STIRITZ WILLIAM P

SEC Form 4 insider trading activity

STIRITZ WILLIAM P has filed 2 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2025. 2 of those filings fall inside the rolling window. Most recent filing: Sep 3, 2026.

On the most recent filing, STIRITZ WILLIAM P is listed as Insider at Post Holdings, Inc. Inside the rolling window, STIRITZ WILLIAM P reported no open-market purchases and 2 open-market sales totaling $32.3M in POST. The largest disclosed transaction in the window is a sale of 277,935 POST shares on Sep 2, 2026, worth $23.4M.

Companies traded

Other insiders at POST

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$32.3M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
POSTSale$8.9MSep 3SEC ↗
POSTSale$23.4MSep 3SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has STIRITZ WILLIAM P made?

STIRITZ WILLIAM P has filed 2 SEC Form 4 filings (8 transaction rows) across 1 company since 2025.

Which companies does STIRITZ WILLIAM P trade?

STIRITZ WILLIAM P has filed SEC Form 4 disclosures for 1 company, including POST.

When was STIRITZ WILLIAM P's most recent SEC Form 4 filing?

STIRITZ WILLIAM P's most recent SEC Form 4 filing on Tracefour is dated Sep 3, 2026.

What is STIRITZ WILLIAM P's total buy and sell value in the current window?

Inside the rolling retention window, STIRITZ WILLIAM P bought $0 and sold $32.3M based on SEC Form 4 filings.

What was STIRITZ WILLIAM P's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 277,935 POST shares on 2026-09-02, worth $23.4M, per SEC Form 4 filings.