CLF's three largest insider shareholders as of September 09, 2026 are Lourenco Goncalves (Chairman, President Ceo, 3.02Mn shares), Lourenco Goncalves (Chairman, President Ceo, 3.02Mn shares), Terry G. Fedor (Evp, Engineering Technology, 567.25K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Lourenco Goncalves | Chairman, President Ceo | 3,015,486 | 0 | 3,015,486 | 39.2% | 07 Jan, 2026 |
| 2 | Terry G. Fedor | Evp, Engineering Technology | 567,255 | 0 | 567,255 | 7.4% | 07 Jan, 2026 |
| 3 | Clifford T Smith | Evp Chief Operating Officer | 560,529 | 0 | 560,529 | 7.3% | 18 Feb, 2026 |
| 4 | Keith Koci | Evp President, Cc Services | 527,528 | 0 | 527,528 | 6.9% | 07 Jan, 2026 |
| 5 | James D Graham | Evp Chief Legal Admin Sec | 478,258 | 0 | 478,258 | 6.2% | 07 Jan, 2026 |
| 6 | Maurice Harapiak | Evp, Hr Chief Admin Officer | 472,090 | 0 | 472,090 | 6.1% | 28 Feb, 2022 |
| 7 | Gabriel Stoliar | Director | 258,992 | 0 | 258,992 | 3.4% | 02 Apr, 2026 |
| 8 | Ralph S Iii Michael | Director | 233,420 | 0 | 233,420 | 3.0% | 23 Apr, 2026 |
| 9 | Traci L Forrester | Evp, Environ Sustainability | 209,778 | 0 | 209,778 | 2.7% | 21 Feb, 2025 |
| 10 | Robert P Jr Fisher | Director | 189,957 | 0 | 189,957 | 2.5% | 03 Apr, 2024 |
| 11 | Celso L Jr Goncalves | Evp, Cfo | 184,542 | 0 | 184,542 | 2.4% | 05 Jun, 2026 |
| 12 | Arlene M Yocum | Director | 136,467 | 0 | 136,467 | 1.8% | 23 Apr, 2026 |
| 13 | John T Baldwin | Director | 133,227 | 0 | 133,227 | 1.7% | 10 Mar, 2025 |
| 14 | Ron A. Bloom | Director | 127,354 | 0 | 127,354 | 1.7% | 02 Jul, 2026 |
| 15 | Douglas C Taylor | Director | 119,103 | 0 | 119,103 | 1.5% | 25 Apr, 2025 |
| 16 | Susan Miranda Green | Director | 116,726 | 0 | 116,726 | 1.5% | 25 Apr, 2025 |
| 17 | Janet L Miller | Director | 101,795 | 0 | 101,795 | 1.3% | 26 Apr, 2024 |
| 18 | Jane M. Cronin | Director | 78,356 | 0 | 78,356 | 1.0% | 02 Jul, 2026 |
| 19 | Kimberly A Floriani | Svp, Controller Cao | 68,852 | 0 | 68,852 | 0.9% | 07 Jan, 2026 |
| 20 | Edilson Camara | Director | 57,317 | 0 | 57,317 | 0.7% | 23 Apr, 2026 |
| 21 | Ben Oren | Director | 48,068 | 0 | 48,068 | 0.6% | 23 Apr, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 01 Jul, 2026 | Jane M. Cronin | Director | Acquired A | 4,246 | $9.42 | $40.00K | 78,356 | Direct |
| 01 Jul, 2026 | Ron A. Bloom | Director | Acquired A | 4,246 | $9.42 | $40.00K | 127,354 | Direct |
| 05 Jun, 2026 | Celso L Jr Goncalves | Evp, Cfo | Disposed S | 214,308 | $13.41 | $2.87Mn | 184,542 | Direct |
| 21 Apr, 2026 | Ralph S Iii Michael | Director | Acquired A | 15,334 | $0.00 | $0 | 233,420 | Direct |
| 21 Apr, 2026 | Ralph S Iii Michael | Director | Acquired A | 15,334 | $0.00 | $0 | 233,420 | Direct |
| 21 Apr, 2026 | Ben Oren | Director | Acquired A | 15,334 | $0.00 | $0 | 48,068 | Direct |
| 21 Apr, 2026 | Ron A. Bloom | Director | Acquired A | 15,334 | $0.00 | $0 | 123,108 | Direct |
| 21 Apr, 2026 | Jane M. Cronin | Director | Acquired A | 15,334 | $0.00 | $0 | 74,110 | Direct |
| 21 Apr, 2026 | Arlene M Yocum | Director | Acquired A | 15,334 | $0.00 | $0 | 136,467 | Direct |
| 21 Apr, 2026 | Edilson Camara | Director | Acquired A | 15,334 | $0.00 | $0 | 57,317 | Direct |
| 21 Apr, 2026 | Edilson Camara | Director | Acquired A | 15,334 | $0.00 | $0 | 57,317 | Direct |
| 21 Apr, 2026 | John T Baldwin | Director | Acquired A | 15,334 | $0.00 | $0 | 101,230 | Direct |
| 21 Apr, 2026 | Arlene M Yocum | Director | Acquired A | 15,334 | $0.00 | $0 | 136,467 | Direct |
| 21 Apr, 2026 | Edilson Camara | Director | Acquired A | 15,334 | $0.00 | $0 | 57,317 | Direct |
| 21 Apr, 2026 | Arlene M Yocum | Director | Acquired A | 15,334 | $0.00 | $0 | 136,467 | Direct |
| 21 Apr, 2026 | Arlene M Yocum | Director | Acquired A | 15,334 | $0.00 | $0 | 136,467 | Direct |
| 21 Apr, 2026 | Edilson Camara | Director | Acquired A | 15,334 | $0.00 | $0 | 57,317 | Direct |
| 01 Apr, 2026 | Gabriel Stoliar | Director | Acquired A | 2,418 | $8.27 | $20.00K | 259,717 | Direct |
| 01 Apr, 2026 | Gabriel Stoliar | Director | Acquired A | 2,418 | $8.27 | $20.00K | 259,717 | Direct |
| 01 Apr, 2026 | Gabriel Stoliar | Director | Acquired A | 2,418 | $8.27 | $20.00K | 259,717 | Direct |