Andrew S. Greiff - 13 Feb 2026 Form 4 Insider Report for OLYMPIC STEEL INC (ZEUS)

Reporting relationship: President and Chief Operating Officer
Issuer ticker: ZEUS
Reported as of: 13 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Feb 2026, 12:15:58 UTC
Prior SEC filing: 10 Feb 2026
Next SEC filing: 02 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Lisa K. Christen, as Attorney-In-Fact

Key filing fact

Andrew S. Greiff filed Form 4 for OLYMPIC STEEL INC (ZEUS) on 17 Feb 2026.

Key facts

This page summarizes Andrew S. Greiff's Form 4 filing for OLYMPIC STEEL INC (ZEUS).
5 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 17 Feb 2026, 12:15.

Change

Previous filing in this sequence was filed on 10 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001682850 Primary reporting owner

Greiff Andrew S

Relationship: President and Chief Operating Officer
Address: C/O OLYMPIC STEEL, INC., 22901 MILL CREEK BLVD., SUITE 650, HIGHLAND HILLS
Signature: /s/ Lisa K. Christen, as Attorney-In-Fact
Signature date: 17 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ZEUS transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -19,863
Change %: -100%
Price
Shares after: 0
Date: 13 Feb 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ZEUS transaction Derivative

Restricted Share Units

Disposed to Issuer

Transaction value
Shares: -26,267
Change %: -100%
Price
Shares after: 0
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 26,267
Exercise price
Footnotes: F2, F3

ZEUS transaction Derivative

Restricted Share Units

Disposed to Issuer

Transaction value
Shares: -5,997
Change %: -100%
Price
Shares after: 0
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,997
Exercise price
Footnotes: F2, F4

ZEUS transaction Derivative

Restricted Share Units

Disposed to Issuer

Transaction value
Shares: -6,000
Change %: -100%
Price
Shares after: 0
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 6,000
Exercise price
Footnotes: F2, F5

ZEUS transaction Derivative

Restricted Share Units

Disposed to Issuer

Transaction value
Shares: -5,857
Change %: -100%
Price
Shares after: 0
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,857
Exercise price
Footnotes: F2, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Andrew S. Greiff is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 6 footnotes

Footnote F1

Disposed of pursuant to the Agreement and Plan of Merger ("Merger Agreement"), dated as of October 28, 2025, by and among Olympic Steel, Inc. (the "Company"), Ryerson Holding Corporation ("Parent"), and Crimson MS Corp. At the effective time of the merger, each share of the Company's common stock, without par value ("Company common stock"), that was issued and outstanding immediately prior to the effective time of the merger was converted into the right to receive a number of shares of common stock, $0.01 par value per share, of Parent ("Parent common stock"), multiplied by 1.7105 (rounded down to the nearest whole share), plus a cash payment (rounded down to the nearest cent) in lieu of any fractional shares as determined pursuant to the Merger Agreement.

Footnote F2

Each restricted share unit ("RSU") represents the contingent right to receive one share of Company common stock.

Footnote F3

These RSUs are fully vested and will generally be settled upon the Reporting Person's separation from service. Pursuant to the Merger Agreement, these RSUs were converted into RSUs with respect to Parent common stock by multiplying the number of shares of Company common stock underlying the award by 1.7105 (rounded down to the nearest whole share).

Footnote F4

These RSUs generally vest on December 31, 2026, subject to the Reporting Person's continued employment and will be settled within 90 days following the applicable vesting date. Pursuant to the Merger Agreement, these RSUs were converted into RSUs with respect to Parent common stock by multiplying the number of shares of Company common stock underlying the award by 1.7105 (rounded down to the nearest whole share).

Footnote F5

These RSUs generally vest on December 31, 2027, subject to the Reporting Person's continued employment and will be settled within 90 days following the applicable vesting date. Pursuant to the Merger Agreement, these RSUs were converted into RSUs with respect to Parent common stock by multiplying the number of shares of Company common stock underlying the award by 1.7105 (rounded down to the nearest whole share).

Footnote F6

These RSUs are fully vested. Pursuant to the Merger Agreement, these RSUs were converted into RSUs with respect to Parent common stock by multiplying the number of shares of Company common stock underlying the award by 1.7105 (rounded down to the nearest whole share) and then cancelled in exchange for a cash payment equal to the number of shares of Parent common stock underlying the award, multiplied by the closing price per share of Parent common stock on February 13, 2026 (less applicable taxes), payable within 30 days of such date.

SEC remarks

President and Chief Operating Officer