Timken (NYSE: TKR) director receives 1,280 restricted share units as equity grant

Rhea-AI Filing Summary

MAPES CHRISTOPHER L reported acquisition or exercise transactions in this Form 4 filing.

Timken Co director Christopher L. Mapes reported a compensation grant of 1,280 Restricted Share Units tied to Timken common stock on May 8, 2026. These restricted share units vest 100% one year from the grant date and are deliverable in common shares. Following this filing, Mapes directly holds 30,585 shares of Timken common stock, along with the newly granted restricted share units representing 1,280 underlying common shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider MAPES CHRISTOPHER L

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Share Unit	1,280	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Share Unit — 1,280 shares (Direct, null); Common Stock — 30,585 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Restricted Share Units granted: 1,280 units Underlying common shares for RSUs: 1,280 shares Common stock held after transaction: 30,585 shares +2 more

5 metrics

Restricted Share Units granted 1,280 units Grant on May 8, 2026 to director Christopher L. Mapes

Underlying common shares for RSUs 1,280 shares Each restricted share unit represents one Timken common share

Common stock held after transaction 30,585 shares Direct Timken common stock holdings following reported transactions

RSU grant price $0.00 per unit Equity compensation grant, not an open-market purchase

RSU expiration date May 8, 2027 Expiration date for the 1,280 Restricted Share Units

Key Terms

Restricted Share Unit, grant/award acquisition, Common Stock, vest 100% one year

4 terms

Restricted Share Unit financial

"Grant of restricted share units that vest 100% one year from date of grant."

A restricted share unit (RSU) is a promise by a company to give an employee a set number of company shares at a future date, typically after meeting time or performance conditions. For investors, RSUs matter because when they convert into actual shares they increase the number of shares outstanding (like unlocking more tickets in a game), which can dilute existing holders, and they align employee incentives with company performance, influencing behavior and long-term value.

grant/award acquisition financial

"transaction_action is classified as grant/award acquisition for the RSU grant."

Common Stock financial

"Underlying security title for the 1,280 Restricted Share Units is Common Stock."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

vest 100% one year financial

"restricted share units that vest 100% one year from date of grant."

Form 4 Insider Transactions: What Each Field Means →

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^*

MAPES CHRISTOPHER L

(Last) (First) (Middle)

4500 MT. PLEASANT ST. NW

(Street)

NORTH CANTON OHIO 44720

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
TIMKEN CO [ TKR ]

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)
05/08/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock								30,585	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Unit	$0	05/08/2026		A		1,280		(1)	05/08/2027	Common Stock	1,280	$0	1,280	D

Explanation of Responses:

1. Grant of restricted share units that vest 100% one year from date of grant.

Remarks:

	/s/ Christopher L. Mapes	05/12/2026
	** 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)

FAQ

What insider transaction did Christopher L. Mapes report at Timken (TKR)?

Christopher L. Mapes reported receiving a grant of 1,280 Restricted Share Units on May 8, 2026. These units are a form of equity compensation tied to Timken common stock, separate from his existing 30,585 directly held common shares.

How many Timken (TKR) restricted share units were granted to the director?

The director received 1,280 Restricted Share Units linked to Timken common stock. Each unit represents one underlying common share and was granted at a price of $0.00 per unit as part of his equity compensation package.

When do Christopher L. Mapes’s Timken (TKR) restricted share units vest?

The 1,280 Restricted Share Units vest 100% one year from the May 8, 2026 grant date. After vesting, they become deliverable in Timken common shares, subject to any applicable plan terms or holding requirements.

What are Christopher L. Mapes’s Timken (TKR) common stock holdings after this filing?

After this filing, Christopher L. Mapes directly holds 30,585 shares of Timken common stock. In addition, he has 1,280 Restricted Share Units outstanding, which represent rights to receive the same number of common shares upon vesting.

What does the $0.00 price on the Timken (TKR) restricted share unit grant mean?

The $0.00 price per unit indicates these 1,280 Restricted Share Units were granted as compensation, not purchased in the market. They cost the director nothing upfront and convert into Timken common shares once they vest under the plan’s terms.