BSX Boston Scientific Corporation

NYSE
$45.05

Boston Scientific Corporation (BSX) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with BSX's own trailing one-year pace, with 100% of sale value under a prearranged plan.
Cluster activity 1 buyer in the last 30 days 4 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
5
10 transactions
Insiders selling
4
11 transactions
Purchases
$10.0M
206,362 shares
Sales
$29.3M
303,996 shares
Net activity
-$19.2M
purchases less sales

How much of that selling was preplanned? 100% planned / 0% discretionary

10b5-1 plan sales $29.3M 11 transactions · 303,996 shares
Discretionary sales $0 0 transactions · 0 shares

Largest single sale: $14.9M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: August 25, 2026 , by Morano Susan E .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Morano Susan E Director Buy 2,040 $49.22 $100.4K 13,784
Habiger David C Director Buy 2,100 $47.59 $99.9K 17,160
Habiger David C Director Buy 140 $48.59 $6.8K 15,060
Mahoney Michael F Chairman, President & CEO Buy 186,240 $48.33 $9.0M 1,590,024
Habiger David C Director Buy 1,042 $48.07 $50.1K 14,920
LUDWIG EDWARD J Director Buy 5,000 $45.48 $227.4K 30,359
LUDWIG EDWARD J Director Buy 3,580 $56.68 $202.9K 25,359
Habiger David C Director Buy 2,250 $55.92 $125.8K 13,878
Pegus Cheryl Director Buy 1,770 $56.49 $100.0K 1,770
Habiger David C Director Buy 2,200 $56.95 $125.3K 11,628
Mahoney Michael F 2 fills Chairman, President & CEO Sell 10b5-1 160,901 $93.49 $15.0M 1,571,436 −9.3% of holding
Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 10b5-1 17,313 $101.55 $1.8M 23,600 −42.3% of holding
Zane Ellen M Director Sell 10b5-1 12,891 $98.28 $1.3M 24,134 −34.8% of holding
Fitzgerald Joseph Michael 3 fills EVP & Group Pres, Cardiology Sell 10b5-1 50,000 $99.47 $5.0M 224,742 −18.2% of holding
Zane Ellen M Director Sell 10b5-1 2,901 $102.24 $296.6K 24,134 −10.7% of holding
Zane Ellen M Director Sell 10b5-1 9,990 $101.13 $1.0M 27,035 −27% of holding
Fitzgerald Joseph Michael 2 fills EVP & Group Pres, Cardiology Sell 10b5-1 50,000 $98.47 $4.9M 220,097 −18.5% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.