BY Byline Bancorp

• $60K bought by 4 insiders
• $25.1M sold by 6 insiders outside a trading plan
• None no planned (10b5-1) sales

1. Insider
   Trade
   Value
   Traded, filed
2. Mary Jo S. Herseth Director
   Buy
   $12K 300 shares at $38.40 +1.6% to stake
   Traded Aug 19 Filed Aug 20
   ↗
3. William G Kistner Director
   Buy
   $3,830 100 shares at $38.30 +0.7% to stake
   Traded Aug 19 Filed Aug 20
   ↗
4. Roberto R Herencia CEO
   Sale
   $774K 19,750 shares at $39.21 4.6% of stake
   Traded Aug 13 Filed Aug 14
   ↗
5. Dana Rose Chief Human Resources Officer
   Sale
   $94K 2,421 shares at $39.00 17% of stake
   Traded Aug 12 Filed Aug 12
   ↗
6. Mbg Investors I, L.P. 10% owner
   Sale
   $11.7M 300,000 shares at $39.10 2.5% of stake
   Traded Aug 7 Filed Aug 11
   ↗
7. William G Kistner Director
   Buy
   $3,197 100 shares at $31.97 +0.7% to stake
   Traded May 4 Filed May 4
   ↗
8. Mary Jo S. Herseth Director
   Buy
   $9,249 300 shares at $30.83 +1.6% to stake
   Traded Mar 16 Filed Mar 16
   ↗
9. John Barkidjija Head of Cre & Specialty Fin
   Sale
   $146K 4,509 shares at $32.33 19% of stake
   Traded Feb 26 Filed Mar 2
   ↗
10. Brian F Doran General Counsel
    Buy
    $25K 750 shares at $33.13 New stake
    Traded Feb 17 Filed Feb 17
    ↗
11. Phillip R. Cabrera Director
    Buy
    $5,244 169 shares at $31.03 +4.3% to stake
    Traded Jan 28 Filed Jan 29
    ↗
12. Thomas Abraham President, Sbc
    Sale
    $629K 23,400 shares at $26.89 38% of stake
    Traded Oct 28, 2025 Filed Oct 29, 2025
    ↗
13. William G Kistner Director
    Buy
    $1,791 65 shares at $27.56 +0.5% to stake
    Traded Oct 28, 2025 Filed Oct 28, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 27 stock grants, 23 share withholdings for taxes, 2 other transactions, and 1 sale back to the company.