Who
Arnon Rosenthal
Chief Executive Officer
Company insider
Files Form 4 as: Chief Executive Officer, Alector.
In numbers
- Trades disclosed
- 84
- Buys
- 0
- Sells
- 26
- Bought
- $0
- Sold
- $23.0M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 6 Nov 2019
- Last trade
- 14 Oct 2026
- Last filed
- 15 Oct 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 | |
|---|---|---|---|---|
| 14 Oct 2026filed 15 Oct 2026 | ALEC AlectorBiotechnology | SEC FORM 4 Code A | —217,500 at $0.00 | filing |
| 14 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code A | —978,750 at $0.00 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code D | —417,213 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code A | —417,213 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code D | —119,446 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code A | —119,446 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code D | —132,500 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code A | —132,500 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code D | —500,000 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code A | —500,000 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code D | —275,000 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code A | —275,000 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code D | —520,000 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code A | —520,000 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code D | —457,038 | filing |
| 13 Oct 2026filed 15 Oct 2026 | ALEC Alectoroption or derivative · Biotechnology | SEC FORM 4 Code A | —457,038 | filing |
| 3 Sep 2026filed 4 Sep 2026 | ALEC AlectorBiotechnology | SEC FORM 4 Sold | $193K72,606 at $2.66 | filing |
| 3 Sep 2026filed 4 Sep 2026 | ALEC AlectorBiotechnology | SEC FORM 4 Sold | $193K72,606 at $2.66 | filing |
| 19 Aug 2026filed 21 Aug 2026 | ALEC AlectorBiotechnology | SEC FORM 4 Code G | —1,050,000 at $0.00 | filing |
| 19 Aug 2026filed 21 Aug 2026 | ALEC AlectorBiotechnology | SEC FORM 4 Code G | —350,000 at $0.00 | filing |
News
Alector (NASDAQ: ALEC) prices shares at a 7.3% premium in stock saleALEC · dailypolitical.com · 18 Oct 2026Alector Maps Brain-Delivery Pipeline for Alzheimer's, Parkinson's TherapiesALEC · dailypolitical.com · 13 Oct 2026
0 headlines in the last 90 days name Arnon Rosenthal; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.