Pioneer Bancorp EVP reports tax share withholding

Pioneer Bancorp, Inc./MD EVP and CHRO Susan M. Hollister reported a tax-withholding share disposition and updated holdings.

Rhea-AI Filing Summary

Pioneer Bancorp, Inc./MD EVP and CHRO Susan M. Hollister reported a tax-withholding share disposition and updated holdings. On May 21, 2026, 2,523 shares of common stock were disposed of as a tax-withholding transaction at $14.97 per share. After this, she held 29,954 common shares directly and 29,463 common shares indirectly through a 401(k). She also held stock options on 75,000 shares of common stock with a $9.39 exercise price, expiring on May 21, 2034, which vest at 20% per year starting May 21, 2025. Restricted stock is included in the reported holdings and also vests at 20% per year from the same date.

Insider Trade Summary

Exercise Price or Tax Liability: 2,523 shares

Exercise Price or Tax Liability 3 txns

Insider Hollister Susan M

Role EVP and CHRO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	2,523	$14.97	$38K
holding	Stock Options	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 29,954 shares (Direct); Stock Options — 75,000 contracts (Direct); Common Stock — 29,463 shares (Indirect, By 401(k))

Footnotes (2)

1. F1. Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 21, 2025.
2. F2. Stock option vest at a rate of 20% per year commencing on May 21, 2025.

Key Figures

Tax-withholding shares: 2,523 shares Tax-withholding price: $14.97 per share Direct common shares after: 29,954 shares +5 more

8 metrics

Tax-withholding shares 2,523 shares Common stock disposed of for tax obligations at $14.97 per share on May 21, 2026

Tax-withholding price $14.97 per share Value used for 2,523-share tax-withholding disposition of common stock

Direct common shares after 29,954 shares Direct PBFS common stock holdings following the reported transaction

Indirect 401(k) shares 29,463 shares PBFS common stock held indirectly through a 401(k) plan

Stock options underlying shares 75,000 shares Underlying PBFS common stock for outstanding stock options

Option exercise price $9.39 per share Exercise price of PBFS stock options expiring May 21, 2034

Option expiration May 21, 2034 Expiration date of 75,000-share PBFS stock option grant

Vesting rate 20% per year Vesting schedule for restricted stock and stock options starting May 21, 2025

Key Terms

tax-withholding disposition, restricted stock, Stock Options, exercise price, +1 more

5 terms

tax-withholding disposition financial

"2,523 shares of common stock were disposed of as a tax-withholding transaction"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

restricted stock financial

"Includes shares of restricted stock which vest at a rate of 20% per year"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Stock Options financial

"Stock Options on 75,000 shares of common stock with a $9.39 exercise price"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

exercise price financial

"Stock options on 75,000 shares of common stock with a $9.39 exercise price"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

401(k) financial

"29,463 common shares indirectly through a 401(k)"

A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.

FAQ

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

What insider transaction did PBFS executive Susan Hollister report?

Susan Hollister reported a tax-withholding disposition of 2,523 PBFS common shares on May 21, 2026. The shares were used to cover tax or exercise obligations, not an open-market sale, while her remaining equity position in Pioneer Bancorp stayed substantial.

How many Pioneer Bancorp (PBFS) shares does Susan Hollister hold after this Form 4?

After the reported transaction, Susan Hollister directly holds 29,954 PBFS common shares and indirectly holds 29,463 shares through a 401(k). These totals include restricted stock that vests over time, reflecting both current ownership and continuing equity-based incentives.

What stock options in PBFS does Susan Hollister retain?

Susan Hollister holds stock options on 75,000 PBFS common shares with a $9.39 exercise price, expiring on May 21, 2034. These options vest at 20% per year beginning May 21, 2025, providing long-term, performance-linked compensation exposure.

What does the F transaction code mean in this PBFS Form 4?

The F code indicates a tax-withholding disposition, where 2,523 PBFS shares were delivered to satisfy tax or exercise obligations. This type of transaction is not an open-market sale and typically accompanies vesting or option exercises in executive compensation plans.

How do restricted PBFS shares factor into Susan Hollister’s holdings?

Her holdings include restricted PBFS common stock that vests at 20% per year starting May 21, 2025. As these shares vest annually, more of her equity becomes fully owned, aligning ongoing compensation with Pioneer Bancorp’s long-term performance.

Is the PBFS insider transaction a buy or sell in the open market?

The Form 4 shows a tax-withholding disposition of 2,523 PBFS shares, not an open-market buy or sell. Shares were used to cover obligations linked to equity awards, a common administrative step in executive stock compensation programs.

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

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Accepted by SEC EDGAR 06/29/2026 - 03:36 PM 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^*

Hollister Susan M

(Last) (First) (Middle)

652 ALBANY SHAKER ROAD

(Street)

ALBANY NEW YORK 12211

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Pioneer Bancorp, Inc./MD [ PBFS ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026

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	05/21/2026		F		2,523	D	$14.97	29,954(1)	D
Common Stock								29,463	I	By 401(k)

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
Stock Options	$9.39							05/21/2025	05/21/2034	Common Stock	75,000(2)		75,000(2)	D

Explanation of Responses:

1. Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 21, 2025.

2. Stock option vest at a rate of 20% per year commencing on May 21, 2025.

	/s/ Susan M. Hollister	06/29/2026
	** 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)