$CTKB 4 SEC Filings

Filed On	Filing
20 Aug 2026	Form 4: Jiang Wenbin, Director Received 120,095 shares by exercise or conversion · Gave up 36,269 shares to cover exercise price or tax ($169K)
20 Aug 2026	Form 4: McCombe William D., Chief Financial Officer Received 35,420 shares by exercise or conversion · Gave up 11,904 shares to cover exercise price or tax ($55.6K)
20 Aug 2026	Form 4: Muir Glenn P, Director Received 3,086 shares by exercise or conversion
20 Aug 2026	Form 4: Holder Michael, Director Received 2,181 shares by exercise or conversion
20 Aug 2026	Form 4: Chin Richard, Director Received 6,107 shares by exercise or conversion
20 Aug 2026	Form 4: Yan Ming, Director Received 33,270 shares by exercise or conversion · Gave up 8,088 shares to cover exercise price or tax ($37.8K)
12 Aug 2026	Form 4: Feuchtwang Ilan, Chief Legal Officer, Secretary Granted 241,416 Restricted Stock Units · Granted 127,118 Employee Stock Option (right to buy)
16 Jun 2026	Form 4: Yan Ming, Director Gave 135,892 shares as a gift
12 Jun 2026	Form 4: Ball Jack, Director Received 43,973 shares by exercise or conversion
12 Jun 2026	Form 4: Muir Glenn P, Director Granted 55,555 Restricted Stock Units · Granted 29,835 Director Stock Option (right to buy)
12 Jun 2026	Form 4: Chin Richard, Director Granted 33,333 Restricted Stock Units · Granted 18,261 Director Stock Option (right to buy)
12 Jun 2026	Form 4: Imper Vera, Director Received 43,973 shares by exercise or conversion · Granted 33,333 Restricted Stock Units · Granted 18,261 Director Stock Option (right to buy)
12 Jun 2026	Form 4: Neff Deborah J, Director Received 43,973 shares by exercise or conversion · Granted 33,333 Restricted Stock Units · Granted 18,261 Director Stock Option (right to buy)
12 Jun 2026	Form 4: Holder Michael, Director Received 43,973 shares by exercise or conversion · Granted 33,333 Restricted Stock Units · Granted 18,261 Director Stock Option (right to buy)
20 May 2026	Form 4: Holder Michael, Director Received 1,454 shares by exercise or conversion
20 May 2026	Form 4: Chin Richard, Director Received 6,107 shares by exercise or conversion
20 May 2026	Form 4: Yan Ming, Director Received 22,179 shares by exercise or conversion · Gave up 5,532 shares to cover exercise price or tax ($19.6K)
20 May 2026	Form 4: Busque Philippe, SVP, GLOBAL SALES AND SERVICES Received 10,464 shares by exercise or conversion · Gave up 2,685 shares to cover exercise price or tax ($9.53K)
20 May 2026	Form 4: Jiang Wenbin, Director Received 80,062 shares by exercise or conversion · Gave up 25,542 shares to cover exercise price or tax ($90.7K)
20 May 2026	Form 4: McCombe William D., Chief Financial Officer Received 25,719 shares by exercise or conversion · Gave up 9,229 shares to cover exercise price or tax ($32.8K)

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