Robert Vitale V - 29 Sep 2021 Form 4 Insider Report for Post Holdings, Inc. (POST)

Role: PRESIDENT & CEO, Director
Signature: /s/ Diedre J. Gray, Attorney-in-Fact
Issuer symbol: POST
Transactions as of: 29 Sep 2021
Net transactions value: -$2,822,263
Form type: 4
Filing time: 30 Sep 2021, 16:33:49 UTC
Previous filing: 27 Sep 2021
Next filing: 04 Oct 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	POST	Common Stock	Options Exercise	$4,030,000	+100,000	+72%	$40.30	238,407	29 Sep 2021	By 2000 Trust
transaction	POST	Common Stock	Tax liability	$6,852,263	-61,170	-26%	$112.02	177,237	29 Sep 2021	By 2000 Trust	F1
holding	POST	Common Stock						218,304	29 Sep 2021	Direct
holding	POST	Common Stock						1,450	29 Sep 2021	By XSIP
holding	POST	Common Stock						8,910	29 Sep 2021	By 2014 Trust
holding	POST	Common Stock						12,961	29 Sep 2021	By Spouse's Trust
holding	POST	Common Stock						90,000	29 Sep 2021	By Spouse
holding	POST	Common Stock						13,194	29 Sep 2021	By Daughter's Trust
holding	POST	Common Stock						13,194	29 Sep 2021	By Son's Trust

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	Employee Stock Option (right to buy)	Options Exercise	$0	-100,000	-100%	$0.000000^*	0	29 Sep 2021	Common Stock	100,000	$40.30	By 2000 Trust	F2

* 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 stock option exercise price and tax withholding obligation in a transaction exempt under Rule 16b-3. The remainder of the shares are being held by the Reporting Person.
F2	The option to purchase 100,000 shares of common stock was awarded on December 15, 2013 under the Post Holdings, Inc. 2012 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vested in equal increments over three years.