A large exercise of company stock options by John Gibbons, EVP at Fiserv (NYSE:FI) was disclosed in a new SEC filing on August 22, as part of an insider exercise. What Happened: A notable Form 4 filing on Thursday with the U.S. Securities and Exchange Commission revealed that Gibbons, EVP at Fiserv, exercised stock options for 18,890 shares of FI, resulting in a transaction value of $1,056,328. The Friday morning update indicates Fiserv shares down by 0.0%, currently priced at $168.79. At this value, Gibbons’s 18,890 shares are worth $1,056,328. Delving into Fiserv’s BackgroundFiserv is a lead…