Katz Avi S

Chairman

Katz Avi S has filed 5 SEC Form 4 filings (7 transaction rows) across 3 companies, including HDRN, QTI, QTIH, with disclosures dating back to 2026. 5 of those filings fall inside the rolling window. Most recent filing: Sep 4, 2026.

On the most recent filing, Katz Avi S is listed as CHAIRMAN at QT IMAGING HOLDINGS, INC. Inside the rolling window, Katz Avi S reported 1 open-market purchase totaling $155K in QTIH and no open-market sales.

Companies traded

Other insiders at HDRN

Insider Buying

$155K

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

3

in the rolling window

Source
QTIHPurchase$155KJan 23SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Katz Avi S made?

Katz Avi S has filed 5 SEC Form 4 filings (7 transaction rows) across 3 companies, including HDRN, QTI, QTIH since 2026.

Which companies does Katz Avi S trade?

Katz Avi S has filed SEC Form 4 disclosures for 3 companies, including HDRN, QTI, QTIH.

When was Katz Avi S's most recent SEC Form 4 filing?

Katz Avi S's most recent SEC Form 4 filing on Tracefour is dated Sep 4, 2026.

What is Katz Avi S's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Katz Avi S is listed as Chairman.

What is Katz Avi S's total buy and sell value in the current window?

Inside the rolling retention window, Katz Avi S bought $155K and sold $0 based on SEC Form 4 filings.

What was Katz Avi S's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 24,107 QTIH shares on 2026-01-22, worth $155K, per SEC Form 4 filings.