Williams Charles O

Chief Operating Officer

Williams Charles O has filed 4 SEC Form 4 filings (6 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Jun 16, 2026.

On the most recent filing, Williams Charles O is listed as Chief Operating Officer at Surrozen, Inc./DE. Inside the rolling window, Williams Charles O reported no open-market purchases and 2 open-market sales totaling $99K in SRZN. The largest disclosed transaction in the window is a sale of 2,036 SRZN shares on May 4, 2026, worth $68K.

Companies traded

Other insiders at SRZN

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$99K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
SRZNSale$68KMay 5SEC ↗
SRZNSale$31KJan 6SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Williams Charles O made?

Williams Charles O has filed 4 SEC Form 4 filings (6 transaction rows) across 1 company since 2025.

Which companies does Williams Charles O trade?

Williams Charles O has filed SEC Form 4 disclosures for 1 company, including SRZN.

When was Williams Charles O's most recent SEC Form 4 filing?

Williams Charles O's most recent SEC Form 4 filing on Tracefour is dated Jun 16, 2026.

What is Williams Charles O's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Williams Charles O is listed as Chief Operating Officer.

What is Williams Charles O's total buy and sell value in the current window?

Inside the rolling retention window, Williams Charles O bought $0 and sold $99K based on SEC Form 4 filings.

What was Williams Charles O's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 2,036 SRZN shares on 2026-05-04, worth $68K, per SEC Form 4 filings.