Andrew Castellaneta, Omnicom Group tax withholding

Chief accounting officer, SEC Form 4, filed on August 18, 2026
SEC filingOMC insider historyOMC stock page
−1,348 sharesnet change in holding. Not an open-market purchase or sale
Transaction date
August 15, 2026
Shares held after
20,795Direct ownership
Change in holding
−6.09%From the transactions in the filing
Filing rows
1None is a purchase or sale

Price context

OMC daily close, Apr 17 to October 23, 2026
$88.94$70.83
Daily close
Grants, options, tax
Transaction price
Not reportedNot an open-market trade
Close on trade date
$85.46August 15, 2026
Latest close
$82.68October 23, 2026
Since the trade
−3.25%vs the close on trade date

Transactions in the filing

DateTransactionSecuritySharesPriceAmountAfter
Tax withholding
Common stockDirect
1,348
$87.57
$118,044
20,795

Recent filings at Omnicom Group

Full history
PersonTransactionAmount or sharesDate
Linda Johnson RiceDirector
Grant
+697 shares
Gracia C. MartoreDirector
Grant
+696 shares
Deborah J. KissireDirector
Grant
+696 shares
E. Lee WyattDirector
Grant
+697 shares
Valerie WilliamsDirector
Grant
+696 shares
Cassandra SantosDirector
Grant
+696 shares
Ronnie S. HawkinsDirector
Grant
+696 shares
Mark D. GersteinDirector
Grant
+1,002 shares