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Boston Scientific Corp. (BSX)

Boston Scientific Corp. (BSX) Insider Trading

Directors, officers and holders of more than 10% of BSX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 580 transactions on file: 10 with code P, 0 with code S and 40 with other codes.

DateInsiderCodeShares
Nov 1, 2026O'Sullivan MiriamF Tax Payment1,872
Nov 1, 2026O'Sullivan MiriamM Exercise3,871
Nov 1, 2026O'Sullivan MiriamM Exercise3,871
Sep 2, 2026O'Connor Padraig AndrewM Exercise1,171
Sep 2, 2026O'Connor Padraig AndrewM Exercise1,171
Sep 2, 2026O'Connor Padraig AndrewF Tax Payment567
Aug 25, 2026Morano Susan EP Purchase2,040
Aug 11, 2026Woodworth EmilyI Discretionary2,930
Aug 10, 2026Monson JonathanI Discretionary9,908
Aug 5, 2026Habiger David CP Purchase2,100
Aug 4, 2026Habiger David CP Purchase140
Aug 3, 2026Mahoney Michael FP Purchase186,240
Aug 3, 2026Mahoney Michael FI Discretionary22,119
Aug 3, 2026Habiger David CP Purchase1,042
Jul 31, 2026Fitzgerald Joseph MichaelI Discretionary64,198
Jul 31, 2026LUDWIG EDWARD JP Purchase5,000
Jul 1, 2026Monson JonathanM Exercise2,087
Jul 1, 2026Monson JonathanM Exercise2,087
Jul 1, 2026Monson JonathanF Tax Payment1,010
May 28, 2026Mahoney Michael FG Gift386,755
May 20, 2026Pegus CherylP Purchase1,770
May 20, 2026Habiger David CP Purchase2,250
May 20, 2026LUDWIG EDWARD JP Purchase3,580
May 19, 2026Habiger David CP Purchase2,200
May 7, 2026Weber Christophe PierreA Award2,660
May 7, 2026Weber Christophe PierreA Award1,140
May 7, 2026Morano Susan EA Award3,800
May 7, 2026WICHMANN DAVID SA Award3,800
May 7, 2026Smith Cathy RA Award3,800
May 7, 2026Morano Susan EA Award1,281
May 7, 2026Pegus CherylA Award3,800
May 7, 2026Pegus CherylA Award1,281
May 7, 2026Smith Cathy RA Award2,209
May 7, 2026Weber Christophe PierreA Award1,767
May 7, 2026LUDWIG EDWARD JA Award3,800
May 7, 2026Mega Jessica LA Award3,800
May 7, 2026Zane Ellen MA Award3,800
May 7, 2026Habiger David CA Award3,800
May 2, 2026Butcher Arthur CM Exercise2,102
May 2, 2026O'Connor Padraig AndrewM Exercise1,802
May 2, 2026O'Connor Padraig AndrewF Tax Payment872
May 2, 2026Butcher Arthur CM Exercise2,102
May 2, 2026O'Connor Padraig AndrewM Exercise1,802
May 2, 2026Butcher Arthur CF Tax Payment1,007
Mar 2, 2026Smith Cathy RA Award323
Mar 2, 2026Smith Cathy RA Award556
Mar 2, 2026Morano Susan EA Award24
Mar 2, 2026Weber Christophe PierreA Award556
Mar 2, 2026Pegus CherylA Award24
Mar 2, 2026Weber Christophe PierreA Award323

The full Form 4 history is on the BSX company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.