Who
David Y. Norton
Director
Company insider
Files Form 4 as: Director, COMPASS Pathways; Director, Mallinckrodt; Director, Vivus; Director, INC Research Holdings; Director, Savient Pharmaceuticals.
In numbers
- Trades disclosed
- 65
- Buys
- 1
- Sells
- 4
- Bought
- $44K
- Sold
- $55K
- Companies
- 5
- Companies where not an officer
- 5
- First trade
- 1 Sep 2011
- Last trade
- 27 May 2026
- Last filed
- 29 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 | |
|---|---|---|---|---|
| 27 May 2026filed 29 May 2026 | CMPS COMPASS Pathwaysoption or derivative · Biotechnology | SEC FORM 4 Code A | —21,110 at $0.00 | filing |
| 27 May 2026filed 29 May 2026 | CMPS COMPASS Pathwaysoption or derivative · Biotechnology | SEC FORM 4 Code A | —21,110 at $0.00 | filing |
| 12 Jun 2025filed 13 Jun 2025 | CMPS COMPASS Pathwaysoption or derivative · Biotechnology | SEC FORM 4 Code A | —26,000 at $0.00 | filing |
| 9 May 2024filed 13 May 2024 | CMPS COMPASS Pathwaysoption or derivative · Biotechnology | SEC FORM 4 Code A | —39,000 at $0.00 | filing |
| 2 Jun 2023filed 6 Jun 2023 | CMPS COMPASS Pathwaysoption or derivative · Biotechnology | SEC FORM 4 Code A | —26,000 at $0.00 | filing |
| 16 Jun 2022filed 17 Jun 2022 | CMPS COMPASS Pathwaysoption or derivative · Biotechnology | SEC FORM 4 Code A | —17,000 at $0.00 | filing |
| 29 Mar 2022filed 31 Mar 2022 | CMPS COMPASS PathwaysBiotechnology | SEC FORM 4 Sold | $42K3,384 at $12.48 | filing |
| 5 Aug 2021filed 9 Aug 2021 | Mallinckrodt | SEC FORM 4 Sold | $1,3215,080 at $0.26 | filing |
| 17 Dec 2020filed 18 Dec 2020 | Mallinckrodt | SEC FORM 4 Sold | $2,0325,080 at $0.40 | filing |
| 16 Dec 2020filed 18 Dec 2020 | Mallinckrodt | SEC FORM 4 Sold | $9,37721,807 at $0.43 | filing |
| 13 May 2020filed 15 May 2020 | Mallinckrodt | SEC FORM 4 Code F | $26K8,729 at $2.96 | filing |
| 20 Feb 2020filed 24 Feb 2020 | Vivusoption or derivative | SEC FORM 4 Code A | —15,000 at $0.00 | filing |
| 15 May 2019filed 17 May 2019 | Mallinckrodt | SEC FORM 4 Code F | $130K8,527 at $15.21 | filing |
| 15 May 2019filed 17 May 2019 | Mallinckrodt | SEC FORM 4 Code A | —19,396 at $0.00 | filing |
| 26 Oct 2018filed 29 Oct 2018 | Vivusoption or derivative | SEC FORM 4 Code A | —15,000 at $0.00 | filing |
| 16 May 2018filed 18 May 2018 | Mallinckrodt | SEC FORM 4 Code A | —18,947 at $0.00 | filing |
| 1 Mar 2018filed 5 Mar 2018 | Mallinckrodt | SEC FORM 4 Code F | $40K2,521 at $15.68 | filing |
| 10 Nov 2017filed 13 Nov 2017 | Mallinckrodt | SEC FORM 4 Bought | $44K2,000 at $22.02 | filing |
| 27 Oct 2017filed 31 Oct 2017 | Vivus | SEC FORM 4 Code M | —12,500 | filing |
| 27 Oct 2017filed 31 Oct 2017 | Vivus | SEC FORM 4 Code D | $2,1883,125 at $0.70 | filing |
News
No headline names them, or the companies they trade most, lately.