Berkman Charles S

Chief Legal Officer

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

On the most recent filing, Berkman Charles S is listed as Chief Legal Officer at OmniAb, Inc. Inside the rolling window, Berkman Charles S reported no open-market purchases and 4 open-market sales totaling $55K in OABI. The largest disclosed transaction in the window is a sale of 9,673 OABI shares on Feb 18, 2026, worth $17K.

Companies traded

Other insiders at OABI

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$55K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
OABISale$11KApr 7SEC ↗
OABISale$17KFeb 18SEC ↗
OABISale$12KFeb 17SEC ↗
OABISale$16KDec 9SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Berkman Charles S made?

Berkman Charles S has filed 4 SEC Form 4 filings (8 transaction rows) across 1 company since 2025.

Which companies does Berkman Charles S trade?

Berkman Charles S has filed SEC Form 4 disclosures for 1 company, including OABI.

When was Berkman Charles S's most recent SEC Form 4 filing?

Berkman Charles S's most recent SEC Form 4 filing on Tracefour is dated Apr 7, 2026.

What is Berkman Charles S's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Berkman Charles S is listed as Chief Legal Officer.

What is Berkman Charles S's total buy and sell value in the current window?

Inside the rolling retention window, Berkman Charles S bought $0 and sold $55K based on SEC Form 4 filings.

What was Berkman Charles S's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 9,673 OABI shares on 2026-02-18, worth $17K, per SEC Form 4 filings.