Latest Insider Transactions at Post Holdings, Inc. (POST)
This section provides a real-time view of insider transactions for Post Holdings, Inc. (POST). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of Post Holdings, Inc. to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of Post Holdings, Inc.'s insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Jan 02
2026
|
Jeff A Zadoks EVP & COO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,179
-1.29%
|
$116,721
$99.05 P/Share
|
|
Jan 02
2026
|
Jeff A Zadoks EVP & COO |
BUY
Exercise of conversion of derivative security
|
Direct |
9,731
+20.94%
|
-
|
|
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
|