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  4. [Form 4] Koppers Holdings Inc. Insider Trading Activity

Koppers (KOP) director granted 3,280 RSUs and converts 50 Dividend Rights

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Koppers Holdings Inc. director Nishan J. Vartanian reported equity-based compensation transactions in company stock. He received 3,280 shares of Common Stock at no cost as a time-based restricted stock unit award, increasing his direct holdings to 10,664 shares. He also exercised 50 Dividend Equivalent Rights, which converted into 50 shares of Common Stock and reduced his remaining derivative position on these rights to zero. These actions reflect grants and derivative exercises rather than open-market buying or selling.

Positive

  • None.

Negative

  • None.
Insider Vartanian Nishan J.
Role null
Type Security Shares Price Value
Exercise Dividend Equivalent Rights 50 $0.00 --
Exercise Common Stock 50 $0.00 --
Grant/Award Common Stock 3,280 $0.00 --
Holdings After Transaction: Dividend Equivalent Rights — 0 shares (Direct, null); Common Stock — 7,384 shares (Direct, null)
Footnotes (1)
  1. Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis. The reporting person was awarded time-based restricted stock units ("RSUs"). These DERs were released in connection with the vesting of RSUs granted on May 8, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.
RSU-based share award 3,280 shares Common Stock grant at $0.0000 per share on May 7, 2026
Dividend Equivalent Rights exercised 50 rights / 50 shares DERs converted into Common Stock on May 7, 2026
Shares held after RSU grant 10,664 shares Total direct Common Stock holdings following RSU-related acquisition
Shares held after DER exercise entry 7,384 shares Total shown in one non-derivative table line following exercise
Exercise price of DERs $0.0000 per right Conversion or exercise price for 50 Dividend Equivalent Rights
Dividend Equivalent Rights financial
"security_title: "Dividend Equivalent Rights""
Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.
restricted stock units ("RSUs") financial
"The reporting person was awarded time-based restricted stock units ("RSUs")."
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
time-based RSUs financial
"The reporting person was awarded time-based restricted stock units ("RSUs")."
derivative exercise/conversion financial
"transaction_action: "derivative exercise/conversion""
Grant, award, or other acquisition financial
"transaction_code_description: "Grant, award, or other acquisition""
Form 4 Insider Transactions: What Each Field Means →
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*
Vartanian Nishan J.
(Last)(First)(Middle)
436 SEVENTH AVENUE
(Street)
PITTSBURGH PENNSYLVANIA 15219
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Koppers Holdings Inc. [ KOP ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026		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 Stock05/07/2026M50(1)A$0(1)7,384D
Common Stock(2)05/07/2026A3,280A$010,664D
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
Dividend Equivalent Rights(3)05/07/2026M50(3) (3) (3)Common Stock50$00D
Explanation of Responses:
1. Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.
2. The reporting person was awarded time-based restricted stock units ("RSUs").
3. These DERs were released in connection with the vesting of RSUs granted on May 8, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.
Remarks:
/s/ Stephanie L. Apostolou, Attorney in Fact05/11/2026
** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Koppers (KOP) director Nishan Vartanian report?

Nishan Vartanian reported equity awards and a derivative exercise, not open-market trades. He received 3,280 shares of common stock via time-based RSUs and converted 50 Dividend Equivalent Rights into 50 common shares, reflecting routine compensation-related activity.

How many Koppers (KOP) shares does Nishan Vartanian hold after these Form 4 transactions?

After the reported transactions, Nishan Vartanian directly holds 10,664 shares of Koppers common stock. This total reflects the addition of 3,280 shares from restricted stock unit awards and shares received from exercising 50 Dividend Equivalent Rights into common stock.

Were Nishan Vartanian’s Koppers (KOP) transactions open-market buys or sells?

The transactions were not open-market buys or sells. They consist of a grant of 3,280 shares as time-based restricted stock units and the exercise of 50 Dividend Equivalent Rights into common shares, both recorded at a zero transaction price per share.

What are Dividend Equivalent Rights in the Koppers (KOP) Form 4 filing?

Dividend Equivalent Rights are derivative awards that mirror dividends on underlying shares. In this filing, 50 such rights were released and converted one-for-one into 50 Koppers common shares in connection with the vesting of previously granted restricted stock units.

What do the restricted stock units (RSUs) in Koppers (KOP) Form 4 represent?

The restricted stock units represent time-based equity compensation. The filing notes that Nishan Vartanian was awarded time-based RSUs, resulting in 3,280 common shares being credited at no purchase price, aligning his compensation with Koppers’ stock performance over time.