Kronos Worldwide (NYSE: KRO) director buys 14,601 shares in open market

Q: Were the Kronos Worldwide (KRO) insider transactions open-market purchases?

Yes, all reported transactions were open-market purchases. Each entry in the Form 4 uses transaction code P with a description of “Purchase in open market or private transaction,” indicating routine buying of common stock rather than option exercises or gifts.

Filing Impact

(Neutral)

Filing Sentiment

(Positive)

Form Type

Rhea-AI Filing Summary

Kronos Worldwide Inc. director Kevin B. Kramer reported buying 14,601 shares of the company’s common stock in open-market transactions on May 18, 2026. The purchases were made at prices between $6.70 and $6.77 per share. Following these trades, he directly owns about 44,411 shares.

Insider Trade Summary

Net Buyer: 14,601 shares ($98,510)

Net Buy 4 txns

Insider Kramer Kevin B

Role null

Bought 14,601 shs ($99K)

Type	Security	Shares	Price	Value
Purchase	Common Stock $0.01 par value per share	3,731	$6.70	$25K
Purchase	Common Stock $0.01 par value per share	3,735	$6.75	$25K
Purchase	Common Stock $0.01 par value per share	335	$6.76	$2K
Purchase	Common Stock $0.01 par value per share	6,800	$6.77	$46K

Holdings After Transaction: Common Stock $0.01 par value per share — 33,541.461 shares (Direct, null)

Footnotes (1)

Key Figures

Shares purchased: 14,601 shares Purchase prices: $6.70–$6.77 per share Holdings after transaction: 44,411 shares +2 more

5 metrics

Shares purchased 14,601 shares Total open-market purchases on May 18, 2026

Purchase prices $6.70–$6.77 per share Common Stock $0.01 par value per share

Holdings after transaction 44,411 shares Direct ownership following May 18, 2026 purchases

Number of buy transactions 4 trades All coded P (open-market purchase)

Largest single trade size 6,800 shares Common stock purchase at $6.77 per share

Key Terms

Common Stock $0.01 par value per share, open-market purchase, non-derivative, Form 4, +1 more

5 terms

open-market purchase financial

"transaction_action: open-market purchase"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

non-derivative financial

"transaction_type: non-derivative"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

direct ownership financial

"ownership_type: direct, ownership_code: D"

Form 4 Insider Transactions: What Each Field Means →

05/18/2026 - 03:12 PM

SEC Form 4

FORM 4

UNITED 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^*

Kramer Kevin B

(Last)

(First)

(Middle)

5430 LBJ FREEWAY

SUITE1700

(Street)

DALLAS

TEXAS

75240

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
KRONOS WORLDWIDE INC [ KRO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock $0.01 par value per share	05/18/2026		P		3,731	A	$6.7	33,541.461	D
Common Stock $0.01 par value per share	05/18/2026		P		3,735	A	$6.75	37,276.461	D
Common Stock $0.01 par value per share	05/18/2026		P		335	A	$6.76	37,611.461	D
Common Stock $0.01 par value per share	05/18/2026		P		6,800	A	$6.77	44,411.461	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

	Jane R. Grimm, Attorney-in-fact, for Kevin B. Kramer	05/18/2026
	** Signature of Reporting Person	Date
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 transaction did Kronos Worldwide (KRO) disclose for Kevin B. Kramer?

Kronos Worldwide reported that director Kevin B. Kramer bought company shares. He made multiple open-market purchases of common stock on May 18, 2026, totaling 14,601 shares, as disclosed in a Form 4 insider trading report.

How many Kronos Worldwide (KRO) shares did Kevin B. Kramer buy and at what prices?

Kramer bought 14,601 Kronos Worldwide common shares in total. The Form 4 shows several open-market purchases executed at prices ranging from $6.70 to $6.77 per share on May 18, 2026.

What is Kevin B. Kramer’s total direct ownership in Kronos Worldwide (KRO) after this Form 4?

After the reported purchases, Kramer directly holds about 44,411 shares. The Form 4 indicates total shares following the transactions of 44,411.461, reflecting his updated direct ownership of Kronos Worldwide common stock.

Were the Kronos Worldwide (KRO) insider transactions open-market purchases?

Yes, all reported transactions were open-market purchases. Each entry in the Form 4 uses transaction code P with a description of “Purchase in open market or private transaction,” indicating routine buying of common stock rather than option exercises or gifts.

Did the Kronos Worldwide (KRO) Form 4 include any derivative or option transactions?

No derivative or option activity was reported in this Form 4. All transactions involved non-derivative common stock, and the derivative summary section shows no remaining derivative positions or exercises associated with these trades.

Is Kevin B. Kramer a director or officer of Kronos Worldwide (KRO) in this filing?

The Form 4 identifies Kevin B. Kramer as a director of Kronos Worldwide. He is not reported as an officer or ten percent owner in the filing, and the transactions relate to his direct ownership of common stock.