This is a small, routine sale by a director — no material signal. Monitor for any subsequent large insider sales from officers (CEO/CFO) ahead of quarterly results. No immediate trading action warranted.
Price Chart
Executive Summary
Director Brogan Ptacin filed a Form 144 notice to sell 9,450 shares of Byline Bancorp common stock, with an estimated aggregate value of $374,600. The shares were acquired in 2018 through a stock award and are to be sold via Merrill Lynch. This is a routine diversification trade by a non-executive director and represents less than 0.03% of the company's $1.8B market cap.
Key Facts
- Insider: Brogan Ptacin, Director of Byline Bancorp
- Shares to be sold: 9,450 common shares
- Estimated value: $374,600
- Shares acquired on 05/31/2018 via stock award (compensation)
- Filing date: 08/03/2026; proposed sale date also 08/03/2026
- Broker: Merrill Lynch
- Sale represents ~0.02% of market cap (approx. $1.8B)
Financial Impact
~$374,600 in planned insider sales, ~0.02% of market cap
Risk Factors
- Director selling could be interpreted as a modest negative signal, but the size is de minimis
- No indication of broader insider selling pattern; single filing is not actionable
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 6 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (BY) — Batch item 1 | 0001628280-26-051781 |
| Document: 0001628280-26-051781-index.html | 0001628280-26-051781 |
| Document: 0001628280-26-051781.txt | 0001628280-26-051781 |
| 144 Filing (BY) — Batch item 4 | 0001628280-26-051781 |
| Document: 0001628280-26-051781-index.html | 0001628280-26-051781 |
| Document: 0001628280-26-051781.txt | 0001628280-26-051781 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 22, 2026 4d ago | 8-K | $38.40 | awaiting T+20 | — | $38.40 (+0.00%) |
Oct 8, 2026 18d ago | 8-K | $36.32 | awaiting T+20 | — | $38.40 (+5.73%) |
Oct 6, 2026 20d ago | 8-K | $36.57 | awaiting T+20 | — | $38.40 (+5.00%) |
Aug 20, 2026 9w ago | Insider Cluster | $38.33 $37.52 | ▼ −2.11% | ▼ −2.11% | $38.40 (+0.18%) |
Aug 15, 2026 10w ago | Institutional Cluster | $39.15 $38.43 | ▼ −1.84% | ▼ −0.31% | $38.40 (−1.92%) |
Aug 14, 2026 10w ago | Insider Cluster | $39.15 $38.43 | ▲ +1.84% | ▲ +0.31% | $38.40 (+1.92%) |
Aug 12, 2026 10w ago | Insider Cluster | $39.26 $38.67 | ▲ +1.50% | ▼ −0.24% | $38.40 (+2.19%) |
Aug 11, 2026 10w ago | Insider Cluster | $39.23 $38.38 | ▲ +2.17% | ▲ +0.27% | $38.40 (+2.12%) |
Aug 3, 2026 12w ago | 144 | $39.64 $37.92 | ▼ −4.34% | ▼ −5.58% | $38.40 (−3.13%) |
May 22, 2026 22w ago | 8-K | $33.40 $36.50 | ▲ +9.28% | ▲ +11.23% | $38.40 (+14.97%) |
US Market Status
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