Mark W. Westphal - Nov 16, 2021 Form 4 Insider Report for Post Holdings, Inc. (POST)

Role: PRES., FOODSERVICE
Signature: /s/ Diedre J. Gray, Attorney-in-Fact
Stock symbol: POST
Transactions as of: Nov 16, 2021
Transactions value $: -$160,726
Form type: 4
Date filed: 11/18/2021, 03:43 PM
Previous filing: Nov 16, 2021
Next filing: Mar 31, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	POST	Common Stock	Tax liability	-$161K	-1.52K	-2.51%	$105.95	58.9K	Nov 17, 2021	Direct	F1
holding	POST	Common Stock						16.1K	Nov 16, 2021	By 401(k) Plan

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	POST	Restricted Stock Units	Award	$0	+12.2K		$0.00	12.2K	Nov 16, 2021	Common Stock	12.2K		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Surrender of shares in payment of tax withholding due as a result of the vesting of 4,347 restricted stock units ("RSUs") in accordance with Rule 16b-3.
F2	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. 2021 Long-Term Incentive Plan (the "2021 LTIP") in a transaction exempt under Rule 16b-3 and the settlement of the RSUs in shares is subject to shareholder approval of the 2021 LTIP; provided that if such shareholder approval is not obtained, the RSUs will remain outstanding and convert into cash-settled RSUs.
F3	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.