BorgWarner director receives stock awards

BorgWarner Inc. director Sara A. Greenstein reported two stock acquisitions on Common Stock.

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Form Type

Rhea-AI Filing Summary

BorgWarner Inc. director Sara A. Greenstein reported two stock acquisitions on Common Stock. On April 29, 2026, she received restricted shares as a stock award that will vest 100% on the first anniversary of the grant date, and she also acquired additional shares through dividend reinvestments linked to previously granted restricted stock. These are compensation- and reinvestment-related transactions, not open-market purchases or sales.

Insider Trade Summary

Grant/Award: 3,311 shares

Grant/Award 2 txns

Insider Greenstein Sara A.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3,228	$0.00	$0.00
Grant/Award	Common Stock	83	$0.00	$0.00

Holdings After Transaction: Common Stock — 22,053 shares (Direct)

Footnotes (3)

F1. Represents a restricted stock award granted on April 29, 2026, that will vest 100% on the first anniversary of the grant date.
F2. Reflects an adjustment to the number of shares beneficially owned after a reconciliation of the Issuer's records regarding the reporting person's exempt transactions.
F3. Represents shares acquired pursuant to dividend reinvestments exempt from Section 16 pursuant to Rule 16a-11 and settled upon the vesting of restricted stock awards.

Key Figures

Restricted stock award: 83 shares Additional shares acquired: 3,228 shares

2 metrics

Restricted stock award 83 shares Common Stock granted on April 29, 2026

Additional shares acquired 3,228 shares Common Stock via dividend reinvestments and record reconciliation

Key Terms

restricted stock award, dividend reinvestments, Section 16, Rule 16a-11

4 terms

restricted stock award financial

"Represents a restricted stock award granted on April 29, 2026, that will vest 100% on the first anniversary"

A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.

dividend reinvestments financial

"Represents shares acquired pursuant to dividend reinvestments exempt from Section 16"

Section 16 regulatory

"dividend reinvestments exempt from Section 16 pursuant to Rule 16a-11"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

Rule 16a-11 regulatory

"dividend reinvestments exempt from Section 16 pursuant to Rule 16a-11"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did BORGWARNER INC (BWA) director Sara Greenstein report?

Sara A. Greenstein reported acquiring Common Stock through a restricted stock award and dividend reinvestments. The transactions occurred on April 29, 2026, and reflect compensation and reinvestment activity rather than open-market buying or selling of BorgWarner shares.

How many BorgWarner (BWA) shares were granted to Sara Greenstein as awards?

The filing shows awards of 83 shares and 3,228 shares of BorgWarner Common Stock. One entry is a restricted stock award, while the other relates to dividend reinvestments and an adjustment after reconciling the issuer’s records for exempt transactions.

Are Sara Greenstein’s BorgWarner Form 4 transactions open-market trades?

No, the Form 4 shows no open-market purchases or sales. The transactions are coded as awards and acquisitions tied to restricted stock and dividend reinvestments, indicating compensation-related activity instead of discretionary market trading in BorgWarner shares.

When will Sara Greenstein’s new BorgWarner restricted stock vest?

The restricted stock award granted to Sara Greenstein on April 29, 2026 will vest 100% on the first anniversary of the grant date. This means all those awarded shares become fully vested one year after the original grant date, subject to applicable conditions.

What does dividend reinvestment mean in Sara Greenstein’s BorgWarner filing?

Dividend reinvestment means cash dividends on existing shares were automatically used to buy additional BorgWarner shares. The filing notes these reinvestments are exempt from Section 16 under Rule 16a-11 and were settled when related restricted stock awards vested.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/01/2026 - 12:49 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^*

Greenstein Sara A.

(Last)

(First)

(Middle)

3850 HAMLIN ROAD

(Street)

AUBURN HILLS

MICHIGAN

48326

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BORGWARNER INC [ BWA ]

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)
04/29/2026

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	04/29/2026		A		3,228⁽¹⁾	A	$0.0000	21,970⁽²⁾	D
Common Stock	04/29/2026		A	V	83⁽³⁾	A	$0.0000	22,053	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:

1. Represents a restricted stock award granted on April 29, 2026, that will vest 100% on the first anniversary of the grant date.

2. Reflects an adjustment to the number of shares beneficially owned after a reconciliation of the Issuer's records regarding the reporting person's exempt transactions.

3. Represents shares acquired pursuant to dividend reinvestments exempt from Section 16 pursuant to Rule 16a-11 and settled upon the vesting of restricted stock awards.

	Miyuki P. Oshima as attorney-in-fact for Sara A. Greenstein	05/01/2026
	** 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