WESTPHAL MARK W
SEC insider (Form 3/4/5 filer). CIK 0001730096. PRES., FOODSERVICE at Post Holdings, Inc. (POST). 21 reported Form 4/5 transactions since Sep 2024; latest on Oct 22, 2026. Located in ST. LOUIS, MO.
Companies WESTPHAL MARK W has filed insider reports for
- Post Holdings, Inc. (POST): Officer, PRES., FOODSERVICE
WESTPHAL MARK W
CIK: 0001730096
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Post Holdings, Inc.
Discretionary Trading P&L
Holdings
Transaction History (21 total)
- Oct 22, 2026POST
Post Holdings, Inc.
Tax PaymentDirect17.5K shares at avg. $78.06$1.4M - Oct 22, 2026POST
Post Holdings, Inc.
AwardDirect38.4K shares- - Nov 18, 2025POST
Post Holdings, Inc.
AwardDirect3.2K shares- - Nov 18, 2025POST
Post Holdings, Inc.
AwardDirect16.7K shares- - Nov 15, 2025POST
Post Holdings, Inc.
Tax PaymentDirect2.5K shares at avg. $106.70$269K - Nov 14, 2025POST
Post Holdings, Inc.
Tax PaymentDirect2.8K shares at avg. $106.34$293K - Nov 12, 2025POST
Post Holdings, Inc.
Tax PaymentDirect2.2K shares at avg. $106.02$230K - Nov 12, 2025POST
Post Holdings, Inc.
ExerciseDirect4.8K shares- - Nov 12, 2025POST
Post Holdings, Inc.
Tax PaymentDirect1.4K shares at avg. $106.02$150K - Nov 12, 2025POST
Post Holdings, Inc.
ExerciseDirect3.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 22, 2026 | POST Post Holdings, Inc. | Tax Payment | 17,530 | $78.06 | $1,368,392 | Direct |
| Oct 22, 2026 | POST Post Holdings, Inc. | Award | 38,441 | - | $0 | Direct |
| Nov 18, 2025 | POST Post Holdings, Inc. | Award | 3,243 | - | - | Direct |
| Nov 18, 2025 | POST Post Holdings, Inc. | Award | 16,682 | - | - | Direct |
| Nov 15, 2025 | POST Post Holdings, Inc. | Tax Payment | 2,521 | $106.70 | $268,991 | Direct |
| Nov 14, 2025 | POST Post Holdings, Inc. | Tax Payment | 2,757 | $106.34 | $293,179 | Direct |
| Nov 12, 2025 | POST Post Holdings, Inc. | Tax Payment | 2,171 | $106.02 | $230,169 | Direct |
| Nov 12, 2025 | POST Post Holdings, Inc. | Exercise | 4,759 | - | - | Direct |
| Nov 12, 2025 | POST Post Holdings, Inc. | Tax Payment | 1,413 | $106.02 | $149,806 | Direct |
| Nov 12, 2025 | POST Post Holdings, Inc. | Exercise | 3,097 | - | - | Direct |
1-10 of 21 transactions