Cerebras Systems Inc. 4

Susan Lior reported non-cash in-kind internal transfers of Cerebras Systems Inc. Class A Common Stock among Eclipse entities and estate-planning vehicles, with no change in overall economic ownership.

On August 19, 2026, Susan Lior, a control person of Eclipse investment entities associated with Cerebras Systems Inc., reported internal, non-monetary reclassifications of Class A Common Stock stemming from a pro-rata, in-kind distribution by the Eclipse entities to their partners for no additional consideration. The Form 4 reflects a disposition of 902,235 shares indirectly held through Eclipse entities, and corresponding acquisitions of 46,422 shares into a directly held estate-planning vehicle and 46,780 shares into an indirectly held vehicle, with all transactions coded as “J” (other) and explicitly described as in-kind transfers rather than open market purchases or sales. Following these transfers, Lior continues to be deemed to beneficially own 8,295,180 shares indirectly via Eclipse funds and vehicles, plus 244,206 shares held directly and 207,571 shares held indirectly through the estate-planning structure, with economic ownership effectively unchanged aside from the shift in how the holdings are structured.

Filing Facts

CIK

2021728

Ticker

CBRS

Form

4

Source Type

sec

Accession

0001193125-26-361120

Alert Tier

6