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BYLINE BANCORP, INC. (BY) director William G. Kistner reported purchasing 100 shares of common stock on 2026-08-19 at $38.30 per share in an open market or private transaction. The shares are held indirectly through the William G. Kistner Trust dated June 22, 1973, which now holds 14,289 shares, while Kistner also holds 1,036 shares directly.
BYLINE BANCORP, INC. (BY) director Mary Jo S. Herseth reported an open-market purchase of 300 shares of common stock on 2026-08-19 at $38.395 per share. The shares are held indirectly through The Herseth Family Revocable Trust Dated 12/02/25, bringing the trust’s reported holdings to 19,100 shares. The Rule 10b5-1 trading-plan checkbox was not selected.
BYLINE BANCORP, INC. common stock is reported as beneficially owned by MBG Investors I, L.P. and Antonio del Valle Perochena in this amended Schedule 13G. MBG reports beneficial ownership of 11,535,145 shares, representing 25.5% of the common stock outstanding. Antonio del Valle Perochena reports beneficial ownership of 11,575,953 shares, or 25.6%, including 40,808 shares held with sole voting and dispositive power and the remainder with shared power.
The amendment reflects a reduction in MBG’s beneficial ownership following the issuer’s repurchase of 300,000 shares from MBG under a Stock Repurchase Agreement dated August 7, 2026. The issuer agreed to purchase these shares at $39.10 per share, for an aggregate purchase price of $11.73 million, based on the five-day average closing price on the NYSE from July 27–31, 2026. Percent-of-class figures are calculated using 45,186,420 shares outstanding as of August 3, 2026.
Byline Bancorp, Inc. Chief Executive Officer Roberto R. Herencia reported selling 19,750 shares of common stock on 2026-08-13 at $39.2054 per share in an open-market or private transaction. Following this sale, he directly holds 411,643 shares of common stock.
He also reports indirect holdings of 16,612 shares through the Roberto Herencia Inc. Defined Benefit Plan and 2,575 shares through the Roberto Herencia Inc. 401(k). The filing indicates the Rule 10b5-1 trading-plan checkbox was not selected.
BYLINE BANCORP, INC. executive Dana Rose, Chief Human Resources Officer, reported a sale of 2,421 shares of common stock on 2026-08-12 at $39.00 per share in an open market or private transaction. Following this transaction, Rose directly holds 11,605 shares of BY common stock.
BY filed a notice of proposed sale of common stock by an affiliate through Merrill Lynch, with trading on the NYSE. The filing covers 2,421 shares of common stock, all originally received as stock awards for compensation on various dates in 2023 and 2025.
MBG Investors I, L.P., a 10% owner of Byline Bancorp, Inc., reported a sale of 300,000 shares of common stock on August 7, 2026. The shares were sold to and repurchased by Byline Bancorp under a Stock Repurchase Agreement at $39.10 per share, a price based on the five-day average NYSE closing price from July 27–31, 2026. Following this transaction, MBG Investors I, L.P. directly holds 11,535,145 shares. Antonio del Valle Perochena, the general partner with a 16.68% partnership interest, has sole voting and investment power but disclaims beneficial ownership except to the extent of his pecuniary interest.
Byline Bancorp, Inc. director and ten percent owner Antonio Del Valle Perochena reported an indirect sale of 300,000 shares of common stock at $39.10 per share on August 7, 2026, executed by MBG Investors I, L.P. under a Stock Repurchase Agreement with the issuer. Following this transaction, indirect holdings reported were 11,535,145 shares, with an additional 40,808 shares held directly.
Byline Bancorp, Inc. reported stronger profitability for the quarter ended June 30, 2026, with net income of $40,181 (dollars in thousands), up from $30,082 a year earlier, and basic and diluted EPS of $0.90 versus $0.66. Net income for the first six months of 2026 was $77,760 (dollars in thousands), compared with $58,330, supported by net interest income of $100,836 for the quarter and lower provisions for credit losses of $7,162.
Total assets were $9,932,465 (dollars in thousands) as of June 30, 2026, up from $9,652,676 at year-end 2025. Loans and leases totaled $7,542,411 with an allowance for credit losses of $111,861. Deposits reached $7,870,762, and stockholders’ equity increased to $1,304,215, though accumulated other comprehensive loss deepened to $86,578, largely reflecting unrealized losses on securities.
Securities available-for-sale had an amortized cost of $1,743,352 and fair value of $1,616,748, with unrealized losses of $129,005 but no credit losses recognized. Operating activities provided $68,721 of cash in the first half of 2026, while investing used $259,393 and financing provided $235,136, resulting in higher cash and cash equivalents of $193,559. The 2025 First Security acquisition is fully integrated, with no merger-related expenses in 2026.