Announcements

Edward Carr, Chief Accounting Officer of Dianthus Therapeutics, Inc. (NASDAQ:DNTH), filed a Form 4 on September 18, 2026, disclosing the exercise of a stock option and the sale of common stock on September 17, 2026, pursuant to a Rule 10b5-1 trading plan.

Chan W. Lee, Chief Operations Officer of Ambarella Inc, filed a Form 4 on September 18, 2026, disclosing the sale of 2,893 ordinary shares on September 17, 2026, to cover tax obligations arising from the vesting of restricted stock units.

Chi-Hong Ju, Senior Vice President of Systems and General Manager at Ambarella Inc (NASDAQ:AMBA), filed a Form 4 on September 18, 2026, reporting the sale of 2,009 ordinary shares on September 17, 2026, to cover tax obligations from vesting restricted stock units.

Feng-Ming Wang, CEO and Director of Ambarella Inc, filed a Form 4 on September 18, 2026, disclosing the sale of 6,086 ordinary shares on September 17, 2026, to cover tax obligations arising from the vesting of restricted stock units.

Wupen Yuen, President of Global Business Units at Lumentum Holdings Inc. (NASDAQ:LITE), filed a Form 4 on September 18, 2026, disclosing the sale of 1,500 shares of common stock across three consecutive trading days under a pre-established Rule 10b5-1 trading plan.

A statement of changes in beneficial ownership was filed on September 18, 2026, disclosing that Thomas M. Ryan, a director at PJT Partners Inc. (NYSE:PJT), acquired 19 restricted stock units representing dividend equivalent rights accrued on existing RSU holdings.

Lee Ji-Yeun, a Managing Partner at PJT Partners Inc., filed a statement of changes in beneficial ownership on September 18, 2026, disclosing the acquisition of restricted stock units as dividend equivalent rights on September 16, 2026.