7 Form 4 filings for BZ between 2026-08-28 and 2026-09-21, from 4 filers. 6 discretionary (2 sales, 4 purchases), 1 routine grant or withholding filing. 5 of 7 carry a dollar total (5 stated, 0 computed as shares × price), summing to $121,559,149; a multi-transaction filing without a stated total contributes only its largest transaction, so the sum is a floor and the true figure is higher. Prices ran $1 to $8.

Filings 7 Filers 4 Discretionary 6 Routine 1 Structured 7/7

▸Zhao Peng JonathanChief Executive Officer 2026-09-21 · sold 10,710,440 @ $7.25 for $109,958,228 TOTAL SOLD ≥ $116,076,4373 filings

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-09-21	sold	10,710,440	$7.25	$109,958,228	4	RECEIPT ↗
2026-09-14	sold	384,000	$8.18	$6,118,209	2	RECEIPT ↗
2026-08-28	received (award/grant)	10,985,000	—	—	1	RECEIPT ↗

▸Wang WenbeiDeputy Chief Financial Officer 2026-09-18 · acquired (option exercise) 65,000 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-09-18	acquired (option exercise)	65,000	—	—	1	RECEIPT ↗

▸Mu YangDirector 2026-09-18 · acquired (option exercise) 122,500 for $452,712 TOTAL BOUGHT ≥ $452,7121 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-09-18	acquired (option exercise)	122,500	—	$452,712	2	RECEIPT ↗

▸Chen XuChief Marketing Officer 2026-09-11 · acquired (option exercise) 200,000 @ $0.50 for $1,630,000 TOTAL BOUGHT ≥ $5,030,0002 filings

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-09-11	acquired (option exercise)	200,000	$0.50	$1,630,000	2	RECEIPT ↗
2026-09-09	acquired (option exercise)	400,000	$0.50	$3,400,000	2	RECEIPT ↗

4 filers · 7 filings · disclosed filing totals sum to $121,559,149 (5/7 state one, 0 computed; totals are proceeds with a floor, never profit — a Form 4 states what was traded, not what it cost the filer)

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