Who
Daniel J. Brennan
Director
Company insider
Files Form 4 as: Director, Madrigal Pharmaceuticals; Director, Waters; EVP and CFO, Boston Scientific; Director, Nuance Communications.
In numbers
- Trades disclosed
- 395
- Buys
- 0
- Sells
- 27
- Bought
- $0
- Sold
- $45.2M
- Companies
- 4
- Companies where not an officer
- 3
- First trade
- 16 Feb 2014
- Last trade
- 17 Jun 2026
- Last filed
- 18 Jun 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 17 Jun 2026filed 18 Jun 2026 | MDGL Madrigal PharmaceuticalsPharmaceuticals | SEC FORM 4 Code A | —404 at $0.00 | filing |
| 17 Jun 2026filed 18 Jun 2026 | MDGL Madrigal Pharmaceuticalsoption or derivative · Pharmaceuticals | SEC FORM 4 Code A | —681 at $0.00 | filing |
| 17 Jun 2026filed 18 Jun 2026 | MDGL Madrigal Pharmaceuticalsoption or derivative · Pharmaceuticals | SEC FORM 4 Code A | —681 at $0.00 | filing |
| 17 Jun 2026filed 18 Jun 2026 | MDGL Madrigal PharmaceuticalsPharmaceuticals | SEC FORM 4 Code A | —404 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —23 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | WAT Watersoption or derivative · Life-science tools | SEC FORM 4 Code A | —57 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | WAT Watersoption or derivative · Life-science tools | SEC FORM 4 Code A | —57 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —23 at $0.00 | filing |
| 2 Jan 2026filed 5 Jan 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —307 at $0.00 | filing |
| 2 Jan 2026filed 5 Jan 2026 | WAT Watersoption or derivative · Life-science tools | SEC FORM 4 Code A | —828 at $0.00 | filing |
| 2 Jan 2026filed 5 Jan 2026 | WAT Watersoption or derivative · Life-science tools | SEC FORM 4 Code A | —828 at $0.00 | filing |
| 2 Jan 2026filed 5 Jan 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —307 at $0.00 | filing |
| 1 Aug 2025filed 5 Aug 2025 | MDGL Madrigal Pharmaceuticalsoption or derivative · Pharmaceuticals | SEC FORM 4 Code A | —1,705 at $0.00 | filing |
| 1 Aug 2025filed 5 Aug 2025 | MDGL Madrigal PharmaceuticalsPharmaceuticals | SEC FORM 4 Code A | —967 at $0.00 | filing |
| 19 Feb 2025filed 19 Feb 2025 | BSX Boston Scientificoption or derivative · Medical Devices | SEC FORM 4 Code M | —15,642 at $0.00 | filing |
| 19 Feb 2025filed 19 Feb 2025 | BSX Boston Scientificoption or derivative · Medical Devices | SEC FORM 4 Code M | —9,483 at $0.00 | filing |
| 19 Feb 2025filed 19 Feb 2025 | BSX Boston Scientificoption or derivative · Medical Devices | SEC FORM 4 Code M | —16,865 at $0.00 | filing |
| 19 Feb 2025filed 19 Feb 2025 | BSX Boston Scientificoption or derivative · Medical Devices | SEC FORM 4 Code M | —18,533 at $0.00 | filing |
| 19 Feb 2025filed 19 Feb 2025 | BSX Boston ScientificMedical Devices | SEC FORM 4 Code M | $455K18,533 at $24.55 | filing |
| 19 Feb 2025filed 19 Feb 2025 | BSX Boston ScientificMedical Devices | SEC FORM 4 Code M | $291K16,865 at $17.26 | filing |
News
Boston Scientific Corporation $BSX Stock: Goelzer Investment Management Inc. Raises PositionBSX · dailypolitical.com · 17 Oct 2026Boston Scientific (NYSE:BSX) Upgraded at BarclaysBSX · dailypolitical.com · 10 Oct 2026Financial Contrast: Sysmex (OTCMKTS:SSMXY) and Boston Scientific (NYSE:BSX)BSX · themarketsdaily.com · 10 Oct 2026
0 headlines in the last 90 days name Daniel J. Brennan; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.