9 Form 4 filings for BSX between 2026-08-03 and 2026-11-03, from 8 filers. 9 discretionary (0 sales, 6 purchases). 8 of 9 carry a dollar total (2 stated, 6 computed as shares × price), summing to $13,135,961; 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 $45 to $51.

Filings 9 Filers 8 Discretionary 9 Routine 0 Structured 3/9

▸O'Sullivan MiriamSVP, Chief HR Officer 2026-11-03 · acquired (option exercise) 3,871 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-11-03	acquired (option exercise)	3,871	—	—	2	RECEIPT ↗

▸Morano Susan Erole unstated 2026-08-26 · purchased 2,040 @ $49.22 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-08-26	purchased	2,040	$49.22	$100,409	—	RECEIPT ↗

▸Woodworth Emilyrole unstated 2026-08-12 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-08-12	—	2,930	$51.19	$149,987	—	RECEIPT ↗

▸Monson Jonathanrole unstated 2026-08-11 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-08-11	—	9,908	$50.46	$499,958	—	RECEIPT ↗

▸Habiger David Crole unstated 2026-08-07 · purchased 2,100 @ $47.59 TOTAL BOUGHT ≥ $56,8872 filings

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-08-07	purchased	2,100	$47.59	$99,939	—	RECEIPT ↗
2026-08-05	purchased (open market)	1,042	$48.07	$56,887	2	RECEIPT ↗

▸Mahoney Michael Frole unstated 2026-08-05 · purchased (open market) 186,240 @ $48.33 for $9,001,408 TOTAL BOUGHT ≥ $9,001,4081 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-08-05	purchased (open market)	186,240	$48.33	$9,001,408	2	RECEIPT ↗

▸LUDWIG EDWARD Jrole unstated 2026-08-03 · purchased 5,000 @ $45.48 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-08-03	purchased	5,000	$45.48	$227,400	—	RECEIPT ↗

▸Fitzgerald Joseph Michaelrole unstated 2026-08-03 1 filing

Filed	Action	Shares largest txn	Price	Filing total	Txns	SEC
2026-08-03	—	64,198	$46.73	$2,999,973	—	RECEIPT ↗

8 filers · 9 filings · disclosed filing totals sum to $13,135,961 (2/9 state one, 6 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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