Welcome to our dedicated page for BYLINE BANCORP SEC filings (Ticker: BY), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on BYLINE BANCORP's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time SEC filing updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into BYLINE BANCORP's regulatory disclosures and financial reporting.
Byline Bancorp (BY) filed a Form 144 reporting a proposed sale of 11,812 common shares, valued at approximately $351,500, to be executed through Merrill Lynch on or about 08/28/2025. The shares were acquired as a stock award from the issuer on 05/31/2018 and were received as compensation. The filing states there were no other sales by the reporting person in the past three months and includes the standard representation that the seller is not aware of any undisclosed material adverse information about the issuer.
Byline Bancorp, Inc. filed a Form D for a Regulation D, Rule 506(b) exempt offering of debt securities. The offering was for $75,000,000 and the entire amount has been sold, leaving $0 remaining. The notice lists the issuer as a Delaware corporation with principal offices at 180 North LaSalle Street, Chicago. The filing identifies 22 investors and a $1,000 minimum investment. Piper Sandler & Co. is listed as the associated broker-dealer. Sales commissions are reported as an estimated $750,000 and finders' fees are $0. The issuer indicates no proceeds will be used to make payments to named executive officers, directors or promoters. The Form D was signed by Executive Chairman and CEO Roberto R. Herencia.
Byline Bancorp director William G. Kistner reported a small open-market share purchase. On August 8, 2025, an entity identified as the William G. Kistner Trust Date June 22, 1973 bought 60 shares of Byline Bancorp common stock at $25.705 per share.
After this transaction, the trust held 14,024 shares of Byline Bancorp common stock as indirect beneficial ownership. Separately, Kistner also reported 1,036 shares of common stock held as direct ownership.
Roberto R. Herencia, CEO and Director of Byline Bancorp, reported significant insider transactions on June 23, 2025. The transactions involved:
- Exercise of stock options for 214,494 shares (two tranches of 107,247 shares each) at $11.18 per share
- Subsequent disposal of 147,362 shares (two tranches of 73,681 shares each) at $25.52 per share
Following these transactions, Herencia holds 393,901 shares directly, plus indirect ownership of 16,612 shares through his Defined Benefit Plan and 2,575 shares through his 401(k). The exercised options were granted in June 2018 and were set to expire on June 26, 2025, suggesting this was a planned exercise near expiration. The transaction pattern indicates a partial exercise-and-sell strategy, likely for tax obligations or portfolio diversification.
Form 4 filing overview – Byline Bancorp, Inc. (BY)
On 20-Jun-2025, EVP & Head of Community Banking Megan Biggam reported multiple option exercises and related share transactions:
- Options exercised (Code M): 24,374 shares + 12,187 shares, both at an exercise price of $11.18, stemming from grants dated 28-Jun-2018 that were set to expire 26-Jun-2025. Total shares acquired: 36,561.
- Share disposals (Code F): 14,833 shares + 7,417 shares at a sale price of $25.05, executed to satisfy option-related obligations as defined by SEC transaction code F. Total shares disposed: 22,250.
- Net result: Insider’s direct holdings increased by 14,311 shares, from an estimated 17,630 to 31,941 shares after all reported transactions.
- Derivative position: The two option tranches were fully exercised, leaving 0 remaining derivative securities.
The filing signals that a senior officer chose to exercise in-the-money options at less than half the reported sale price, while retaining a meaningful portion of the acquired stock.
Byline Bancorp, Inc. (NYSE: BY) filed an 8-K to disclose a change in its independent registered public accounting firm under Item 4.01. The Company was informed that its current auditor, Moss Adams LLP, merged with Baker Tilly US, LLP effective June 3 2025. As a result, Moss Adams resigned and the Board’s Audit Committee unanimously appointed Baker Tilly—the successor firm—as the Company’s new external auditor on June 16 2025.
Audit opinions issued by Moss Adams on the fiscal-year 2023 and 2024 consolidated financial statements and on internal control over financial reporting for 2024 were unqualified. The filing states that during the covered periods and up to the report date: (i) no disagreements existed between the Company and Moss Adams regarding accounting principles, disclosures, or audit scope, and (ii) no “reportable events” under Item 304(a)(1)(v) of Regulation S-K occurred.
Furthermore, neither the Company nor its representatives consulted with Baker Tilly on any accounting matters prior to the engagement. A consent letter from Moss Adams (Exhibit 16.1, dated June 17 2025) confirms its agreement with the disclosures.