Rosenthal Arnoninsider trades
In SEC Form 4 filings, Rosenthal Arnon is listed as Chief Executive Officer of Alector, Inc. (ALEC). In the last 90 days, Rosenthal Arnon sold $193.5K of Alector, Inc. (ALEC) on the open market and bought none.
Companies and roles
| Company | Role | Transactions | Last filed |
|---|---|---|---|
| ALECAlector, Inc. | Chief Executive Officer | 21 | Oct 15 |
Cluster buys
No cluster buy in the last 90 days included a purchase by this insider (two or more insiders buying within 14 days).
Form 4 historysince 2026-08-21
| Company | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| ALECAlector, Inc. | Oct 14 | Oct 15 | A | 217,500 | $0.00 | $0 | 2,512,100 | No | Form 4 |
| ALECAlector, Inc. | Oct 14 | Oct 15 | A · derivative | 978,750 | $1.88 | $1,840,050 | 978,750 | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | D · derivative | 500,000 | $8.16 | $4,080,000 | not reported | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | A · derivative | 500,000 | $1.87 | $935,000 | 500,000 | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | D · derivative | 275,000 | $10.14 | $2,788,500 | not reported | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | A · derivative | 275,000 | $1.87 | $514,250 | 275,000 | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | D · derivative | 520,000 | $17.15 | $8,918,000 | not reported | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | A · derivative | 520,000 | $1.87 | $972,400 | 520,000 | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | D · derivative | 457,038 | $10.24 | $4,680,069 | not reported | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | A · derivative | 457,038 | $1.87 | $854,661 | 457,038 | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | D · derivative | 417,213 | $23.70 | $9,887,948 | not reported | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | A · derivative | 417,213 | $1.87 | $780,188 | 417,213 | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | D · derivative | 119,446 | $9.46 | $1,129,959 | not reported | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | A · derivative | 119,446 | $1.87 | $223,364 | 119,446 | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | D · derivative | 132,500 | $6.48 | $858,600 | not reported | No | Form 4 |
| ALECAlector, Inc. | Oct 13 | Oct 15 | A · derivative | 132,500 | $1.87 | $247,775 | 132,500 | No | Form 4 |
| ALECAlector, Inc. | Sep 3 | Sep 4 | S | 72,606 | $2.66 | Sale −$193,473 | 2,294,600 | No | Form 4 |
| ALECAlector, Inc. | Aug 19 | Aug 21 | G | 1,050,000 | $0.00 | $0 | 922,875 | No | Form 4 |
| ALECAlector, Inc. | Aug 19 | Aug 21 | G | 350,000 | $0.00 | $0 | 1,002,500 | No | Form 4 |
| ALECAlector, Inc. | Aug 19 | Aug 21 | G | 350,000 | $0.00 | $0 | 1,002,500 | No | Form 4 |
| ALECAlector, Inc. | Aug 19 | Aug 21 | G | 350,000 | $0.00 | $0 | 1,002,500 | No | Form 4 |
Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.