, 2026Ilkbahar AlperSale78$1,555.57$121,334.2844,254
Sep 03, 2026Ilkbahar AlperSale120$1,561.69$187,402.8044,014
Sep 03, 2026Ilkbahar AlperSale200$1,563.68$312,736.8043,814
Sep 03, 2026Ilkbahar AlperSale40$1,564.40$62,576.0043,774
Sep 03, 2026Pokorny MichaelTax Withheld1,283$1,554.99$1,995,052.1721,092
Sep 03, 2026Shek BernardTax Withheld2,271$1,554.99$3,531,382.2927,613
Sep 03, 2026Visoso Luis FelipeTax Withheld5,838$1,554.99$9,078,031.62131,976
Sep 01, 2026Shek BernardSale600$1,525.60$915,360.0029,884
Aug 25, 2026Goeckeler DavidTax Withheld49,782$1,480.77$73,715,692.14457,788
Aug 25, 2026Ilkbahar AlperTax Withheld654$1,480.77$968,423.5848,846
Aug 25, 2026Shek BernardTax Withheld212$1,480.77$313,923.2430,484
Aug 21, 2026Goeckeler DavidTax Withheld1,033$1,596.08$1,648,750.64507,570
Aug 21, 2026Ilkbahar AlperTax Withheld320$1,596.08$510,745.6049,500
Aug 21, 2026Shek BernardTax Withheld108$1,596.08$172,376.6430,696
Aug 21, 2026Visoso Luis FelipeTax Withheld1,589$1,596.08$2,536,171.12137,814
Aug 20, 2026Goeckeler DavidTax Withheld1,300$1,600.62$2,080,806.00508,603
Aug 20, 2026Ilkbahar AlperTax Withheld163$1,600.62$260,901.0649,820
Aug 20, 2026Ilkbahar AlperExercise276$0.00$0.0050,259
Aug 20, 2026Shek BernardTax Withheld111$1,600.62$177,668.8230,804
Aug 20, 2026Visoso Luis FelipeTax Withheld25,655$1,600.62$41,063,906.10139,403
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