William D. O'Brien

CIK: 0001679927

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (20.0%)

Position reduction

Option Exercises (M)3 (60.0%)

Derivative conversions

Awards (A)1 (20.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

PBHC

Pathfinder Bancorp, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

PBHC
Pathfinder Bancorp, Inc.
May 4, 2026
Exercise(M)
Direct
7.9K shares at avg. $11.35$90K
PBHC
Pathfinder Bancorp, Inc.
Mar 5, 2026
Exercise(M)
Direct
3.6K shares at avg. $10.81$39K
PBHC
Pathfinder Bancorp, Inc.
Feb 4, 2026
Exercise(M)
Direct
5K shares at avg. $10.81$54K
PBHC
Pathfinder Bancorp, Inc.
Feb 12, 2025
Sale(S)
Direct
2.4K shares at avg. $17.14$40K
PBHC
Pathfinder Bancorp, Inc.
Jan 31, 2025
Award(A)
Direct
11K shares-

		Type	Shares	Price		Ownership
May 4, 2026	PBHC Pathfinder Bancorp, Inc.	Exercise(M)	7,908	$11.35	$89,756	Direct
Mar 5, 2026	PBHC Pathfinder Bancorp, Inc.	Exercise(M)	3,647	$10.81	$39,424	Direct
Feb 4, 2026	PBHC Pathfinder Bancorp, Inc.	Exercise(M)	5,000	$10.81	$54,050	Direct
Feb 12, 2025	PBHC Pathfinder Bancorp, Inc.	Sale(S)	2,353	$17.14	$40,330	Direct
Jan 31, 2025	PBHC Pathfinder Bancorp, Inc.	Award(A)	11,000	-	-	Direct

1-5 of 5 transactions

About O'Brien William D

O'Brien William D (SEC CIK 0001679927) files insider reports with the SEC as Senior Vice President of Pathfinder Bancorp, Inc. (PBHC).

Signal8 holds 7 ownership filings by O'Brien William D, all Form 4s, filed between Feb 4, 2025 and May 6, 2026. Those filings report 5 transactions, from Jan 31, 2025 to May 4, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on O'Brien William D's filings is in OSWEGO, NY.

Recent filings by O'Brien William D

May 4, 2026: Option exercise of PBHC shares (Form 4, code M).
Mar 5, 2026: Option exercise of PBHC shares (Form 4, code M).
Feb 4, 2026: Option exercise of PBHC shares (Form 4, code M).
Feb 12, 2025: Open-market sale of PBHC shares (Form 4, code S).
Jan 31, 2025: Grant or award of PBHC shares (Form 4, code A).

Other insiders filing for Pathfinder Bancorp, Inc. (PBHC)

Polniak Joseph, FVP, General Counsel
Dowd James A., President and CEO
Littlejohn Melanie, Director
Bass Regina E, First Vice President
Tascarella Ronald G., Senior Vice President
Serbun Joseph F, Senior Vice President

How to read Form 4 transaction codes