GGC Atrium Window Holdings, LLC, 10% Owner at Cornerstone Building Brands, Inc. (CNR), sold 725,200 shares at $11.54 ($8.5M) on 2021-02-23, disclosed to the SEC on 2021-03-02.
Open-market sale of $8.5M CNR by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $11.58 | 52,000 | $602K | 7.1% |
| 2 | $11.64 | 60,000 | $698K | 8.2% |
| 3 | $11.54 | 38,000 | $439K | 5.2% |
| 4 | $11.54 | 38,000 | $439K | 5.2% |
| 5 | $11.87 | 250,000 | $3.0M | 34.9% |
| 6 | $11.60 | 26,000 |
| $302K |
| 3.5% |
| 7 | $11.52 | 24,600 | $283K | 3.3% |
| 8 | $11.78 | 174,400 | $2.1M | 24.2% |
| 9 | $11.53 | 62,200 | $717K | 8.4% |
| Total | $11.72 avg | 725,200 | $8.5M | 100% |