STIRITZ WILLIAM P exercised options at POST HOLDINGS, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 2 exercises
Filed: 12/19/2025ACC: 0001052058-25-000020
-180.70K
Net shares
Net seller
$18.39M
Total sold
0
Open market trades
0B · 0S
6
Total transactions
180.70K acquired · 361.41K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
+10.70K
Price / share
—
Trade value
—
% of position
0.2%
12/17/2025
4.33M→4.35M
Common Stock
Direct
Shares
−10.70K
Price / share
$101.19
Trade value
$1.08M
% of position
0.2%
12/17/2025
4.35M→4.33M
Common Stock
Direct
Shares
+170K
Price / share
—
Trade value
—
% of position
3.9%
12/18/2025
4.33M→4.50M
Common Stock
Direct
Shares
−170K
Price / share
$101.81
Trade value
$17.31M
% of position
3.8%
12/18/2025
4.50M→4.33M
Total
Net shares
+0.00
Net value
-$18.39M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 12/17/2025 | M · Option Exercise | +10.70K | — | — | 0.2% | 4.33M | 4.35M |
| Common Stock Direct | 12/17/2025 | D · Disposition | −10.70K | $101.19 | $1.08M | 0.2% | 4.35M | 4.33M |
| Common Stock Direct | 12/18/2025 | M · Option Exercise | +170K | — | — | 3.9% | 4.33M | 4.50M |
| Common Stock Direct | 12/18/2025 | D · Disposition | −170K | $101.81 | $17.31M | 3.8% | 4.50M | 4.33M |
| Total | +0.00 | -$18.39M | ||||||
Derivative Transactions2
Post Holdings, Inc. Stock Equivalents
Direct
Converts to
Common Stock
10.70K shares
Shares
−10.70K
Strike price
Held after
170K
Exercisable
—
12/17/2025
Post Holdings, Inc. Stock Equivalents
Direct
Converts to
Common Stock
170K shares
Shares
−170K
Strike price
Held after
0.00
Exercisable
—
12/18/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Post Holdings, Inc. Stock Equivalents Direct | Common Stock10.70K shares | 12/17/2025 | M · Option Exercise | −10.70K | — | 170K | |
| Post Holdings, Inc. Stock Equivalents Direct | Common Stock170K shares | 12/18/2025 | M · Option Exercise | −170K | — | 0.00 |
Non-Derivative Holdings (Post-Transaction)2
Common Stock
IndirectShares owned169.37K
Common Stock
IndirectShares owned384.13K
Total
553.50K indirect553.50K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 169.37K | Indirect |
| Common Stock | 384.13K | Indirect |
| Total | 553.50K | 553.50K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported