Who
Markus Sieger
Director
Company insider
Files Form 4 as: Director, Rafael Holdings; Director, Cyclo Therapeutics; Director, Central European Distribution.
In numbers
- Trades disclosed
- 70
- Buys
- 16
- Sells
- 0
- Bought
- $577K
- Sold
- $0
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 1 May 2006
- Last trade
- 28 Jan 2026
- Last filed
- 30 Jan 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 | |
|---|---|---|---|---|
| 28 Jan 2026filed 30 Jan 2026 | RFL Rafael HoldingsBiotechnology | SEC FORM 4 Code A | $38K29,528 at $1.27 | filing |
| 28 Jan 2026filed 30 Jan 2026 | RFL Rafael HoldingsBiotechnology | SEC FORM 4 Code A | $38K29,528 at $1.27 | filing |
| 27 May 2025filed 29 May 2025 | RFL Rafael Holdingsoption or derivative · Biotechnology | SEC FORM 4 Code X | —35,000 at $0.00 | filing |
| 27 May 2025filed 29 May 2025 | RFL Rafael HoldingsBiotechnology | SEC FORM 4 Code X | $45K35,000 at $1.28 | filing |
| 27 Feb 2025filed 3 Mar 2025 | Cyclo Therapeutics | SEC FORM 4 Code A | —58,138 at $0.00 | filing |
| 15 Nov 2024filed 18 Nov 2024 | Cyclo Therapeutics | SEC FORM 4 Code A | —35,022 at $0.00 | filing |
| 16 Aug 2024filed 20 Aug 2024 | Cyclo Therapeutics | SEC FORM 4 Code A | —18,354 at $0.00 | filing |
| 3 Jun 2024filed 5 Jun 2024 | Cyclo Therapeuticsoption or derivative | SEC FORM 4 Code A | —15,562 at $0.00 | filing |
| 3 Jun 2024filed 5 Jun 2024 | Cyclo Therapeutics | SEC FORM 4 Code A | —18,067 at $0.00 | filing |
| 13 Feb 2024filed 15 Feb 2024 | Cyclo Therapeutics | SEC FORM 4 Code A | —14,004 at $0.00 | filing |
| 28 Nov 2023filed 30 Nov 2023 | Cyclo Therapeutics | SEC FORM 4 Code A | —16,512 at $0.00 | filing |
| 20 Oct 2023filed 23 Oct 2023 | Cyclo Therapeuticsoption or derivative | SEC FORM 4 Code X | $7,78559,881 at $0.13 | filing |
| 20 Oct 2023filed 23 Oct 2023 | Cyclo Therapeuticsoption or derivative | SEC FORM 4 Code P | —65,869 | filing |
| 20 Oct 2023filed 23 Oct 2023 | Cyclo Therapeutics | SEC FORM 4 Code X | $43K59,881 at $0.71 | filing |
| 18 Aug 2023filed 22 Aug 2023 | Cyclo Therapeutics | SEC FORM 4 Code A | —16,269 at $0.00 | filing |
| 17 May 2023filed 18 May 2023 | Cyclo Therapeutics | SEC FORM 4 Code A | —42,962 at $0.00 | filing |
| 20 Apr 2023filed 24 Apr 2023 | Cyclo Therapeuticsoption or derivative | SEC FORM 4 Code P | $7,78559,881 at $0.13 | filing |
| 20 Apr 2023filed 24 Apr 2023 | Cyclo Therapeutics | SEC FORM 4 Bought | $43K59,881 at $0.71 | filing |
| 7 Mar 2023filed 9 Mar 2023 | Cyclo Therapeuticsoption or derivative | SEC FORM 4 Code A | —3,350 at $0.00 | filing |
| 8 Nov 2022filed 9 Nov 2022 | Cyclo Therapeutics | SEC FORM 4 Code A | —9,496 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.