Insider Transactions in Q4 2025 at Post Holdings, Inc. (POST)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 26
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
BUY
Bona fide gift
|
Indirect |
131,187
+50.0%
|
-
|
|
Dec 26
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
SELL
Bona fide gift
|
Indirect |
131,187
-79.55%
|
-
|
|
Dec 18
2025
|
William P Stiritz |
SELL
Sale (or disposition) back to the issuer
|
Direct |
170,000
-3.77%
|
$17,170,000
$101.81 P/Share
|
|
Dec 18
2025
|
William P Stiritz |
BUY
Exercise of conversion of derivative security
|
Direct |
170,000
+3.64%
|
-
|
|
Dec 17
2025
|
William P Stiritz |
SELL
Sale (or disposition) back to the issuer
|
Direct |
10,703
-0.25%
|
$1,081,003
$101.19 P/Share
|
|
Dec 17
2025
|
William P Stiritz |
BUY
Exercise of conversion of derivative security
|
Direct |
10,703
+0.25%
|
-
|
|
Dec 05
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
SELL
Open market or private sale
|
Direct |
1,658
-12.66%
|
$159,168
$96.69 P/Share
|
|
Dec 04
2025
|
Matthew J Mainer EVP, CFO & TREASURER |
SELL
Bona fide gift
|
Direct |
600
-0.8%
|
-
|
|
Dec 01
2025
|
Jeff A Zadoks EVP & COO |
BUY
Bona fide gift
|
Indirect |
30,000
+16.42%
|
-
|
|
Dec 01
2025
|
Jeff A Zadoks EVP & COO |
SELL
Bona fide gift
|
Direct |
30,000
-51.97%
|
-
|
|
Dec 01
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
BUY
Other acquisition or disposition
|
Indirect |
40,974
+19.9%
|
-
|
|
Dec 01
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
SELL
Other acquisition or disposition
|
Direct |
40,974
-56.24%
|
-
|
|
Dec 01
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
446
-1.66%
|
$46,384
$104.03 P/Share
|
|
Dec 01
2025
|
Matthew J Mainer EVP, CFO & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
269
-0.36%
|
$27,976
$104.03 P/Share
|
|
Nov 25
2025
|
Nicolas Catoggio PRES & CEO, PCB |
SELL
Open market or private sale
|
Direct |
10,000
-11.69%
|
$1,000,000
$100.21 P/Share
|
|
Nov 24
2025
|
David W Kemper Director |
BUY
Open market or private purchase
|
Direct |
1,800
+5.4%
|
$174,600
$97.93 P/Share
|
|
Nov 18
2025
|
Mark W Westphal PRES., FOODSERVICE |
BUY
Grant, award, or other acquisition
|
Direct |
19,925
+4.76%
|
-
|
|
Nov 18
2025
|
Jeff A Zadoks EVP & COO |
BUY
Grant, award, or other acquisition
|
Direct |
8,935
+13.4%
|
-
|
|
Nov 18
2025
|
Matthew J Mainer EVP, CFO & TREASURER |
BUY
Grant, award, or other acquisition
|
Direct |
25,461
+15.08%
|
-
|
|
Nov 18
2025
|
Robert V Vitale PRESIDENT & CEO |
BUY
Grant, award, or other acquisition
|
Direct |
67,778
+3.36%
|
-
|
|
Nov 18
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
BUY
Grant, award, or other acquisition
|
Direct |
25,227
+15.46%
|
-
|
|
Nov 18
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
4,887
+15.11%
|
-
|
|
Nov 18
2025
|
Nicolas Catoggio PRES & CEO, PCB |
BUY
Grant, award, or other acquisition
|
Direct |
26,679
+12.98%
|
-
|
|
Nov 16
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
192
-2.17%
|
$20,352
$106.7 P/Share
|
|
Nov 16
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
435
+4.69%
|
-
|
|
Nov 15
2025
|
Jeff A Zadoks EVP & COO |
SELL
Payment of exercise price or tax liability
|
Direct |
2,752
-5.34%
|
$291,712
$106.7 P/Share
|
|
Nov 15
2025
|
Matthew J Mainer EVP, CFO & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
937
-1.84%
|
$99,322
$106.7 P/Share
|
|
Nov 15
2025
|
Robert V Vitale PRESIDENT & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
8,037
-0.87%
|
$851,922
$106.7 P/Share
|
|
Nov 15
2025
|
Mark W Westphal PRES., FOODSERVICE |
SELL
Payment of exercise price or tax liability
|
Direct |
2,521
-1.4%
|
$267,226
$106.7 P/Share
|
|
Nov 15
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
SELL
Payment of exercise price or tax liability
|
Direct |
2,647
-5.26%
|
$280,582
$106.7 P/Share
|
|
Nov 15
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
299
-3.43%
|
$31,694
$106.7 P/Share
|
|
Nov 15
2025
|
Nicolas Catoggio PRES & CEO, PCB |
SELL
Payment of exercise price or tax liability
|
Direct |
2,470
-4.03%
|
$261,820
$106.7 P/Share
|
|
Nov 14
2025
|
Jeff A Zadoks EVP & COO |
SELL
Payment of exercise price or tax liability
|
Direct |
2,820
-5.19%
|
$298,920
$106.34 P/Share
|
|
Nov 14
2025
|
Matthew J Mainer EVP, CFO & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,249
-2.39%
|
$132,394
$106.34 P/Share
|
|
Nov 14
2025
|
Robert V Vitale PRESIDENT & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
8,237
-0.88%
|
$873,122
$106.34 P/Share
|
|
Nov 14
2025
|
Mark W Westphal PRES., FOODSERVICE |
SELL
Payment of exercise price or tax liability
|
Direct |
2,757
-1.51%
|
$292,242
$106.34 P/Share
|
|
Nov 14
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
SELL
Payment of exercise price or tax liability
|
Direct |
2,934
-5.51%
|
$311,004
$106.34 P/Share
|
|
Nov 14
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
743
-7.86%
|
$78,758
$106.34 P/Share
|
|
Nov 14
2025
|
Nicolas Catoggio PRES & CEO, PCB |
SELL
Payment of exercise price or tax liability
|
Direct |
2,938
-4.57%
|
$311,428
$106.34 P/Share
|
|
Nov 12
2025
|
Matthew J Mainer EVP, CFO & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
4,372
-4.11%
|
$463,432
$106.02 P/Share
|
|
Nov 12
2025
|
Matthew J Mainer EVP, CFO & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
9,924
+8.5%
|
-
|
|
Nov 12
2025
|
Nicolas Catoggio PRES & CEO, PCB |
SELL
Payment of exercise price or tax liability
|
Direct |
3,926
-3.01%
|
$416,156
$106.02 P/Share
|
|
Nov 12
2025
|
Nicolas Catoggio PRES & CEO, PCB |
BUY
Exercise of conversion of derivative security
|
Direct |
8,607
+6.18%
|
-
|
|
Nov 12
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
SELL
Payment of exercise price or tax liability
|
Direct |
6,046
-5.54%
|
$640,876
$106.02 P/Share
|
|
Nov 12
2025
|
Diedre J Gray EVP, GC & CAO, SECY |
BUY
Exercise of conversion of derivative security
|
Direct |
13,722
+11.12%
|
-
|
|
Nov 12
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
564
-5.63%
|
$59,784
$106.02 P/Share
|
|
Nov 12
2025
|
Bradly A Harper SVP, CHIEF ACCTING OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
1,280
+11.33%
|
-
|
|
Nov 12
2025
|
Robert V Vitale PRESIDENT & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
16,656
-0.89%
|
$1,765,536
$106.02 P/Share
|
|
Nov 12
2025
|
Robert V Vitale PRESIDENT & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
37,809
+1.97%
|
-
|
|
Nov 12
2025
|
Mark W Westphal PRES., FOODSERVICE |
SELL
Payment of exercise price or tax liability
|
Direct |
3,584
-0.97%
|
$379,904
$106.02 P/Share
|