Form 4 for PFIS PEOPLES FINANCIAL SERVICES CORP.

Accepted 2026-09-01 15:13:50 ET · period of report 2026-08-29 · accession 0001437749-26-029391 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-09-01 15:13	2026-08-29	PFIS	Drobins Jeffrey A	EVP, Chief LENDING Off	M - OptEx	—	+1,887	6,851	+38%	—
D	2026-09-01 15:13	2026-08-29	PFIS	Drobins Jeffrey A	EVP, Chief LENDING Off	F - Tax	$69.63	-788	6,063	-12%	-$54.9K
D	2026-09-01 15:13	2026-08-29	PFIS	Drobins Jeffrey A	EVP, Chief LENDING Off	M - OptEx	$0.00	-1,887	9,876	-16%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-08-29	M	A	1,887	—	6,850.58	D	—	—	(F1) Restricted stock units (RSUs) convert into common stock on a one-for-one basis.
2	Common	Common Stock	2026-08-29	F	D	788	$69.63	6,062.58	D	—	—	(F2) This amount includes 155 shares of time based restricted common stock solely owned by Mr. Drobins and 5,907.5820 shares solely owned by Mr. Drobins.
3	Derivative	Restricted Stock Units	2026-08-29	M	D	1,887	$0.00	9,876	D	— · — to —	1,887 Common Stock	(F1) Restricted stock units (RSUs) convert into common stock on a one-for-one basis. (F3) On 8/29/2025, Mr. Drobins was granted 11,763 RSUs vesting in seven annual installments beginning 8/29/2026. (F3) On 8/29/2025, Mr. Drobins was granted 11,763 RSUs vesting in seven annual installments beginning 8/29/2026. (F4) 1,887 RSUs vested on 8/29/2026 leaving 1,646 RSUs to vest each year on 8/29/2027, 8/29/2028, 8/29/2029, 8/29/2030, 8/29/2031, and 8/29/2032.