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CFO exercised or converted 3,916 POST derivative securities | OQRO

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Post Holdings
CFO exercised or converted 3,916 POST derivative securities

Insider trades

Insider trade

CFO exercised or converted 3,916 POST derivative securities

Traded Nov 12, 2025 · Filed Nov 14, 2025

Post HoldingsPOST

3,916
Derivative units

Why it stands out

Derivative exercise or conversion — not an open-market buy.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Nov 12, 2025
Reporting period: Not applicable
Filed with the SEC: Nov 14, 2025

CFOOption exercise

Context

Classification

option exercise

Code M — exercise or conversion of a derivative security

Planned / mechanical clue

Footnote references vesting of compensation awards

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0001954094-25-000005

Ask Claude or ChatGPT about these filings. Connect OQRO in a minute, then ask things like “which insiders bought this week?”

Filed / recorded

Nov 14, 2025, 9:37 PM UTC

Added to OQRO

Oct 6, 2026, 8:46 PM UTC

Parser

form4-xml-v2

Data quality

Verified: identifiers matched exactly

Issuer

Post Holdings, Inc.

Issuer CIK

1530950

Ticker

POST

Reporting person

Matthew J Mainer

Relationship

Officer

Officer title

EVP, CFO & TREASURER

Security

Restricted Stock Units

Table

Derivative (Table II)

Transaction date

Nov 12, 2025

Transaction code

Shares / units

3,916

Price per share

$0.00

Acquired / disposed

Disposed (D)

Shares owned after

7,833

Ownership form

Direct

Amendment

Footnotes from the filing

Each RSU represents a contingent right to receive one share of Post Holdings, Inc. common stock. The RSUs were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3.
One-third of the RSUs vest on each of the first, second and third anniversaries of the date of grant without any action on the part of the participant, subject to the terms of the applicable award agreement.