LEWIS OLIVER EDWARD JR (SEVP & Head Commercial Banking) purchased 15K shares of COLUMBIA FINANCIAL, INC./MD/ on the open market

Open‑market purchase worth $150.0K. The strongest form of insider conviction signal.

P · 2 purchases

LEWIS OLIVER EDWARD JR

Filed: 7/23/2026ACC: 0001839477-26-000014

InsiderLEWIS OLIVER EDWARD JRCIK 1839477

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IssuerCOLUMBIA FINANCIAL, INC./MD/CIK 2115119

Officer· SEVP & Head Commercial Banking

Since Jul 2026

+15K

Net shares

Net buyer

$150.0K

Total acquired

Open market trades

2B · 0S

Total transactions

15K acquired

Non-Derivative Transactions2

Common Stock

Direct

P · Purchase

+500.00

Price / share

$10.00

Trade value

$5K

% of position

0.8%

7/20/2026

64.80K→65.30K

Common Stock

Indirect

P · Purchase

+14.50K

Price / share

$10.00

Trade value

$145K

% of position

New position

7/20/2026

0.00→14.50K

Total

Net shares

+15K

Net value

$150K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	7/20/2026	P · Purchase	+500.00	$10.00	$5K	0.8%	64.80K	65.30K
Common Stock Indirect	7/20/2026	P · Purchase	+14.50K	$10.00	$145K	New position	0.00	14.50K
Total			+15K		$150K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)7

Common Stock

Indirect

Shares owned7.51K

Common Stock

Indirect

Shares owned23.23K

Common Stock

Indirect

Shares owned24.86K

Common Stock

Indirect

Shares owned16.70K

Common Stock

Indirect

Shares owned10.79K

Common Stock

Indirect

Shares owned1.50K

Common Stock

Indirect

Shares owned25.90K

Total

110.49K indirect110.49K

Security Title	Shares Owned	Ownership Type
Common Stock	7.51K	Indirect
Common Stock	23.23K	Indirect
Common Stock	24.86K	Indirect
Common Stock	16.70K	Indirect
Common Stock	10.79K	Indirect
Common Stock	1.50K	Indirect
Common Stock	25.90K	Indirect
Total	110.49K	110.49K indirect

Derivative Holdings (Post-Transaction)6

Stock Options (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

125.46K

Shares owned

125.46K

Exercise price

8.12

Expiration

—

Exercise window

—

Stock Options (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

44K

Shares owned

44K

Exercise price

8.31

Expiration

—

Exercise window

—

Stock Options (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

18.74K

Shares owned

18.74K

Exercise price

7.50

Expiration

—

Exercise window

—

Stock Options (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

43.07K

Shares owned

43.07K

Exercise price

7.38

Expiration

—

Exercise window

—

Stock Options (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

25.47K

Shares owned

25.47K

Exercise price

7.25

Expiration

—

Exercise window

—

Stock Options (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

38.82K

Shares owned

38.82K

Exercise price

7.73

Expiration

—

Exercise window

—

Total

Underlying

295.56K

Owned

295.56K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Options (right to buy) Direct	Common Stock	8.12	—	—	125.46K	125.46K
Stock Options (right to buy) Direct	Common Stock	8.31	—	—	44K	44K
Stock Options (right to buy) Direct	Common Stock	7.50	—	—	18.74K	18.74K
Stock Options (right to buy) Direct	Common Stock	7.38	—	—	43.07K	43.07K
Stock Options (right to buy) Direct	Common Stock	7.25	—	—	25.47K	25.47K
Stock Options (right to buy) Direct	Common Stock	7.73	—	—	38.82K	38.82K
Total					295.56K	295.56K