Mark W Westphal Post Holdings, Inc. (POST) insider trading activity

Mark W Westphal is PRES., FOODSERVICE of Post Holdings, Inc.. Currently has a direct ownership of 197,756 shares of POST, which is worth approximately $21.1 Million. The most recent transaction as insider was on Nov 18, 2025, when has been sold 19,925 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 198K

27.27% 3M change

27.27% 12M change

Total Value Held $21.1 Million

MARK W WESTPHAL Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 18 2025	BUY Grant, award, or other acquisition	-	19,925 Added 9.15%	197,756 Common Stock
Nov 15 2025	SELL Payment of exercise price or tax liability	$268,990 $106.7 p/Share	2,521 Reduced 1.4%	177,831 Common Stock
Nov 14 2025	SELL Payment of exercise price or tax liability	$293,179 $106.34 p/Share	2,757 Reduced 1.51%	180,352 Common Stock
Nov 12 2025	SELL Payment of exercise price or tax liability	$379,975 $106.02 p/Share	3,584 Reduced 1.92%	183,109 Common Stock
Nov 12 2025	BUY Exercise of conversion of derivative security	-	7,856 Added 4.07%	185,280 Common Stock
Oct 22 2025	SELL Payment of exercise price or tax liability	$2,107,141 $107.19 p/Share	19,658 Reduced 9.9%	178,837 Common Stock
Oct 22 2025	BUY Grant, award, or other acquisition	-	43,108 Added 17.84%	198,495 Common Stock

Nov 16 2024	SELL Payment of exercise price or tax liability	$291,778 $106.14 p/Share	2,749 Reduced 1.74%	155,387 Common Stock
Nov 16 2024	BUY Exercise of conversion of derivative security	-	6,027 Added 3.67%	158,136 Common Stock
Nov 15 2024	SELL Payment of exercise price or tax liability	$271,713 $107.78 p/Share	2,521 Reduced 1.63%	152,109 Common Stock
Nov 14 2024	SELL Payment of exercise price or tax liability	$842,700 $109.47 p/Share	7,698 Reduced 4.74%	154,630 Common Stock
Oct 21 2024	SELL Payment of exercise price or tax liability	$2,469,641 $115.21 p/Share	21,436 Reduced 11.66%	162,328 Common Stock
Oct 21 2024	BUY Grant, award, or other acquisition	-	47,008 Added 20.37%	183,764 Common Stock
Nov 17 2023	SELL Payment of exercise price or tax liability	$247,577 $84.21 p/Share	2,940 Reduced 2.2%	130,729 Common Stock
Nov 16 2023	SELL Payment of exercise price or tax liability	$234,737 $85.39 p/Share	2,749 Reduced 2.02%	133,669 Common Stock
Nov 15 2023	SELL Payment of exercise price or tax liability	$619,362 $85.5 p/Share	7,244 Reduced 5.04%	136,418 Common Stock
Nov 14 2023	BUY Grant, award, or other acquisition	-	28,968 Added 16.78%	143,662 Common Stock
Oct 24 2023	SELL Payment of exercise price or tax liability	$1,469,972 $80.91 p/Share	18,168 Reduced 13.67%	114,694 Common Stock
Oct 24 2023	BUY Grant, award, or other acquisition	-	39,840 Added 23.07%	132,862 Common Stock
Dec 04 2022	SELL Payment of exercise price or tax liability	$815,311 $95.75 p/Share	8,515 Reduced 8.39%	93,022 Common Stock
Nov 17 2022	SELL Payment of exercise price or tax liability	$263,453 $89.61 p/Share	2,940 Reduced 2.81%	101,537 Common Stock
Nov 16 2022	SELL Payment of exercise price or tax liability	$246,138 $89.57 p/Share	2,748 Reduced 2.56%	104,477 Common Stock
Nov 16 2022	BUY Exercise of conversion of derivative security	-	6,026 Added 5.32%	107,225 Common Stock
Nov 15 2022	BUY Grant, award, or other acquisition	-	26,938 Added 21.02%	101,199 Common Stock
Nov 13 2022	SELL Payment of exercise price or tax liability	$209,614 $86.19 p/Share	2,432 Reduced 3.17%	74,261 Common Stock

MWW

Mark W Westphal

PRES., FOODSERVICE

St. Louis, MO

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