STOCK TITAN

Olin executive exercises 7,706 RSUs, tax shares withheld

Olin Corp executive Marc Ehrhardt, VP & President Corporate Development, exercised restricted stock units that converted into 7,706 shares of common stock on May 1, 2026, from grants awarded May 1, 2025.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Olin Corp executive Marc Ehrhardt, VP & President Corporate Development, exercised restricted stock units that converted into 7,706 shares of common stock on May 1, 2026, from grants awarded May 1, 2025. The company withheld 1,877 shares at $28.48 per share to cover tax obligations. After these transactions, he directly holds 25,829 common shares and 17,912 restricted stock units. The Rule 10b5-1 checkbox in the filing is not marked, indicating no trading plan was affirmed.

Positive

  • None.

Negative

  • None.
Insider Ehrhardt Marc
Role VP & Pres Corp Development
Type Security Shares Price Value
Exercise Restricted Stock Units 5,206 $0.00 $0.00
Exercise Restricted Stock Units 2,500 $0.00 $0.00
Exercise Common Stock 5,206 $0.00 $0.00
Exercise Common Stock 2,500 $0.00 $0.00
Exercise Price or Tax Liability Common Stock 1,877 $28.48 $53K
Holdings After Transaction: Restricted Stock Units — 17,912 contracts (Direct); Common Stock — 25,829 shares (Direct)
Footnotes (3)
  1. F1. Restricted stock units convert into common stock on a one-to-one basis.
  2. F2. On May 1, 2025 the reporting person was granted 15,618 restricted stock units, 5,206 which vested on May 1, 2026, 5,206 vest on May 1, 2027 and 5,206 vest on May 1, 2028.
  3. F3. On May 1, 2025 the reporting person was granted 10,000 restricted stock units, 2,500 which vested on May 1, 2026, 2,500 vest on May 1, 2027 and 5,000 vest on May 1, 2028.
RSUs converted to common stock 7,706 shares Restricted stock units converted into common stock on May 1, 2026
Shares withheld for taxes 1,877 shares at $28.48 per share Tax-withholding disposition of common stock on May 1, 2026
Post-transaction common stock holdings 25,829 shares Direct common stock held after the reported transactions
Post-transaction RSU holdings 17,912 units Direct restricted stock units held after the reported transactions
RSU grant of 15,618 units 15,618 units Restricted stock units granted on May 1, 2025 with tranches vesting 2026–2028
RSU grant of 10,000 units 10,000 units Additional restricted stock units granted on May 1, 2025 with staged vesting
Restricted Stock Units financial
"Restricted stock units convert into common stock on a one-to-one basis."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
tax-withholding disposition financial
"transaction_action: tax-withholding disposition of common stock for tax liability"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

FAQ

What insider transaction did OLN report for Marc Ehrhardt?

Olin executive Marc Ehrhardt reported exercising restricted stock units into 7,706 common shares. On the same date, 1,877 shares were withheld at $28.48 per share to satisfy tax obligations, leaving him with increased direct stock and RSU holdings.

How many Olin (OLN) shares does Marc Ehrhardt hold after this filing?

After the reported transactions, Marc Ehrhardt directly holds 25,829 Olin common shares. He also retains 17,912 restricted stock units, which can convert one-for-one into common stock as they vest under the company’s equity award terms.

What restricted stock unit grants are described for OLN's Marc Ehrhardt?

The filing notes grants of 15,618 RSUs and 10,000 RSUs on May 1, 2025. Portions of these grants, including 5,206 and 2,500 units, vested on May 1, 2026, with additional tranches scheduled to vest in 2027 and 2028.

Were Marc Ehrhardt’s OLN transactions under a Rule 10b5-1 plan?

The Rule 10b5-1 checkbox is not marked, so the transactions are not affirmed as made under a trading plan. No footnote indicates a separate pre-arranged plan, so they are reported as discretionary for disclosure purposes.

What was the tax withholding detail in this OLN Form 4?

The company withheld 1,877 Olin common shares at $28.48 per share as a tax-withholding disposition. This means shares from the vested RSUs were delivered back to the issuer to cover the associated tax liability instead of cash.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Ehrhardt Marc

(Last)(First)(Middle)
190 CARONDELET PLAZA
SUITE 1530

(Street)
CLAYTON MISSOURI 63105-3443

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
OLIN Corp [ OLN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
VP & Pres Corp Development
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/01/2026M5,206A(1)25,206D
Common Stock05/01/2026M2,500A(1)27,706D
Common Stock05/01/2026F1,877D$28.4825,829D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)05/01/2026M5,206 (2) (2)Common Stock5,206$010,412D
Restricted Stock Units(1)05/01/2026M2,500 (3) (3)Common Stock2,500$07,500D
Explanation of Responses:
1. Restricted stock units convert into common stock on a one-to-one basis.
2. On May 1, 2025 the reporting person was granted 15,618 restricted stock units, 5,206 which vested on May 1, 2026, 5,206 vest on May 1, 2027 and 5,206 vest on May 1, 2028.
3. On May 1, 2025 the reporting person was granted 10,000 restricted stock units, 2,500 which vested on May 1, 2026, 2,500 vest on May 1, 2027 and 5,000 vest on May 1, 2028.
Remarks:
/s/ E.C. Tanner, Attorney-in-Fact05/05/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)