Every Form 4 that Olin Corp. (OLN) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow OLN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full OLN filings page.
Olin Corp executive Deon Carter exercised restricted stock units and had shares withheld for taxes. On June 17, 2026, 2,500 restricted stock units converted into common stock on a one-for-one basis, while 609 shares were disposed of to cover tax obligations. Carter now directly holds 2,248 common shares and 5,000 remaining restricted stock units from a 10,000-unit grant that began vesting in 2025 and will continue vesting through June 17, 2027.
Olin Corp executive Florian J. Kohl, VP & President, Epoxy & International, reported the June 1, 2026 vesting and one-to-one conversion of 1,250 restricted stock units into common shares. To satisfy tax obligations, 492 shares were withheld at $25.67 per share. After these transactions, he directly holds 7,949 shares of Olin common stock. The RSUs come from a 5,000-unit grant made on June 1, 2024, with an additional 2,500 units scheduled to vest on June 1, 2027.
OLIN Corp vice president Florian J. Kohl reported routine equity compensation activity. On May 15, 2026, he exercised 2,500 restricted stock units, which convert into common stock on a one‑to‑one basis, and 819 common shares were withheld to cover tax obligations. After these transactions, he directly holds 7,191 common shares.
OLIN Corp director Julie A. Piggott received a grant of 7,023 Phantom Stock Units tied to OLIN common stock. The units were awarded at a reference price of $28.48 per unit as part of her annual director compensation under the Olin Corporation Non-Employee Director Deferred Compensation Plan.
Each Phantom Stock Unit converts to one share of common stock on a one-to-one basis. Following this award, Piggott holds a total of 21,494.751 Phantom Stock Units directly, representing deferred, stock-based compensation rather than an open-market purchase or sale.
Olin Corporation director Edward Daly received a grant of 7,023 Phantom Stock Units on May 1, 2026. The filing describes this as a grant or award acquisition and notes that each unit converts into one share of Olin common stock on a one-to-one basis.
According to the disclosure, this grant represents a portion of Daly's annual director compensation under the Olin Corporation Non-Employee Director Deferred Compensation Plan. Following this award, Daly holds a total of 16,672 Phantom Stock Units directly.
Olin Corp director Earl L. Shipp reported a grant of 7,023 Phantom Stock Units. The award was made on May 1, 2026 at a reference price of $28.48 per unit as part of Olin’s Non-Employee Director Deferred Compensation Plan.
Each Phantom Stock Unit converts into one share of Olin common stock, giving the grant an equivalent underlying 7,023 common shares. After this award, Shipp directly holds a total of 59,190.528 Phantom Stock Units under the plan, reflecting his accumulated deferred director compensation.
OLIN Corp director Carol A. Williams received a grant of 7,023 Phantom Stock Units as part of her annual director compensation. These units were awarded under the Olin Corporation Non-Employee Director Deferred Compensation Plan and are classified as a grant, award, or other acquisition.
Each Phantom Stock Unit is linked to one share of OLIN Corp common stock on a one-to-one basis. Following this grant, Williams directly holds a total of 58,850 Phantom Stock Units, reflecting her accumulated deferred equity-based board compensation.
Olin Corporation director Matthew S. Darnall received a grant of 10,535 Phantom Stock Units as part of his annual director compensation. The units were valued at $28.48 per unit and convert into Olin common stock on a one-to-one basis.
Following this grant under the Olin Corporation Non-Employee Director Deferred Compensation Plan, Darnall holds a total of 42,721.809 Phantom Stock Units directly. This is a compensation-related award, not an open-market stock purchase or sale.
Olin Corp director Beverley A. Babcock received equity-based compensation in the form of common stock and phantom stock units. On May 1, 2026, she was granted 2,107 shares of common stock at $28.48 per share, bringing her direct holdings to 5,625 shares.
She was also granted 4,916 phantom stock units at a reference price of $28.48, increasing her phantom stock balance to 38,508 units. Footnotes explain these awards represent portions of her annual director compensation under Olin’s Non-Employee Director Deferred Compensation Plan and that the phantom stock units convert into common stock on a one-to-one basis.
Olin Corp director William H. Weideman received a grant of 7,023 Phantom Stock Units as part of annual director compensation. These Phantom Stock Units were awarded under the Olin Corporation Non-Employee Director Deferred Compensation Plan and convert into an equal number of shares of common stock on a one-to-one basis.
After this grant, Weideman holds a total of 53,657 Phantom Stock Units directly, all tied to Olin common stock. This is a routine, compensation-related award rather than an open-market stock purchase or sale.
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.
Olin Corp’s President & CEO Kenneth Todd Lane exercised 50,000 restricted stock units into 50,000 shares of common stock. The restricted stock units convert to common stock on a one-for-one basis. As part of the same event, 19,675 common shares were withheld at a price of $26.25 per share to cover tax obligations.
Following these transactions on common stock, Lane directly held 100,287 Olin common shares. The restricted stock units stem from a 200,000-unit grant made on March 18, 2024, of which 50,000 vested on March 18, 2025, 50,000 vested on March 18, 2026, and 100,000 are scheduled to vest on March 18, 2027.
Olin Corporation executive Deon Carter sold common stock in an open-market transaction. On February 25, 2026, Carter sold 6,500 shares of Olin common stock at a weighted average price of $23.727 per share, in multiple trades between $23.71 and $23.743. After these sales, Carter directly owned 357 shares of Olin common stock.
Olin Corporation VP & Chief Legal Officer Angela M. Castle reported several equity moves. On February 24, 2026, she sold 2,379.2625 shares of common stock in open-market transactions at a weighted average price of $24.2512, within a $24.22–$24.3415 range. On February 20, 2026, 3,380 restricted stock units were converted into the same number of common shares at $0, with 1,003 shares withheld at $24.09 to cover taxes. Following these transactions, she directly held 1,527.7375 common shares, 6,758 restricted stock units, and indirectly held 2.4123 shares through the Olin Corporation Retirement Savings Plan.
Olin Corporation VP & Treasurer Teresa M. Vermillion reported equity award activity on February 20, 2026. She exercised 2,318 restricted stock units, converting them into an equal number of common shares at $0.00 per share. To cover tax obligations, 674 common shares were disposed of at $24.09 per share through a tax-withholding transaction. Following these transactions, she directly held 18,922 common shares and 4,634 restricted stock units, plus an additional 140.7607 common shares held indirectly under the Olin Corporation Retirement Savings Plan.
Olin Corp VP & Controller Nichole Sumner reported equity award activity involving restricted stock units and common shares. On February 20, 2026, 1,835 restricted stock units were exercised and converted into 1,835 shares of common stock, with no cash exercise price. To cover taxes on this vesting, 538 common shares were disposed of at $24.09 per share through a tax-withholding transaction. After these transactions, the reporting person directly held 26,147 common shares and 3,669 restricted stock units, plus 9,452.6705 common shares held indirectly through the Olin Corporation Retirement Savings Plan.
Olin Corp VP & CFO Todd A. Slater exercised 8,690 restricted stock units on a one-to-one basis into common stock on February 20, 2026 at a stated price of $0.00 per share. To cover tax obligations, 3,850 common shares were disposed of at $24.09 per share.
After these transactions, Slater directly owned 49,543 common shares and 17,379 restricted stock units. He also indirectly held 115,123 common shares through a joint revocable living trust and 96.7778 shares through the Olin Corporation Retirement Savings Plan.
OLIN Corp President & CEO Kenneth Todd Lane reported equity award activity involving restricted stock units and common shares. On February 20, 2026, he exercised 36,206 restricted stock units, which converted into 36,206 shares of common stock at no exercise price.
These units are part of a 108,617‑unit grant awarded on February 20, 2025, vesting in three annual installments through 2028. In a related move, 8,811 common shares were disposed of at $24.09 per share to cover tax obligations associated with the vesting, a tax-withholding disposition rather than an open-market sale. Following these transactions, Lane directly owned 69,962 common shares.
Olin Corp vice president Florian J. Kohl reported equity award activity. On February 20, 2026, he exercised 6,035 restricted stock units, converting them into an equal number of common shares at a stated price of $0.00 per share. In a related transaction that same day, 1,470 common shares were disposed of at $24.09 per share to satisfy tax obligations associated with the award. After these transactions, Kohl directly held 12,068 restricted stock units and 5,510 shares of Olin common stock.
Olin Corp executive Deon Carter, VP & President CAPV, reported the vesting and conversion of 6,759 restricted stock units into common stock on February 20, 2026. From these shares, 1,793 were withheld to cover tax obligations at $24.09 per share. After these transactions, Carter directly holds 6,857 shares of Olin common stock and retains 13,517 restricted stock units from a prior 20,276-unit grant scheduled to vest through 2028.
OLIN Corp executive Brett A. Flaugher reported equity award activity and related tax withholding. On February 20, 2026, he exercised 6,276 restricted stock units at $0.0000 per unit, converting them into the same number of common shares through a derivative exercise.
On the same date, 1,839 common shares were disposed of at $24.09 per share to cover tax obligations associated with this award. After these transactions, he held 4,674 common shares directly, 12,552 restricted stock units directly, and 88,438 common shares indirectly through a trust. Footnotes state the restricted stock units convert into common stock on a one‑to‑one basis and are part of an 18,827‑unit grant with scheduled vesting through February 20, 2028.
OLIN Corp director and President & CEO Kenneth Todd Lane reported an equity compensation grant on Form 4. On February 18, 2026, he acquired 132,053 restricted stock units, each representing a contingent right to receive one share of Olin common stock. These restricted stock units vest in three annual installments beginning on February 18, 2027, aligning his compensation with future company performance.
OLIN Corp executive Brett A. Flaugher reported equity awards and updated holdings. On February 18, 2026, he acquired 24,010 restricted stock units, each representing a contingent right to receive one share of Olin common stock. These restricted stock units vest in three annual installments beginning on February 18, 2027.
On the same date, he also acquired 237 shares of Olin common stock as a grant. Following these transactions, he directly holds these awards and has an additional 88,438 shares of common stock reported as indirectly owned through a trust.
Kohl Florian J reported acquisition or exercise transactions in this Form 4 filing.
OLIN Corp reported that executive Florian J. Kohl, Vice President and President of Epoxy & International, received a grant of 20,009 restricted stock units. Each unit represents a contingent right to receive one share of Olin common stock at no purchase price.
The restricted stock units will vest in three annual installments beginning on February 18, 2027. This award increases Kohl’s direct derivative holdings to 20,009 restricted stock units, aligning part of his compensation with the company’s future share performance over the multi-year vesting period.
Olin Corp VP & CFO Todd A. Slater reported equity compensation awards. On February 18, 2026, he acquired 32,013 restricted stock units at $0.00 per unit, each representing a contingent right to receive one share of Olin common stock. These restricted stock units vest in three annual installments beginning on February 18, 2027, tying a significant portion of his compensation to the company’s future performance.
On the same date, he was also awarded 412 shares of Olin common stock at $0.00 per share as a direct grant. The filing additionally reflects indirect holdings of common stock through a joint revocable living trust and shares held under the Olin Corporation Retirement Savings Plan by the RSP trustee, but these are reported as positions rather than new open-market purchases or sales.
OLIN Corp executive Teresa M. Vermillion, VP & Treasurer, reported equity awards on February 18, 2026. She acquired 8,004 restricted stock units at $0 per unit and a separate award of 79 shares of common stock, also at $0 per share, as part of compensation grants.
The restricted stock units convert into common stock on a one-to-one basis and vest in three annual installments beginning on February 18, 2027. After these awards, she directly held 8,004 restricted stock units and 17,278 shares of common stock, plus an additional 140.7607 shares of common stock held indirectly through the Olin Corporation Retirement Savings Plan.
Olin Corporation executive Nichole R. Sumner, VP & Controller, reported equity awards and updated holdings. On February 18, 2026, she acquired 6,403 restricted stock units and 79 shares of common stock as grants at a price of $0.00 per share.
Each RSU represents a contingent right to receive one share of Olin common stock and will vest in three annual installments beginning on February 18, 2027. Following these transactions, she held 24,850 shares of common stock directly and 9,452.6705 shares indirectly through the Olin Corporation Retirement Savings Plan as of February 20, 2026.
Ehrhardt Marc reported acquisition or exercise transactions in this Form 4 filing.
OLIN Corp executive Marc Ehrhardt, who serves as VP & President of Corporate Development, reported receiving a grant of 16,007 restricted stock units of Olin common stock. Each restricted stock unit represents a contingent right to receive one share of Olin common stock and will vest in three annual installments beginning on February 18, 2027. This award increases his directly held restricted stock unit balance to 16,007 units, aligning a portion of his compensation with the company’s future share performance over a multi-year period.
OLIN Corp reported that Angela M. Castle, its VP & Chief Legal Officer, acquired equity awards on February 18, 2026. She received 16,007 restricted stock units, each representing a contingent right to one share of Olin common stock, and a separate award of 26 shares of common stock, both at no cash cost.
The restricted stock units vest in three annual installments beginning on February 18, 2027, tying part of her compensation to Olin’s future performance and continued service. Following these awards, she directly holds 1,530 shares of common stock. Separately, 2.4123 shares are held indirectly under the Olin Corporation Retirement Savings Plan by the RSP trustee as of February 20, 2026.
Olin Corp reported that officer Deon Carter, VP & President CAPV, received a grant of 27,211 restricted stock units on February 18, 2026. Each unit represents a contingent right to receive one share of Olin common stock.
These restricted stock units were acquired at a price of $0.00 per unit and are held as direct ownership. The units vest in three annual installments beginning on February 18, 2027, meaning shares are delivered over time as vesting conditions are met.
Olin Corporation vice president and controller Nichole Sumner reported option exercises and share sales. On February 3, 2026, she exercised employee stock options for 4,750 shares of common stock at $13.14 per share, then sold 4,750 shares of common stock the same day at a weighted average price of $22.4939 per share. After these transactions, she directly owned 24,771 shares of Olin common stock and indirectly held 9,452.6705 shares through the Olin Corporation Retirement Savings Plan as of February 3, 2026.
Olin Corporation’s VP & CFO Todd A. Slater reported a stock option exercise and share sale. On February 3, 2026, he exercised 92,250 employee stock options at an exercise price of $13.14 per share, receiving the same number of Olin common shares.
That same day, he sold 92,250 common shares at a weighted average price of $22.4815 per share across multiple trades. After these transactions, he directly held 44,291 common shares, plus 115,123 shares held indirectly through a joint revocable living trust and 96.7778 shares held indirectly in the Olin Retirement Savings Plan.
Olin Corporation vice president and treasurer reports stock option exercise and share sale. On 11/26/2025, the officer exercised employee stock options to acquire 4,500 shares of Olin common stock at an exercise price of $13.14 per share, then sold 4,500 shares on the same date at a weighted average price of $20.8556 per share. Following these transactions, the reporting person directly owned 17,199 shares of Olin common stock and had an additional 140.7607 shares held indirectly through the Olin Corporation Retirement Savings Plan as of November 26, 2025.