Andrew S. Greiff - 01 Jan 2026 Form 4 Insider Report for OLYMPIC STEEL INC (ZEUS)

Signature
/s/ / Lisa K. Christen, as Attorney-In-Fact
Issuer symbol
ZEUS
Transactions as of
01 Jan 2026
Net transactions value
-$125,260
Form type
4
Filing time
05 Jan 2026, 16:04:28 UTC
Previous filing
31 Dec 2025
Next filing
10 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Greiff Andrew S President and COO C/O OLYMPIC STEEL, INC., 22901 MILLCREEK BLVD., SUITE 650, HIGHLAND HILLS /s/ / Lisa K. Christen, as Attorney-In-Fact 05 Jan 2026 0001682850

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ZEUS Common Stock Options Exercise $0 +6,000 +50% $0.000000 18,018 01 Jan 2026 Direct
transaction ZEUS Common Stock Tax liability $125,260 -2,928 -16% $42.78 15,090 01 Jan 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ZEUS Restricted Share Units Options Exercise $0 -6,000 -12% $0.000000 44,121 01 Jan 2026 Common Stock 6,000 Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These RSUs were granted under the Olympic Steel's Amended and Restated 2007 Omnibus Incentive Plan, as amended (the "Plan") on January 1, 2023 and converted into shares of common stock on a one-for-one basis on January 1, 2026.
F2 The total number of RSUs includes previously granted RSUs with different vesting and payment terms.
F3 The total number of RSUs gives effect to the transfer of 30,330 RSUs by the Reporting Person to his ex-spouse pursuant to a qualified domestic relations order