Michael F. Mahoney

CIK: 0001533022

Transaction Breakdown

Open Market Buys (P)2 (3.0%)

High conviction signal

Open Market Sales (S)12 (17.9%)

Position reduction

Option Exercises (M)23 (34.3%)

Derivative conversions

Awards (A)11 (16.4%)

Compensation grants

Other (G, F, J, C, D, …)19 (28.4%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

BSX

BOSTON SCIENTIFIC CORP

DirectorOfficer

CVS

CVS HEALTH Corp

Director

Discretionary Trading P&L

Holdings

Transaction History (67 total)

BSX
BOSTON SCIENTIFIC CORP
Aug 3, 2026
Discretionary(I)
Indirect
22.1K shares at avg. $48.43$1.1M
BSX
BOSTON SCIENTIFIC CORP
Aug 3, 2026
Purchase(P)
Direct
186.2K shares at avg. $48.33$9.0M
BSX
BOSTON SCIENTIFIC CORP
May 28, 2026
Gift(G)
Indirect
386.8K shares-
CVS
CVS HEALTH Corp
May 14, 2026
Award(A)
Deferred Stock Units
Direct
1.7K shares at avg. $97.15-
BSX
BOSTON SCIENTIFIC CORP
Feb 16, 2026
Exercise(M)
Direct
16.3K shares-
BSX
BOSTON SCIENTIFIC CORP
Feb 16, 2026
Tax Payment(F)
Direct
7.9K shares at avg. $74.73$588K
BSX
BOSTON SCIENTIFIC CORP
Feb 14, 2026
Exercise(M)
Direct
16.5K shares-
BSX
BOSTON SCIENTIFIC CORP
Feb 14, 2026
Tax Payment(F)
Direct
8K shares at avg. $74.73$597K
BSX
BOSTON SCIENTIFIC CORP
Feb 13, 2026
Tax Payment(F)
Direct
132.1K shares at avg. $74.73$9.9M
BSX
BOSTON SCIENTIFIC CORP
Feb 13, 2026
Exercise(M)
Direct
8.8K shares-
BSX
BOSTON SCIENTIFIC CORP
Feb 13, 2026
Award(A)
Direct
132.2K shares-
BSX
BOSTON SCIENTIFIC CORP
Feb 13, 2026
Award(A)
Direct
132.2K shares-
BSX
BOSTON SCIENTIFIC CORP
Feb 12, 2026
Award(A)
Stock Option (Right to Buy)
Direct
131.3K shares-
BSX
BOSTON SCIENTIFIC CORP
Feb 12, 2026
Exercise(M)
Direct
13.7K shares-
BSX
BOSTON SCIENTIFIC CORP
Feb 12, 2026
Tax Payment(F)
Direct
6.6K shares at avg. $74.12$491K
BSX
BOSTON SCIENTIFIC CORP
Feb 12, 2026
Award(A)
Restricted Stock Units
Direct
55.7K shares-
BSX
BOSTON SCIENTIFIC CORP
Feb 2, 2026
Sale(S)
Direct
159.7K shares at avg. $93.49$14.9M
BSX
BOSTON SCIENTIFIC CORP
Feb 2, 2026
Sale(S)
Direct
1.2K shares at avg. $94.06$113K
BSX
BOSTON SCIENTIFIC CORP
Feb 2, 2026
Exercise(M)
Direct
46.3K shares at avg. $27.09$1.3M
BSX
BOSTON SCIENTIFIC CORP
Feb 2, 2026
Exercise(M)
Direct
49.4K shares at avg. $24.55$1.2M
CVS
CVS HEALTH Corp
Nov 20, 2025
Award(A)
Deferred Stock Units
Direct
2K shares at avg. $76.04-
BSX
BOSTON SCIENTIFIC CORP
Oct 30, 2025
Gift(G)
Indirect
150K shares-
BSX
BOSTON SCIENTIFIC CORP
Oct 29, 2025
Gift(G)
Indirect
88.2K shares-
BSX
BOSTON SCIENTIFIC CORP
Oct 29, 2025
Gift(G)
Indirect
74K shares-
BSX
BOSTON SCIENTIFIC CORP
Jun 2, 2025
Exercise(M)
Direct
56.2K shares at avg. $17.26$970K

		Type	Shares	Price		Ownership
Aug 3, 2026	BSX BOSTON SCIENTIFIC CORP	Discretionary(I)	22,119	$48.43	$1,071,223	Indirect
Aug 3, 2026	BSX BOSTON SCIENTIFIC CORP	Purchase(P)	186,240	$48.33	$9,001,408	Direct
May 28, 2026	BSX BOSTON SCIENTIFIC CORP	Gift(G)	386,755	-	$0	Indirect
May 14, 2026	CVS CVS HEALTH Corp	Award(A) Deferred Stock Units	1,737	$97.15	-	Direct
Feb 16, 2026	BSX BOSTON SCIENTIFIC CORP	Exercise(M)	16,265	-	$0	Direct
Feb 16, 2026	BSX BOSTON SCIENTIFIC CORP	Tax Payment(F)	7,865	$74.73	$587,751	Direct
Feb 14, 2026	BSX BOSTON SCIENTIFIC CORP	Exercise(M)	16,524	-	$0	Direct
Feb 14, 2026	BSX BOSTON SCIENTIFIC CORP	Tax Payment(F)	7,990	$74.73	$597,093	Direct
Feb 13, 2026	BSX BOSTON SCIENTIFIC CORP	Tax Payment(F)	132,099	$74.73	$9,871,758	Direct
Feb 13, 2026	BSX BOSTON SCIENTIFIC CORP	Exercise(M)	8,832	-	$0	Direct
Feb 13, 2026	BSX BOSTON SCIENTIFIC CORP	Award(A)	132,190	-	$0	Direct
Feb 13, 2026	BSX BOSTON SCIENTIFIC CORP	Award(A)	132,190	-	$0	Direct
Feb 12, 2026	BSX BOSTON SCIENTIFIC CORP	Award(A) Stock Option (Right to Buy)	131,329	-	-	Direct
Feb 12, 2026	BSX BOSTON SCIENTIFIC CORP	Exercise(M)	13,704	-	$0	Direct
Feb 12, 2026	BSX BOSTON SCIENTIFIC CORP	Tax Payment(F)	6,626	$74.12	$491,119	Direct
Feb 12, 2026	BSX BOSTON SCIENTIFIC CORP	Award(A) Restricted Stock Units	55,652	-	-	Direct
Feb 2, 2026	BSX BOSTON SCIENTIFIC CORP	Sale(S)	159,701	$93.49	$14,930,526	Direct
Feb 2, 2026	BSX BOSTON SCIENTIFIC CORP	Sale(S)	1,200	$94.06	$112,868	Direct
Feb 2, 2026	BSX BOSTON SCIENTIFIC CORP	Exercise(M)	46,347	$27.09	$1,255,540	Direct
Feb 2, 2026	BSX BOSTON SCIENTIFIC CORP	Exercise(M)	49,407	$24.55	$1,212,942	Direct
Nov 20, 2025	CVS CVS HEALTH Corp	Award(A) Deferred Stock Units	2,022	$76.04	-	Direct
Oct 30, 2025	BSX BOSTON SCIENTIFIC CORP	Gift(G)	149,992	-	-	Indirect
Oct 29, 2025	BSX BOSTON SCIENTIFIC CORP	Gift(G)	88,197	-	-	Indirect
Oct 29, 2025	BSX BOSTON SCIENTIFIC CORP	Gift(G)	73,996	-	-	Indirect
Jun 2, 2025	BSX BOSTON SCIENTIFIC CORP	Exercise(M)	56,212	$17.26	$970,219	Direct

1-25 of 67 transactions

About Mahoney Michael F

Mahoney Michael F (SEC CIK 0001533022) files insider reports with the SEC as Chairman, President & CEO of BOSTON SCIENTIFIC CORP (BSX) and Director of CVS HEALTH Corp (CVS).

Signal8 holds 23 ownership filings by Mahoney Michael F, all Form 4s, filed between Sep 3, 2024 and Aug 5, 2026. Those filings report 67 transactions, from Aug 30, 2024 to Aug 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Mahoney Michael F's filings is in MARLBOROUGH, MA.

Recent filings by Mahoney Michael F

Aug 3, 2026: Discretionary transaction transaction of BSX shares (Form 4, code I).
Aug 3, 2026: Open-market purchase of BSX shares (Form 4, code P).
May 28, 2026: Gift of BSX shares (Form 4, code G).
May 14, 2026: Grant or award of CVS derivative securities (Form 4, code A).
Feb 16, 2026: Option exercise of BSX shares (Form 4, code M).

Other insiders filing for BOSTON SCIENTIFIC CORP (BSX)

O'Connor Padraig Andrew, EVP, Global Operations
Morano Susan E, Director
Woodworth Emily, SVP, Global Controller and CAO
Monson Jonathan, EVP and CFO
Habiger David C, Director
LUDWIG EDWARD J, Director

How to read Form 4 transaction codes