Who
William S. Singer
Director
Company insider
Files Form 4 as: Director, Tao Synergies; Director, Neurotrope.
In numbers
- Trades disclosed
- 35
- Buys
- 0
- Sells
- 1
- Bought
- $0
- Sold
- $32K
- Companies
- 2
- Companies where not an officer
- 2
- First trade
- 21 Nov 2016
- Last trade
- 18 May 2026
- Last filed
- 19 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 | |
|---|---|---|---|---|
| 18 May 2026filed 19 May 2026 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —35,000 at $0.00 | filing |
| 18 May 2026filed 19 May 2026 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —35,000 at $0.00 | filing |
| 7 Apr 2026filed 8 Apr 2026 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —800 at $0.00 | filing |
| 7 Apr 2026filed 8 Apr 2026 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —800 at $0.00 | filing |
| 17 Oct 2025filed 17 Oct 2025 | TAOX Tao SynergiesConsumer & Specialty Finance | SEC FORM 4 Code A | —15,000 at $0.00 | filing |
| 17 Oct 2025filed 17 Oct 2025 | TAOX Tao SynergiesConsumer & Specialty Finance | SEC FORM 4 Code F | $43K6,000 at $7.23 | filing |
| 6 Aug 2025filed 17 Oct 2025 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —7,000 at $0.00 | filing |
| 30 Jun 2025filed 2 Jul 2025 | TAOX Tao SynergiesConsumer & Specialty Finance | SEC FORM 4 Code A | —15,410 at $0.00 | filing |
| 30 Jun 2025filed 2 Jul 2025 | TAOX Tao SynergiesConsumer & Specialty Finance | SEC FORM 4 Code F | $48K6,164 at $7.85 | filing |
| 3 Apr 2025filed 7 Apr 2025 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —800 at $0.00 | filing |
| 8 Apr 2024filed 10 Apr 2024 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —800 at $0.00 | filing |
| 29 Mar 2023filed 31 Mar 2023 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —20,000 at $0.00 | filing |
| 16 Dec 2022filed 20 Dec 2022 | TAOX Tao SynergiesConsumer & Specialty Finance | SEC FORM 4 Sold | $32K27,000 at $1.17 | filing |
| 15 Nov 2022filed 1 Dec 2022 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —75,000 at $0.00 | filing |
| 15 Nov 2022filed 17 Nov 2022 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —96,000 at $0.00 | filing |
| 5 Apr 2022filed 23 Jun 2022 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code J | —0 | filing |
| 5 Apr 2022filed 6 Apr 2022 | TAOX Tao Synergiesoption or derivative · Consumer & Specialty Finance | SEC FORM 4 Code A | —1,500 at $0.00 | filing |
| 13 Jul 2021filed 15 Jul 2021 | TAOX Tao SynergiesConsumer & Specialty Finance | SEC FORM 4 Code A | —60,000 at $0.00 | filing |
| 1 Dec 2020filed 3 Dec 2020 | Neurotropeoption or derivative | SEC FORM 4 Code D | —9,375 | filing |
| 1 Dec 2020filed 3 Dec 2020 | Neurotropeoption or derivative | SEC FORM 4 Code D | —1,563 | filing |
News
Head-To-Head Contrast: Synaptogenix (NASDAQ:TAOX) and Otsuka (OTCMKTS:OTSKY)TAOX · tickerreport.com · 14 Oct 2026
0 headlines in the last 90 days name William S. Singer; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.