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SEI Investments Company (SEIC) Insider Trading

Total insider buys:
  • $13,004,390.64
Total insider sells:
  • $400,652,647.12
Most recent insider trade:
  • March 11, 2026
Most active insider trader:
  • Alfred P West Jr
Trader NameDateTitleAmountPriceTypeTotal Value
Feb. 27, 2019Major Shareholder100,000$52.65Sell$5,265,000.00
Feb. 25, 2019Insider27,703$52.96Sell$1,467,150.88
Feb. 22, 2019EVP13,988$52.68Sell$736,887.84
Feb. 14, 2019EVP10,000$50.50Sell$505,000.00
Feb. 5, 2019Insider3,110$49.81Buy$154,909.10
Feb. 5, 2019EVP15,500$50.00Sell$775,000.00
Dec. 19, 2018EVP4,997$47.50Sell$237,357.50
Dec. 4, 2018Director15,000$51.63Sell$774,450.00
Nov. 28, 2018Major Shareholder212,995$53.41Sell$11,376,062.95
Nov. 26, 2018Major Shareholder96,767$53.28Sell$5,155,745.76
Nov. 23, 2018Major Shareholder36,226$52.96Sell$1,918,528.96
Nov. 21, 2018Major Shareholder145,238$52.76Sell$7,662,756.88
Sept. 12, 2018Insider15,000$62.83Sell$942,450.00
Aug. 13, 2018Insider1,473$59.84Sell$88,144.32
Aug. 10, 2018Insider1,500$59.80Sell$89,700.00
Aug. 1, 2018EVP25,000$59.14Sell$1,478,500.00
June 12, 2018Insider20,000$66.52Sell$1,330,400.00
March 21, 2018EVP4,524$77.59Sell$351,017.16
March 13, 2018EVP3,637$23.86Buy$86,778.82
March 12, 2018Insider20,424$77.44Sell$1,581,634.56
March 7, 2018Director5,400$74.65Sell$403,110.00
Feb. 27, 2018Director15,000$74.17Sell$1,112,550.00
Feb. 16, 2018EVP10,000$73.52Sell$735,200.00
Feb. 16, 2018Insider20,000$73.77Sell$1,475,400.00
Feb. 9, 2018EVP20,000$72.81Sell$1,456,200.00
Dec. 5, 2017Insider10,000$70.35Sell$703,500.00
Dec. 1, 2017Insider15,000$69.63Sell$1,044,450.00
Nov. 21, 2017Insider20,000$68.39Sell$1,367,800.00
Nov. 21, 2017EVP8,750$69.36Sell$606,900.00
Nov. 15, 2017Director5,000$65.33Sell$326,650.00
Nov. 9, 2017Insider17,500$64.46Sell$1,128,050.00
Nov. 3, 2017Insider10,000$64.77Sell$647,700.00
Nov. 2, 2017Major Shareholder50,000$64.64Sell$3,232,000.00
Sept. 28, 2017Insider20,000$61.51Sell$1,230,200.00
Sept. 26, 2017Director10,000$59.74Sell$597,400.00
Sept. 20, 2017Insider10,000$59.97Sell$599,700.00
Sept. 19, 2017Insider20,000$58.77Sell$1,175,400.00
Sept. 19, 2017Director10,000$58.69Sell$586,900.00
Aug. 30, 2017Director10,000$57.49Sell$574,900.00
Aug. 8, 2017Insider15,000$56.35Sell$845,250.00
Aug. 4, 2017Major Shareholder50,000$55.94Sell$2,797,000.00
Aug. 3, 2017Major Shareholder50,000$56.06Sell$2,803,000.00
Aug. 2, 2017Major Shareholder100,000$56.40Sell$5,640,000.00
Aug. 1, 2017Insider30,000$56.35Sell$1,690,500.00
June 20, 2017Insider25,000$53.70Sell$1,342,500.00
June 13, 2017Insider7,500$53.56Sell$401,700.00
June 12, 2017Director5,000$52.40Sell$262,000.00
June 12, 2017Major Shareholder15,884$52.46Sell$833,274.64
June 9, 2017Major Shareholder84,116$51.92Sell$4,367,302.72
May 11, 2017Director5,000$51.60Sell$258,000.00
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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, Ryan Hicke, Carmen Romeo, Michael Peterson, Robert Crudup, Edward Loughlin, Mark Andrew Warner, Carl Guarino, Joseph Ujobai, Joseph P. Ujobai, Sanjay Sharma, Sei Investments Co, Philip Mccabe, and Alfred P. West, Jr.

  • The most active insider trader at SEI Investments Company is Alfred P West Jr with 70 trades.

  • Alfred P West Jr has sold the most SEI Investments Company stock with a total value of $229,488,271.81.

  • 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 March 11, 2026.

  • 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.