Follow the people · Insider
Lester B. Knight
Lester B. Knight files insider transactions with the SEC as a director of Aon (AON). We hold 2 disclosed purchases and sales filed since 21 March 2006, 1 of them in the last 90 days.
- Files forAON
- Disclosed buys and sells2 in all, 1 in the last 90 days
- Last disclosure3 September 2026
Positions held
2 posts we hold — a term names its own dates; a run of filings only says when they filed- Filed 6 May 2011 — 2 September 2026Director · Aon (AON)88 Form 4 lines · source: SEC Form 4
- Filed 17 March 2006 — 1 June 2011Director · Aon (AOC)26 Form 4 lines · source: SEC Form 4
Everything they disclosed
114 entries, newest first — one per disclosure report, one per Form 4 line- ▲ bought on the open market 1,739 shares of AonSEC Form 43 September 2026Class A Ordinary Stock · traded 2 September 2026 · filed 3 September 2026
- ▲ bought on the open market 5,097 shares of AonSEC Form 43 September 2026Class A Ordinary Stock · traded 2 September 2026 · filed 3 September 2026
- ▲ bought on the open market 7,212 shares of AonSEC Form 43 September 2026Class A Ordinary Stock · traded 2 September 2026 · filed 3 September 2026
- ▲ bought on the open market 4,145 shares of AonSEC Form 43 September 2026Class A Ordinary Stock · traded 2 September 2026 · filed 3 September 2026
- ▲ bought on the open market 1,440 shares of AonSEC Form 43 September 2026Class A Ordinary Stock · traded 2 September 2026 · filed 3 September 2026
- ▲ bought on the open market 367 shares of AonSEC Form 43 September 2026Class A Ordinary Stock · traded 2 September 2026 · filed 3 September 2026
- was granted 1,488 shares of AonSEC Form 429 June 2026Class A Ordinary Stock · traded 25 June 2026 · filed 29 June 2026
- ▲ bought on the open market 4,000 shares of AonSEC Form 412 February 2026Class A Ordinary Stock · traded 10 February 2026 · filed 12 February 2026
- ▲ bought on the open market 4,000 shares of AonSEC Form 412 February 2026Class A Ordinary Stock · traded 10 February 2026 · filed 12 February 2026
- gave away 7,878 shares of AonSEC Form 49 December 2025Class A Ordinary Stock · traded 5 December 2025 · filed 9 December 2025
- was granted 1,273 shares of AonSEC Form 430 June 2025Class A Ordinary Stock · traded 26 June 2025 · filed 30 June 2025
- acquired or disposed of, other 55,000 shares of AonSEC Form 48 August 2024Class A Ordinary Stock · traded 6 August 2024 · filed 8 August 2024
- was granted 1,517 shares of AonSEC Form 424 June 2024Class A Ordinary Stock · traded 20 June 2024 · filed 24 June 2024
- ▲ bought on the open market 1,466 shares of AonSEC Form 47 May 2024Class A Ordinary Stock · traded 3 May 2024 · filed 7 May 2024
- ▲ bought on the open market 2,426 shares of AonSEC Form 47 May 2024Class A Ordinary Stock · traded 3 May 2024 · filed 7 May 2024
- ▲ bought on the open market 1,109 shares of AonSEC Form 47 May 2024Class A Ordinary Stock · traded 3 May 2024 · filed 7 May 2024
- ▲ bought on the open market 1,466 shares of AonSEC Form 47 May 2024Class A Ordinary Stock · traded 3 May 2024 · filed 7 May 2024
- ▲ bought on the open market 2,426 shares of AonSEC Form 47 May 2024Class A Ordinary Stock · traded 3 May 2024 · filed 7 May 2024
- ▲ bought on the open market 1,109 shares of AonSEC Form 47 May 2024Class A Ordinary Stock · traded 3 May 2024 · filed 7 May 2024
- ▲ bought on the open market 25,000 shares of AonSEC Form 49 February 2024Class A Ordinary Stock · traded 7 February 2024 · filed 9 February 2024
- ▲ bought on the open market 25,000 shares of AonSEC Form 49 February 2024Class A Ordinary Stock · traded 7 February 2024 · filed 9 February 2024
- gave away 20,500 shares of AonSEC Form 414 November 2023Class A Ordinary Stock · traded 10 November 2023 · filed 14 November 2023
- was granted 1,314 shares of AonSEC Form 420 June 2023Class A Ordinary Stock · traded 15 June 2023 · filed 20 June 2023
- had shares withheld for tax on 365 shares of AonSEC Form 420 June 2023Class A Ordinary Stock · traded 15 June 2023 · filed 20 June 2023
- was granted 1,666 shares of AonSEC Form 422 June 2022Class A Ordinary Stock · traded 17 June 2022 · filed 22 June 2022
- ▲ bought on the open market 4,000 shares of AonSEC Form 49 May 2022Class A Ordinary Stock · traded 5 May 2022 · filed 9 May 2022
- ▲ bought on the open market 10,000 shares of AonSEC Form 49 May 2022Class A Ordinary Stock · traded 5 May 2022 · filed 9 May 2022
- ▲ bought on the open market 2,900 shares of AonSEC Form 49 August 2021Class A Ordinary Stock · traded 4 August 2021 · filed 9 August 2021
- ▲ bought on the open market 2,100 shares of AonSEC Form 49 August 2021Class A Ordinary Stock · traded 4 August 2021 · filed 9 August 2021
- ▲ bought on the open market 3,685 shares of AonSEC Form 49 August 2021Class A Ordinary Stock · traded 4 August 2021 · filed 9 August 2021
- ▲ bought on the open market 1,315 shares of AonSEC Form 49 August 2021Class A Ordinary Stock · traded 4 August 2021 · filed 9 August 2021
- was granted 1,720 shares of AonSEC Form 429 June 2021Class A Ordinary Stock · traded 25 June 2021 · filed 29 June 2021
- ▲ bought on the open market 9,700 shares of AonSEC Form 49 November 2020Class A Ordinary Stock · traded 5 November 2020 · filed 9 November 2020
- ▲ bought on the open market 300 shares of AonSEC Form 49 November 2020Class A Ordinary Stock · traded 5 November 2020 · filed 9 November 2020
- was granted 2,147 shares of AonSEC Form 423 June 2020Class A Ordinary Stock · traded 19 June 2020 · filed 23 June 2020
- ▲ bought on the open market 15,000 shares of AonSEC Form 415 May 2020Class A Ordinary Stock · traded 13 May 2020 · filed 15 May 2020
- ▲ bought on the open market 55,000 shares of AonSEC Form 415 May 2020Class A Ordinary Stock · traded 13 May 2020 · filed 15 May 2020
- was granted 2,089 shares of AonSEC Form 425 June 2019Class A Ordinary Stock · traded 21 June 2019 · filed 25 June 2019
- was granted 2,881 shares of AonSEC Form 425 June 2018Class A Ordinary Stock · traded 22 June 2018 · filed 25 June 2018
- ▲ bought on the open market 50,000 shares of AonSEC Form 48 February 2018Class A Ordinary Stock · traded 6 February 2018 · filed 8 February 2018
- ▲ bought on the open market 10,000 shares of AonSEC Form 48 February 2018Class A Ordinary Stock · traded 6 February 2018 · filed 8 February 2018
- was granted 2,908 shares of AonSEC Form 427 June 2017Class A Ordinary Shares · traded 23 June 2017 · filed 27 June 2017
- was granted 3,702 shares of AonSEC Form 428 June 2016Class A Ordinary Shares · traded 24 June 2016 · filed 28 June 2016
- ▲ bought on the open market 30,000 shares of AonSEC Form 422 February 2016Class A Ordinary Shares · traded 4 February 2014 · filed 22 February 2016
- ▲ bought on the open market 50,000 shares of AonSEC Form 45 August 2015Class A Ordinary Shares · traded 4 August 2015 · filed 5 August 2015
- ▲ bought on the open market 25,000 shares of AonSEC Form 45 August 2015Class A Ordinary Shares · traded 4 August 2015 · filed 5 August 2015
- gave away 3,664 shares of AonSEC Form 45 August 2015Class A Ordinary Shares · traded 16 July 2015 · filed 5 August 2015
- gave away 3,664 shares of AonSEC Form 45 August 2015Class A Ordinary Shares · traded 16 July 2015 · filed 5 August 2015
- was granted 3,664 shares of AonSEC Form 419 June 2015Class A Ordinary Shares · traded 17 June 2015 · filed 19 June 2015
- ▲ bought on the open market 60,000 shares of AonSEC Form 420 November 2014Class A Ordinary Shares · traded 19 November 2014 · filed 20 November 2014
- gave away 4,061 shares of AonSEC Form 420 November 2014Class A Ordinary Shares · traded 23 July 2014 · filed 20 November 2014
- gave away 4,061 shares of AonSEC Form 420 November 2014Class A Ordinary Shares · traded 23 July 2014 · filed 20 November 2014
- was granted 4,061 shares of AonSEC Form 426 June 2014Class A Ordinary Shares · traded 24 June 2014 · filed 26 June 2014
- ▲ bought on the open market 44 shares of AonSEC Form 428 February 2014Class A Ordinary Shares · traded 11 February 2013 · filed 28 February 2014
- ▲ bought on the open market 30,000 shares of AonSEC Form 46 February 2014Class A Ordinary Shares · traded 4 February 2014 · filed 6 February 2014
- gave away 47,639 shares of AonSEC Form 46 February 2014Class A Ordinary Shares · traded 1 July 2013 · filed 6 February 2014
- gave away 47,639 shares of AonSEC Form 46 February 2014Class A Ordinary Shares · traded 1 July 2013 · filed 6 February 2014
- exercised options over 16,279 shares of Aon (a derivative holding)SEC Form 44 June 2013Deferred Stock Unit Award (Right to Receive) · traded 31 May 2013 · filed 4 June 2013
- exercised options over 8,771 shares of Aon (a derivative holding)SEC Form 44 June 2013Phantom Stock · traded 31 May 2013 · filed 4 June 2013
- exercised options over 15,377 shares of Aon (a derivative holding)SEC Form 44 June 2013Phantom Stock · traded 31 May 2013 · filed 4 June 2013
- exercised options over 4,339 shares of Aon (a derivative holding)SEC Form 44 June 2013Phantom Stock · traded 31 May 2013 · filed 4 June 2013
- exercised options over 16,279 shares of AonSEC Form 44 June 2013Class A Ordinary Shares · traded 31 May 2013 · filed 4 June 2013
- exercised options over 8,771 shares of AonSEC Form 44 June 2013Class A Ordinary Shares · traded 31 May 2013 · filed 4 June 2013
- returned to the issuer 2,332 shares of AonSEC Form 44 June 2013Class A Ordinary Shares · traded 31 May 2013 · filed 4 June 2013
- exercised options over 15,377 shares of AonSEC Form 44 June 2013Class A Ordinary Shares · traded 31 May 2013 · filed 4 June 2013
- exercised options over 4,339 shares of AonSEC Form 44 June 2013Class A Ordinary Shares · traded 31 May 2013 · filed 4 June 2013
- was granted 5,205 shares of AonSEC Form 421 May 2013Class A Ordinary Shares · traded 17 May 2013 · filed 21 May 2013
- ▲ bought on the open market 25,000 shares of AonSEC Form 419 February 2013Class A Ordinary Shares · traded 15 February 2013 · filed 19 February 2013
- gave away 4,127 shares of AonSEC Form 414 February 2013Class A Ordinary Shares · traded 9 February 2012 · filed 14 February 2013
- gave away 4,127 shares of AonSEC Form 414 February 2013Class A Ordinary Shares · traded 9 February 2012 · filed 14 February 2013
- gave away 5,082 shares of AonSEC Form 414 February 2013Class A Ordinary Shares · traded 21 February 2012 · filed 14 February 2013
- gave away 5,082 shares of AonSEC Form 414 February 2013Class A Ordinary Shares · traded 21 February 2012 · filed 14 February 2013
- gave away 5,939 shares of AonSEC Form 414 February 2013Class A Ordinary Shares · traded 25 May 2012 · filed 14 February 2013
- gave away 5,939 shares of AonSEC Form 414 February 2013Class A Ordinary Shares · traded 25 May 2012 · filed 14 February 2013
- gave away 15,387 shares of AonSEC Form 414 February 2013Class A Ordinary Shares · traded 6 September 2012 · filed 14 February 2013
- gave away 15,387 shares of AonSEC Form 414 February 2013Class A Ordinary Shares · traded 6 September 2012 · filed 14 February 2013
- was granted 6,996 shares of AonSEC Form 431 July 2012Class A Ordinary Shares · traded 27 July 2012 · filed 31 July 2012
- exercised options over 2,702 shares of Aon (a derivative holding)SEC Form 44 June 2012Deferred Stock Unit Award (Right to Receive) · traded 1 June 2012 · filed 4 June 2012
- exercised options over 5,689 shares of Aon (a derivative holding)SEC Form 44 June 2012Deferred Stock Unit Award (Right to Receive) · traded 1 June 2012 · filed 4 June 2012
- exercised options over 2,702 shares of AonSEC Form 44 June 2012Class A Ordinary Shares · traded 1 June 2012 · filed 4 June 2012
- exercised options over 5,689 shares of AonSEC Form 44 June 2012Class A Ordinary Shares · traded 1 June 2012 · filed 4 June 2012
- exercised options over 5,939 shares of Aon (a derivative holding)SEC Form 416 April 2012Phantom Stock · traded 12 April 2012 · filed 16 April 2012
- exercised options over 5,939 shares of AonSEC Form 416 April 2012Class A Ordinary Shares · traded 12 April 2012 · filed 16 April 2012
- exercised options over 5,082 shares of Aon (a derivative holding)SEC Form 415 February 2012Deferred Stock Unit Award (Right to Receive) · traded 1 December 2011 · filed 15 February 2012
- gave away 19,997 shares of AonSEC Form 415 February 2012Common Stock · traded 6 May 2011 · filed 15 February 2012
- exercised options over 5,082 shares of AonSEC Form 415 February 2012Common Stock · traded 1 December 2011 · filed 15 February 2012
- was granted 601 shares of Aon (a derivative holding)SEC Form 422 November 2011Phantom Stock · traded 18 November 2011 · filed 22 November 2011
- was granted 625 shares of Aon (a derivative holding)SEC Form 420 September 2011Phantom Stock · traded 16 September 2011 · filed 20 September 2011
- exercised options over 2,098 shares of Aon (a derivative holding)SEC Form 43 June 2011Deferred Stock Unit Award (Right to Receive) · traded 1 June 2011 · filed 3 June 2011
- exercised options over 2,098 shares of AonSEC Form 43 June 2011Common Stock · traded 1 June 2011 · filed 3 June 2011
- was granted 2,010 shares of Aon (a derivative holding)SEC Form 424 May 2011Deferred Stock Units · traded 20 May 2011 · filed 24 May 2011
- was granted 3,829 shares of Aon (a derivative holding)SEC Form 424 May 2011Deferred Stock Units · traded 20 May 2011 · filed 24 May 2011
- was granted 527 shares of Aon (a derivative holding)SEC Form 424 May 2011Phantom Stock · traded 20 May 2011 · filed 24 May 2011
- was granted 529 shares of Aon (a derivative holding)SEC Form 422 March 2011Phantom Stock · traded 18 March 2011 · filed 22 March 2011
- ▲ bought on the open market 25,000 shares of AonSEC Form 41 December 2010Common Stock · traded 29 November 2010 · filed 1 December 2010
- ▲ bought on the open market 25,000 shares of AonSEC Form 41 December 2010Common Stock · traded 30 November 2010 · filed 1 December 2010
- exercised options over 2,029 shares of Aon (a derivative holding)SEC Form 43 June 2010Deferred Stock Unit Award (Right to Receive) · traded 1 June 2010 · filed 3 June 2010
- exercised options over 2,029 shares of AonSEC Form 43 June 2010Common Stock · traded 1 June 2010 · filed 3 June 2010
- was granted 2,397 shares of Aon (a derivative holding)SEC Form 425 May 2010Deferred Stock Units · traded 21 May 2010 · filed 25 May 2010
- was granted 5,045 shares of Aon (a derivative holding)SEC Form 425 May 2010Deferred Stock Units · traded 21 May 2010 · filed 25 May 2010
- was granted 2,594 shares of Aon (a derivative holding)SEC Form 419 May 2009Deferred Stock Units · traded 15 May 2009 · filed 19 May 2009
- was granted 5,462 shares of Aon (a derivative holding)SEC Form 419 May 2009Deferred Stock Units · traded 15 May 2009 · filed 19 May 2009
- was granted 4,872 shares of Aon (a derivative holding)SEC Form 425 November 2008Deferred Stock Units · traded 21 November 2008 · filed 25 November 2008
- was granted 2,011 shares of Aon (a derivative holding)SEC Form 420 May 2008Deferred Stock Units · traded 16 May 2008 · filed 20 May 2008
- was granted 448 shares of Aon (a derivative holding)SEC Form 419 November 2007Phantom Stock · traded 16 November 2007 · filed 19 November 2007
- was granted 542 shares of Aon (a derivative holding)SEC Form 425 September 2007Phantom Stock · traded 21 September 2007 · filed 25 September 2007
- was granted 543 shares of Aon (a derivative holding)SEC Form 422 May 2007Phantom Stock · traded 18 May 2007 · filed 22 May 2007
- was granted 1,945 shares of Aon (a derivative holding)SEC Form 422 May 2007Deferred Stock Units · traded 18 May 2007 · filed 22 May 2007
- was granted 628 shares of Aon (a derivative holding)SEC Form 419 March 2007Phantom Stock · traded 16 March 2007 · filed 19 March 2007
- was granted 673 shares of Aon (a derivative holding)SEC Form 421 November 2006Phantom Stock · traded 17 November 2006 · filed 21 November 2006
- was granted 690 shares of Aon (a derivative holding)SEC Form 419 September 2006Phantom Stock · traded 15 September 2006 · filed 19 September 2006
- was granted 655 shares of Aon (a derivative holding)SEC Form 423 May 2006Phantom Stock · traded 19 May 2006 · filed 23 May 2006
- was granted 2,343 shares of Aon (a derivative holding)SEC Form 423 May 2006Deferred Stock Units · traded 19 May 2006 · filed 23 May 2006
- was granted 574 shares of Aon (a derivative holding)SEC Form 421 March 2006Phantom Stock · traded 17 March 2006 · filed 21 March 2006
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.