| 04/09/2026 12:42 PM | DIMENSIONAL FUND ADVISORS LP (354204) Filed by Olympic Steel (917470) Subject | Form SCHEDULE 13G/A | |
| 02/23/2026 1:20 PM | Olympic Steel (917470) Filer | Form 15-12G | |
| 02/17/2026 11:15 PM | Olympic Steel (917470) Filer | Form EFFECT | |
| 02/17/2026 11:15 PM | Olympic Steel (917470) Filer | Form EFFECT | |
| 02/17/2026 12:11 PM | Kempthorne Dirk A (1463021) Reporting Olympic Steel (917470) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 12:11 PM | Kesner Idalene Fay (1491154) Reporting Olympic Steel (917470) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:32 AM | MANSON RICHARD A (1079653) Reporting Olympic Steel (917470) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:34 AM | Christen Lisa K (1802631) Reporting Olympic Steel (917470) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:44 AM | Olympic Steel (917470) Issuer Whiting Vanessa (1793880) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:15 AM | Olympic Steel (917470) Issuer Scott Peter Jennings (2067615) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:15 AM | Olympic Steel (917470) Issuer WOLFORT DAVID A (1136932) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
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| 02/17/2026 11:15 AM | Greiff Andrew S (1682850) Reporting Olympic Steel (917470) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:17 AM | Anton Arthur F (1358902) Reporting Olympic Steel (917470) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:19 AM | Olympic Steel (917470) Issuer Stovsky Richard P (1747237) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:24 AM | Olympic Steel (917470) Issuer SIEGAL MICHAEL D (940858) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 11:25 AM | MARABITO RICHARD T (1255662) Reporting Olympic Steel (917470) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/13/2026 3:08 PM | Olympic Steel (917470) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 02/13/2026 10:18 AM | Nasdaq Stock Market LLC (1354457) Filed by Olympic Steel (917470) Subject | Form 25-NSE | |
| 02/12/2026 3:45 PM | Olympic Steel (917470) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 02/05/2026 8:47 PM | Olympic Steel (917470) Subject Ryerson Holding Corp (1481582) Filed by Ryerson Holding Corp (1481582) Filed by | Form 425 | |
| 12/31/2025 3:02 PM | Greiff Andrew S (1682850) Reporting Olympic Steel (917470) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 10/31/2025 4:25 PM | Olympic Steel (917470) Subject Ryerson Holding Corp (1481582) Filed by Ryerson Holding Corp (1481582) Filed by | Form 425 | |
| 10/30/2025 3:30 PM | Olympic Steel (917470) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 10/30/2025 3:30 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/29/2025 8:47 PM | Olympic Steel (917470) Subject Ryerson Holding Corp (1481582) Filed by Ryerson Holding Corp (1481582) Filed by | Form 425 | |
| 10/28/2025 8:05 PM | Olympic Steel (917470) Subject Ryerson Holding Corp (1481582) Filed by Ryerson Holding Corp (1481582) Filed by | Form 425 | |
| 10/28/2025 8:10 PM | Olympic Steel (917470) Subject Ryerson Holding Corp (1481582) Filed by Ryerson Holding Corp (1481582) Filed by | Form 425 | |
| 10/28/2025 8:12 PM | Olympic Steel (917470) Subject Ryerson Holding Corp (1481582) Filed by Ryerson Holding Corp (1481582) Filed by | Form 425 | |
| 10/28/2025 8:15 PM | Olympic Steel (917470) Subject Ryerson Holding Corp (1481582) Filed by Ryerson Holding Corp (1481582) Filed by | Form 425 | |
| 10/28/2025 3:45 PM | Olympic Steel (917470) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 10/28/2025 3:46 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/28/2025 3:47 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/28/2025 3:47 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/28/2025 3:47 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/28/2025 3:48 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/28/2025 3:48 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/28/2025 3:48 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/28/2025 3:49 PM | Olympic Steel (917470) Subject | Form 425 | |
| 10/28/2025 3:34 PM | Olympic Steel (917470) Subject Ryerson Holding Corp (1481582) Filed by Ryerson Holding Corp (1481582) Filed by | Form 425 | |
| 10/03/2025 12:24 PM | BlackRock, Inc. (2012383) Filed by Olympic Steel (917470) Subject | Form SCHEDULE 13G/A | |
| 07/31/2025 3:31 PM | Olympic Steel (917470) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
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| 07/15/2025 4:12 PM | BlackRock Portfolio Management LLC (2052113) Filed by Olympic Steel (917470) Subject | Form SCHEDULE 13G/A | |
| 05/18/2025 11:15 PM | Olympic Steel (917470) Filer | Form EFFECT | |