Progressive Lori A. Niederst acquires 5.987 stock units

The Chief Personal Lines Officer's dividend-equivalent units will vest at the same time as the related restricted stock units.

Rhea-AI Filing Summary

Progressive Corporation (PGR) Chief Personal Lines Officer Lori A. Niederst acquired 5.987 restricted stock units on October 9, 2026, through reinvestment of dividend equivalents. Each unit represents a contingent right to receive one common share, and the units will vest at the same time as the restricted stock units to which they relate. Her reported post-transaction holdings were 13,096.34 restricted stock units.

Insider Trade Summary

Grant/Award: 5.987 shares

Grant/Award 1 txn

Insider Niederst Lori A

Role Chief Personal Lines Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit F1, F2, F3	5.987	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit — 13,096.34 contracts (Direct)

Footnotes (3)

1. F1. Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock.
2. F2. These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the Restricted Stock Units to which they relate.
3. F3. Expiration Date is the same as the Date Exercisable.

Key Figures

Restricted stock units acquired: 5.987 restricted stock units Restricted stock units held after transaction: 13,096.34 restricted stock units Common shares per restricted stock unit: 1 common share

3 metrics

Restricted stock units acquired 5.987 restricted stock units Acquired October 9, 2026, through reinvestment of dividend equivalents

Restricted stock units held after transaction 13,096.34 restricted stock units Reported post-transaction holdings

Common shares per restricted stock unit 1 common share Each unit represents a contingent right to receive one common share

Key Terms

Restricted Stock Unit, dividend equivalents, vest

3 terms

Restricted Stock Unit financial

"Each Restricted Stock Unit represents a contingent right"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

dividend equivalents financial

"acquired upon the reinvestment of dividend equivalents"

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

vest financial

"will vest at the same time as the Restricted Stock Units to which they relate"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

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

How many restricted stock units did PGR's Chief Personal Lines Officer acquire?

Lori A. Niederst acquired 5.987 restricted stock units on October 9, 2026, through reinvestment of dividend equivalents. Each unit represents a contingent right to receive one common share, and the units vest at the same time as the restricted stock units to which they relate.

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

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Available on EDGAR 10/13/2026 - 10:41 AM EDT Accepted by SEC EDGAR 10/13/2026 - 10:40 AM EDT Learn about SEC filing dates

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^*

Niederst Lori A

(Last) (First) (Middle)

300 NORTH COMMONS BLVD.

(Street)

MAYFIELD VILLAGE OHIO 44143

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
PROGRESSIVE CORP/OH/ [ PGR ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/09/2026

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

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 Stock Unit	(1)	10/09/2026		A		5.987		(2)	(3)	Common	5.987	$0	13,096.34	D

Explanation of Responses:

1. Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock.

2. These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the Restricted Stock Units to which they relate.

3. Expiration Date is the same as the Date Exercisable.

	/s/ Allyson L. Bach, By Power of Attorney	10/13/2026
	** 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)