Who
Margaret A. Hamburg
Director
Company insider
Files Form 4 as: Director, Alnylam Pharmaceuticals; Director and Other, Henry Schein.
In numbers
- Trades disclosed
- 32
- Buys
- 0
- Sells
- 1
- Bought
- $0
- Sold
- $2.3M
- Companies
- 2
- Companies where not an officer
- 2
- First trade
- 2 Mar 2006
- Last trade
- 20 May 2026
- Last filed
- 22 May 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 | |
|---|---|---|---|---|
| 20 May 2026filed 22 May 2026 | ALNY Alnylam PharmaceuticalsBiotechnology | SEC FORM 4 Code A | —671 at $0.00 | filing |
| 20 May 2026filed 22 May 2026 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —1,441 at $0.00 | filing |
| 20 May 2026filed 22 May 2026 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —1,441 at $0.00 | filing |
| 20 May 2026filed 22 May 2026 | ALNY Alnylam PharmaceuticalsBiotechnology | SEC FORM 4 Code A | —671 at $0.00 | filing |
| 8 May 2025filed 12 May 2025 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —1,558 at $0.00 | filing |
| 8 May 2025filed 12 May 2025 | ALNY Alnylam PharmaceuticalsBiotechnology | SEC FORM 4 Code A | —775 at $0.00 | filing |
| 16 May 2024filed 20 May 2024 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —5,228 at $0.00 | filing |
| 18 May 2023filed 19 May 2023 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —3,454 at $0.00 | filing |
| 23 Feb 2023filed 27 Feb 2023 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code M | —136 at $0.00 | filing |
| 23 Feb 2023filed 27 Feb 2023 | ALNY Alnylam PharmaceuticalsBiotechnology | SEC FORM 4 Code M | —136 at $0.00 | filing |
| 18 May 2022filed 20 May 2022 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —5,153 at $0.00 | filing |
| 23 Feb 2022filed 25 Feb 2022 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —136 at $0.00 | filing |
| 15 Jul 2021filed 19 Jul 2021 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —4,032 at $0.00 | filing |
| 1 Jul 2020filed 6 Jul 2020 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —4,581 at $0.00 | filing |
| 1 Jul 2019filed 2 Jul 2019 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —9,000 at $0.00 | filing |
| 10 Jan 2019filed 11 Jan 2019 | ALNY Alnylam Pharmaceuticalsoption or derivative · Biotechnology | SEC FORM 4 Code A | —18,000 at $0.00 | filing |
| 20 May 2009filed 22 May 2009 | HSIC Henry Scheinoption or derivative · Health Care Distribution | SEC FORM 4 Code M | —20,000 at $0.00 | filing |
| 20 May 2009filed 22 May 2009 | HSIC Henry Scheinoption or derivative · Health Care Distribution | SEC FORM 4 Code M | —15,000 at $0.00 | filing |
| 20 May 2009filed 22 May 2009 | HSIC Henry Scheinoption or derivative · Health Care Distribution | SEC FORM 4 Code M | —15,000 at $0.00 | filing |
| 20 May 2009filed 22 May 2009 | HSIC Henry ScheinHealth Care Distribution | SEC FORM 4 Code M | $643K20,000 at $32.15 | filing |
News
Critical Review: Henry Schein (NASDAQ:HSIC) & Tenet Healthcare (NYSE:THC)HSIC · tickerreport.com · 16 Oct 2026Henry Schein (NASDAQ: HSIC) names Caprais CFO in November transitionHSIC · themarketsdaily.com · 9 Oct 2026
0 headlines in the last 90 days name Margaret A. Hamburg; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.