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SEI Investments Company (SEIC) Insider Trading

Total insider buys:
  • $13,004,390.64
Total insider sells:
  • $387,469,887.90
Most recent insider trade:
  • Aug. 19, 2025
Most active insider trader:
  • Alfred P West Jr
Trader NameDateTitleAmountPriceTypeTotal Value
March 8, 2017Insider10,000$51.26Sell$512,600.00
March 6, 2017Insider30,000$51.07Sell$1,532,100.00
March 3, 2017VP22,500$51.30Sell$1,154,250.00
Feb. 23, 2017Director3,063$50.45Sell$154,528.35
Feb. 22, 2017Insider12,500$50.28Sell$628,500.00
Feb. 21, 2017Insider20,000$50.50Sell$1,010,000.00
Feb. 9, 2017Major Shareholder71,000$49.08Sell$3,484,680.00
Feb. 7, 2017Major Shareholder50,000$48.97Sell$2,448,500.00
Feb. 3, 2017Major Shareholder65,000$49.00Sell$3,185,000.00
Dec. 27, 2016Insider12,500$49.93Sell$624,125.00
Dec. 13, 2016Insider3,925$49.61Sell$194,719.25
Nov. 15, 2016Director4,000$47.30Sell$189,200.00
Nov. 9, 2016Major Shareholder25,000$45.06Sell$1,126,500.00
Nov. 8, 2016Major Shareholder4,760$44.51Sell$211,867.60
Nov. 7, 2016Major Shareholder64,822$44.48Sell$2,883,282.56
Aug. 8, 2016Major Shareholder90,000$44.98Sell$4,048,200.00
June 10, 2016Director16,500$49.89Sell$823,185.00
June 3, 2016CAO25,000$50.25Sell$1,256,250.00
May 27, 2016EVP19,000$51.16Sell$972,040.00
May 25, 2016EVP5,000$51.16Sell$255,800.00
May 24, 2016EVP3,500$51.00Sell$178,500.00
May 24, 2016Insider5,000$51.01Sell$255,050.00
May 10, 2016EVP10,000$49.12Sell$491,200.00
May 2, 2016Major Shareholder60,000$48.81Sell$2,928,600.00
March 28, 2016EVP188$42.00Sell$7,896.00
March 17, 2016Major Shareholder50,000$40.47Sell$2,023,500.00
Jan. 29, 2016Director6,592$37.91Buy$249,902.72
Dec. 23, 2015Director12,500$51.84Sell$648,000.00
Dec. 14, 2015EVP10,000$50.37Sell$503,700.00
Nov. 6, 2015EVP15,000$53.46Sell$801,900.00
Nov. 5, 2015EVP10,000$53.28Sell$532,800.00
Nov. 4, 2015Director5,000$53.04Sell$265,200.00
Nov. 2, 2015EVP20,000$53.49Sell$1,069,800.00
Oct. 30, 2015Major Shareholder50,000$51.95Sell$2,597,500.00
Oct. 28, 2015EVP19,000$51.92Sell$986,480.00
Oct. 27, 2015Director2,000$51.09Sell$102,180.00
Sept. 15, 2015EVP10,000$50.25Sell$502,500.00
Sept. 14, 2015major shareholder100,000$50.78Sell$5,078,000.00
Aug. 18, 2015EVP10,000$54.63Sell$546,300.00
Aug. 14, 2015Insider15,000$54.38Sell$815,700.00
June 24, 2015EVP10,000$50.52Sell$505,200.00
June 16, 2015Insider25,000$49.36Sell$1,234,000.00
May 4, 2015Insider3,000$46.66Sell$139,980.00
April 29, 2015EVP30,000$46.34Sell$1,390,200.00
April 27, 2015EVP17,500$46.54Sell$814,450.00
March 13, 2015Insider15,250$42.55Sell$648,887.50
March 11, 2015Major Shareholder39,611$42.57Sell$1,686,240.27
March 11, 2015EVP25,000$42.76Sell$1,069,000.00
March 6, 2015Major Shareholder6,200$42.29Sell$262,198.00
March 3, 2015Major Shareholder49,139$43.26Sell$2,125,753.14
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  • Insiders are both buying and selling SEI Investments Company stock.

  • The insider traders at SEI Investments Company are: Alfred P West Jr, Wayne Withrow, N Jeffrey Klauder, Dennis Mcgonigle, Joseph P Ujobai, William Doran, Sarah Blumenstein, Stephen Meyer, Alfred West, Jr., Richard Lieb, Kathryn Mccarthy, Kevin Barr, Kathy Heilig, Paul Klauder, Carmen Romeo, Michael Peterson, Ryan Hicke, Robert Crudup, Edward Loughlin, Mark Andrew Warner, Joseph Ujobai, Joseph P. Ujobai, Sanjay Sharma, Carl Guarino, Alfred P. West, Jr., Sei Investments Co, and Philip Mccabe

  • The most active insider trader at SEI Investments Company is Alfred P West Jr with 68 trades.

  • Alfred P West Jr has sold the most SEI Investments Company stock with a total value of $229,468,222.65.

  • Sei Investments Co has bought the most SEI Investments Company stock with a total value of $24,800,000.00.

  • The most recent insider trade for SEI Investments Company was on Aug. 19, 2025.

  • The single biggest insider buy for SEI Investments Company was from Sei Investments Co with a total value of $12,400,000.00 on Oct. 31, 2023.

  • The single biggest insider sell for SEI Investments Company was from Alfred P West Jr with a total value of $11,376,062.95 on Nov. 28, 2018.