SEC Form 4 · Updated Daily

AON

AON PUBLIC LIMITED COMPANY Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
Case Gregory CDirector · Officer175,1692026-02-19G
KNIGHT LESTER BDirector163,0002026-09-02P
FRANCIS CHERYL ADirector29,293.7352026-06-25F
NOTEBAERT RICHARD CDirector28,327.7352026-06-25F
Stevens LisaOfficer26,321.4912026-02-18G
SANTONA GLORIADirector22,461.7352026-06-25F
CAMPBELL JEFFREY CDirector12,620.7352026-06-25F
Zeidel DarrenOfficer11,504.0992026-07-28S
Marcell AndyOfficer8,819.572026-03-13F
Cai Jin-YongDirector7,844.8522026-06-25F
Goltermann LoriOfficer6,795.4472026-03-13F
Simon Mindy F.Officer6,496.4852026-02-13F
Spruell ByronDirector6,376.7352026-06-25F
Corona AnneOfficer4,194.7912026-03-13F
Reese EdmundOfficer3,900.9692026-07-01F
Karaboutis AdrianaDirector2,605.7352026-06-25F
SMITH SARAH GDirector2,113.7352026-06-25F
STAVRIDIS JAMES G.Director1,377.4192026-06-25F
Alvarez Jose AntonioDirector1,270.3912026-06-25F
Jenkins Jo AnnDirector874.2122026-06-25F

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-09-02KNIGHT LESTER BOpen-market buy367$330.51163,000
2026-09-02KNIGHT LESTER BOpen-market buy1,440$329.69162,633
2026-09-02KNIGHT LESTER BOpen-market buy4,145$328.34161,193
2026-09-02KNIGHT LESTER BOpen-market buy7,212$327.52157,048
2026-09-02KNIGHT LESTER BOpen-market buy5,097$326.53149,836
2026-09-02KNIGHT LESTER BOpen-market buy1,739$325.63144,739
2026-07-28Zeidel DarrenOpen-market sale475$380.0011,504.099
2026-07-28Zeidel DarrenOpen-market sale725$378.0011,979.099
2026-07-28Zeidel DarrenOpen-market sale700$376.0012,704.099
2026-07-17Zeidel DarrenOpen-market sale675$374.0013,404.099
2026-07-17Zeidel DarrenOpen-market sale650$372.0014,079.099
2026-07-17Zeidel DarrenOpen-market sale625$370.0014,729.099
2026-07-07Zeidel DarrenOpen-market sale600$360.0015,354.099
2026-07-01Reese EdmundOption exercise (derivative)3,975$0.003,975
2026-07-01Reese EdmundTax withholding2,198.112$343.563,900.969
2026-07-01Reese EdmundOption exercise3,9756,099.081
2026-06-25Karaboutis AdrianaTax withholding186.235$315.952,605.735
2026-06-25Karaboutis AdrianaGrant / award7762,791.97
2026-06-25Jenkins Jo AnnTax withholding186.235$315.95874.212
2026-06-25Jenkins Jo AnnGrant / award7761,060.447
2026-06-25SMITH SARAH GTax withholding186.235$315.952,113.735
2026-06-25SMITH SARAH GGrant / award7762,299.97
2026-06-25Cai Jin-YongTax withholding396.524$315.957,844.852
2026-06-25Cai Jin-YongGrant / award7768,241.376
2026-06-25Spruell ByronTax withholding186.235$315.956,376.735
2026-06-25Spruell ByronGrant / award7766,562.97
2026-06-25CAMPBELL JEFFREY CTax withholding186.235$315.9512,620.735
2026-06-25CAMPBELL JEFFREY CGrant / award77612,806.97
2026-06-25SANTONA GLORIATax withholding186.235$315.9522,461.735
2026-06-25SANTONA GLORIAGrant / award77622,647.97
2026-06-25NOTEBAERT RICHARD CTax withholding186.235$315.9528,327.735
2026-06-25NOTEBAERT RICHARD CGrant / award77628,513.97
2026-06-25STAVRIDIS JAMES G.Tax withholding186.235$315.951,377.419
2026-06-25STAVRIDIS JAMES G.Grant / award7761,563.654
2026-06-25FRANCIS CHERYL ATax withholding186.235$315.9529,293.735
2026-06-25FRANCIS CHERYL AGrant / award77629,479.97
2026-06-25Alvarez Jose AntonioTax withholding372.469$315.951,270.391
2026-06-25Alvarez Jose AntonioGrant / award7761,642.86
2026-06-25KNIGHT LESTER BGrant / award1,4885,227
2026-05-12NOTEBAERT RICHARD CGift1,438$0.0027,737.97

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.