Buller Richard E

SEC Form 4 insider trading activity

Buller Richard E has filed 7 SEC Form 4 filings (22 transaction rows) across 1 company, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Jun 9, 2026.

On the most recent filing, Buller Richard E is listed as Director at Celcuity Inc. Inside the rolling window, Buller Richard E reported no open-market purchases and 5 open-market sales totaling $2.4M in CELC. The largest disclosed transaction in the window is a sale of 9,000 CELC shares on May 4, 2026, worth $1.3M.

Companies traded

Other insiders at CELC

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$2.4M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
CELCSale$1.3MMay 6SEC ↗
CELCSale$331KApr 2SEC ↗
CELCSale$317KDec 9SEC ↗
CELCSale$108KDec 3SEC ↗
CELCSale$377KNov 21SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Buller Richard E made?

Buller Richard E has filed 7 SEC Form 4 filings (22 transaction rows) across 1 company since 2025.

Which companies does Buller Richard E trade?

Buller Richard E has filed SEC Form 4 disclosures for 1 company, including CELC.

When was Buller Richard E's most recent SEC Form 4 filing?

Buller Richard E's most recent SEC Form 4 filing on Tracefour is dated Jun 9, 2026.

What is Buller Richard E's total buy and sell value in the current window?

Inside the rolling retention window, Buller Richard E bought $0 and sold $2.4M based on SEC Form 4 filings.

What was Buller Richard E's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 9,000 CELC shares on 2026-05-04, worth $1.3M, per SEC Form 4 filings.