Rosenthal Arnon

Chief Executive Officer

Rosenthal Arnon has filed 8 SEC Form 4 filings (11 transaction rows) across 1 company, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Sep 4, 2026.

On the most recent filing, Rosenthal Arnon is listed as Chief Executive Officer at Alector, Inc. Inside the rolling window, Rosenthal Arnon reported no open-market purchases and 4 open-market sales totaling $656K in ALEC. The largest disclosed transaction in the window is a sale of 72,606 ALEC shares on Sep 3, 2026, worth $193K.

Companies traded

Other insiders at ALEC

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$656K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
ALECSale$193KSep 4SEC ↗
ALECSale$172KJun 3SEC ↗
ALECSale$174KMar 3SEC ↗
ALECSale$117KDec 3SEC ↗
Showing 1–4 of 4
1 / 1

Earlier trades

Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.

DateTickerTypeValue
Sep 2, 2025ALECSale$129K
Showing 1–1 of 1
1 / 1

Frequently asked questions

How many SEC Form 4 filings has Rosenthal Arnon made?

Rosenthal Arnon has filed 8 SEC Form 4 filings (11 transaction rows) across 1 company since 2025.

Which companies does Rosenthal Arnon trade?

Rosenthal Arnon has filed SEC Form 4 disclosures for 1 company, including ALEC.

When was Rosenthal Arnon's most recent SEC Form 4 filing?

Rosenthal Arnon's most recent SEC Form 4 filing on Tracefour is dated Sep 4, 2026.

What is Rosenthal Arnon's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Rosenthal Arnon is listed as Chief Executive Officer.

What is Rosenthal Arnon's total buy and sell value in the current window?

Inside the rolling retention window, Rosenthal Arnon bought $0 and sold $656K based on SEC Form 4 filings.

What was Rosenthal Arnon's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 72,606 ALEC shares on 2026-09-03, worth $193K, per SEC Form 4 filings.