OREGON STEEL MILLS INC (OS) is a publicly traded company in the Unknown sector. Across all available filings, 26 corporate insiders have executed 143 transactions totaling $264.1M, demonstrating a bearish sentiment with -$264.1M in net insider flow. The most recent transaction on Jan 8, 2026 involved a sale of 6,505 shares valued at $153.4K.
No significant insider buying has been recorded for OS in the recent period.
No significant insider selling has been recorded for OS in the recent period.
Based on recent SEC filings, insider sentiment for OS is bearish with an Insider Alignment Score of 0/100 and a net flow of -$264.1M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at OREGON STEEL MILLS INC (OS) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 26 insiders are actively trading OS stock, having executed 143 transactions in the past 90 days. The most active insider is Holdco Llc Kkr (Executive), who has made 20 transactions totaling $48.2M.
Get notified when executives and directors at OS file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 8, 2026 | Mcintyre Pamela | Chief Accounting Officer | Sale | 6,505 | $23.58 | $153.4K | |
| Dec 19, 2025 | Kinzer John | Executive | Conversion | 30,000 | $N/A | $0 | |
| Dec 16, 2025 | Hohenstein Ken | Executive | Sale | 40,000 | $17.21 | $688.4K | Large |
| Dec 16, 2025 | Hohenstein Ken | Executive | Option Exercise | 40,000 | $10.65 | $426.0K | |
| Dec 15, 2025 | A. Koefoed William | Executive | Sale | 9,571 | $17.73 | $169.7K | |
| Dec 10, 2025 | Hohenstein Ken | Executive | Payment | 6,101 | $18.38 | $112.1K | |
| Dec 10, 2025 | A. Koefoed William | Executive | Payment | 6,285 | $18.38 | $115.5K | |
| Dec 10, 2025 | Anthony Shea Thomas | Executive | Payment | 13,805 | $18.38 | $253.7K | |
| Dec 2, 2025 | D. Mariner Jonathan | Executive | Sale | 18,423 | $20.90 | $385.0K | |
| Dec 2, 2025 | Kinzer John | Executive | Award | 94,607 | $N/A | $0 | |
| Nov 17, 2025 | Hohenstein Ken | Executive | Sale | 40,000 | $20.94 | $837.6K | Large |
| Nov 17, 2025 | Hohenstein Ken | Executive | Option Exercise | 40,000 | $10.65 | $426.0K | |
| Oct 16, 2025 | Hohenstein Ken | Executive | Sale | 490 | $17.59 | $8.6K | |
| Oct 16, 2025 | Hohenstein Ken | Executive | Sale | 39,510 | $16.84 | $665.3K | Large |
| Oct 16, 2025 | Hohenstein Ken | Executive | Option Exercise | 40,000 | $10.65 | $426.0K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 75 | $264.1M | 98.8% |
Exercise(M) | 7 | $2.2M | 0.8% |
Payment(F) | 6 | $1.0M | 0.4% |
Conversion(C) | 42 | $0 | 0.0% |
Award(A) | 13 | $0 | 0.0% |
Insider selling pressure at OREGON STEEL MILLS INC has increased, with 26 insiders executing 143 transactions across all time. Total sales of $264.1M significantly outpace purchases of $0, resulting in a net outflow of $264.1M. This selling activity appears largely discretionary, which may warrant closer attention from investors.