David A Dykstra, chief operating officer of Wintrust Financial Corp ($WTFC), sold 13,515 shares of common stock on August 13, 2026. The open-market sale executed at $162.77 per share, for $2,199,837 total, according to a Form 4 filed the same day. Dykstra held 166,449 shares after the transaction. The per-share price was slightly above $WTFC's August 12 close of $162.60.
The August sale was his third open-market sale in roughly a year. On April 27, 2026, Dykstra sold 9,579 shares at $148.82 apiece for $1,425,547, leaving 179,810 shares. On July 29, 2025, he sold 14,942 shares at $131.53 apiece for $1,965,321, leaving 182,208 shares. The three transactions totaled about $5.59 million. August's price was the highest of the three.
Other Wintrust insiders also reported 2026 sales. Chief financial officer David L Stoehr sold 3,020 shares on April 23 at $150.45 per share for $454,359. He had sold 2,499 shares on January 29 at $146.16 for $365,254. Director Suzet M McKinney sold 500 shares on May 4 at $148.96 for $74,480. Vice chair and chief lending officer Richard B Murphy sold 3,979 shares on March 2 at $147.12 for $585,390 and 3,291 shares on January 29 at $146.05 for $480,651; the combined total was 7,270 shares. Vice president Kathleen M Boege reported three sales between January 29 and February 4 totaling 10,000 shares: 2,066 at $146.37, 2,934 at $146.39, and 5,000 at $159.61. Vice chair David Eric Lee sold 558 shares on January 30 at $147.42 for $82,260. Vice president Jeffrey D Hahnfeld sold 314 shares on January 27 at $145.43 for $45,665 and 530 shares on March 4 at $145.65 for $77,195. Wintrust insiders filed 13 sale transactions in 2026 through August 13. The other insiders' 2026 sales totaled more than $3.6 million.
Wintrust Financial operates in banking and had a market capitalization of about $10.77 billion as of the latest available data. At the August 13 sale price of $162.77, Dykstra's remaining 166,449 shares were worth roughly $27.1 million. Dykstra's three sales and the other 2026 sales by Wintrust insiders totaled more than $9.2 million. The database showed no 2026 congressional STOCK Act disclosure for $WTFC. The most recent congressional record was a 2016 sale disclosed by Representative Thomas Macarthur.