17 Form 4 filings for RBRK between 2026-07-14 and 2026-11-03, from 7 filers. 16 discretionary (5 sales, 0 purchases), 1 routine grant or withholding filing. 12 of 17 carry a dollar total (10 stated, 2 computed as shares × price), summing to $18,187,671; 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 $75 to $119.

Filings 17 Filers 7 Discretionary 16 Routine 1 Structured 12/17

▸THOMPSON JOHN WENDELLDirector 2026-11-03 · converted (derivative) 11,000 for $1,583,193 10b5-1 ×44 filings

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-11-03	converted (derivative) 10b5-1 PLAN	11,000	—	$1,583,193	15	RECEIPT ↗
2026-10-02	converted (derivative) 10b5-1 PLAN	11,000	—	$1,561,823	7	RECEIPT ↗
2026-09-03	converted (derivative) 10b5-1 PLAN	11,000	—	$1,201,946	10	RECEIPT ↗
2026-08-04	—	11,000	—	—	5	RECEIPT ↗

▸Nithrakashyap ArvindChief Technology Officer 2026-10-07 · converted (derivative) 12,820 for $4,781,315 10b5-1 ×34 filings

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-10-07	converted (derivative) 10b5-1 PLAN	12,820	—	$4,781,315	17	RECEIPT ↗
2026-09-17	surrendered (tax withholding)	10,436	$100.20	$1,045,687	1	RECEIPT ↗
2026-09-10	converted (derivative) 10b5-1 PLAN	12,820	—	$3,489,619	16	RECEIPT ↗
2026-08-05	—	12,820	—	—	14	RECEIPT ↗

▸Wassenaar YvonneDirector 2026-10-06 · sold 721 @ $119.00 for $85,799 TOTAL SOLD ≥ $150,34310b5-1 ×33 filings

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-10-06	sold 10b5-1 PLAN	721	$119.00	$85,799	1	RECEIPT ↗
2026-09-03	sold 10b5-1 PLAN	721	$89.52	$64,544	2	RECEIPT ↗
2026-08-04	sold 10b5-1 PLAN	721	$75.00	$54,075	—	RECEIPT ↗

▸Sinha BipulChairman of the Board and CEO 2026-09-25 · converted (derivative) 500,000 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-09-25	converted (derivative)	500,000	—	—	3	RECEIPT ↗

▸Choudary Kiran KumarChief Financial Officer 2026-09-17 · surrendered (tax withholding) 13,995 @ $100.20 for $1,048,108 TOTAL SOLD ≥ $3,271,56210b5-1 ×33 filings

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-09-17	surrendered (tax withholding) 10b5-1 PLAN	13,995	$100.20	$1,048,108	12	RECEIPT ↗
2026-08-25	sold 10b5-1 PLAN	5,300	$98.65	$983,188	4	RECEIPT ↗
2026-07-16	sold 10b5-1 PLAN	15,600	$80.15	$2,288,374	9	RECEIPT ↗

▸Russak-Aminoach RakefetDirector 2026-08-28 · received (award/grant) 10,304 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-08-28	received (award/grant)	10,304	—	—	1	RECEIPT ↗

▸Mhatre Ravirole unstated 2026-07-14 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-07-14	—	1,040,590	—	—	21	RECEIPT ↗

7 filers · 17 filings · disclosed filing totals sum to $18,187,671 (10/17 state one, 2 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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