Brian Choi

Insider

First SEC filing: March 27, 2018 · Latest: March 27, 2018

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

OPBK buying Feb. 26, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 13 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 26, 2021	OPBK	P	2,197	$9.37	$20,586	955,000 Direct	+0.23%	Acquired	66.2% (price as of 2026-08-19)
Feb. 26, 2021	OPBK	P	200	$9.30	$1,860	952,803 Direct	+0.02%	Acquired	67.4% (price as of 2026-08-19)
Feb. 3, 2021	OPBK	P	2,603	$7.61	$19,809	952,603 Direct	+0.27%	Acquired	104.6% (price as of 2026-08-19)
Sept. 4, 2020	OPBK	P	5,000	$6.10	$30,500	950,000 Direct	+0.53%	Acquired	155.2% (price as of 2026-08-19)
Aug. 20, 2020	OPBK	P	5,000	$6.10	$30,500	945,000 Direct	+0.53%	Acquired	155.2% (price as of 2026-08-19)
Aug. 20, 2020	OPBK	P	3,500	$6.10	$21,350	940,000 Direct	+0.37%	Acquired	155.2% (price as of 2026-08-19)
Aug. 17, 2020	OPBK	P	6,500	$6.17	$40,105	936,500 Direct	+0.70%	Acquired	152.4% (price as of 2026-08-19)
Aug. 7, 2020	OPBK	P	1,077	$6.25	$6,731	930,000 Direct	+0.12%	Acquired	149.1% (price as of 2026-08-19)
July 31, 2020	OPBK	P	11,608	$6.20	$71,970	928,923 Direct	+1.27%	Acquired	151.1% (price as of 2026-08-19)
July 30, 2020	OPBK	P	2,311	$6.20	$14,328	917,315 Direct	+0.25%	Acquired	151.1% (price as of 2026-08-19)
July 24, 2020	OPBK	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
July 24, 2020	OPBK	M	15,000	—	—	915,004 Direct	+1.67%	Acquired	(price as of 2026-08-19)
June 12, 2020	OPBK	P	4,825	$6.44	$31,073	900,004 Direct	+0.54%	Acquired	141.8% (price as of 2026-08-19)
June 11, 2020	OPBK	P	9,179	$6.25	$57,369	895,179 Direct	+1.04%	Acquired	149.1% (price as of 2026-08-19)
May 22, 2020	OPBK	P	10,000	$6.00	$60,000	886,000 Direct	+1.14%	Acquired	159.5% (price as of 2026-08-19)
May 14, 2020	OPBK	P	6,000	$5.80	$34,800	876,000 Direct	+0.69%	Acquired	168.4% (price as of 2026-08-19)
May 12, 2020	OPBK	P	5,000	$6.15	$30,750	870,000 Direct	+0.58%	Acquired	153.2% (price as of 2026-08-19)
May 12, 2020	OPBK	P	5,000	$6.25	$31,250	865,000 Direct	+0.58%	Acquired	149.1% (price as of 2026-08-19)
May 8, 2020	OPBK	P	15,000	$6.45	$96,750	860,000 Direct	+1.78%	Acquired	141.4% (price as of 2026-08-19)
March 12, 2020	OPBK	P	3,000	$7.35	$22,050	845,000 Direct	+0.36%	Acquired	111.8% (price as of 2026-08-19)
March 12, 2020	OPBK	P	2,000	$7.62	$15,240	842,000 Direct	+0.24%	Acquired	104.3% (price as of 2026-08-19)
March 12, 2020	OPBK	P	5,000	$7.64	$38,200	840,000 Direct	+0.60%	Acquired	103.8% (price as of 2026-08-19)
March 10, 2020	OPBK	P	600	$8.22	$4,932	835,000 Direct	+0.07%	Acquired	89.4% (price as of 2026-08-19)
March 10, 2020	OPBK	P	14,400	$8.00	$115,200	834,400 Direct	+1.76%	Acquired	94.6% (price as of 2026-08-19)
March 2, 2020	OPBK	P	3,215	$9.60	$30,864	820,000 Direct	+0.39%	Acquired	62.2% (price as of 2026-08-19)
July 25, 2019	OPBK	M	15,000	—	—	15,000 Direct	-50.00%	Disposed	(price as of 2026-08-19)
July 25, 2019	OPBK	M	15,000	—	—	816,785 Direct	+1.87%	Acquired	(price as of 2026-08-19)
Feb. 6, 2019	OPBK	G	25,000	—	—	801,785 Direct	-3.02%	Disposed	(price as of 2026-08-19)
Jan. 30, 2019	OPBK	M	45,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Jan. 30, 2019	OPBK	M	45,000	$2.85	$128,250	826,785 Direct	+5.76%	Acquired	446.3% (price as of 2026-08-19)
Dec. 12, 2018	OPBK	P	30,000	$8.94	$268,200	781,785 Direct	+3.99%	Acquired	74.2% (price as of 2026-08-19)
Nov. 20, 2018	OPBK	M	20,000	—	—	45,000 Direct	-30.77%	Disposed	(price as of 2026-08-19)
Nov. 20, 2018	OPBK	M	20,000	$2.85	$57,000	751,785 Direct	+2.73%	Acquired	446.3% (price as of 2026-08-19)
July 25, 2018	OPBK	M	15,000	—	—	30,000 Direct	-33.33%	Disposed	(price as of 2026-08-19)
July 25, 2018	OPBK	M	15,000	—	—	731,785 Direct	+2.09%	Acquired	(price as of 2026-08-19)
May 25, 2018	OPBK	M	35,000	—	—	65,000 Direct	-35.00%	Disposed	(price as of 2026-08-19)
May 25, 2018	OPBK	M	35,000	$2.85	$99,750	716,785 Direct	+5.13%	Acquired	446.3% (price as of 2026-08-19)
March 29, 2018	OPBK	P	10,000	$11.00	$110,000	681,785 Direct	+1.49%	Acquired	41.5% (price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
July 24, 2020	OPBK	Restricted Stock Unit	Common Stock (15,000)	—	—	15,000	Disposed
July 25, 2019	OPBK	Restricted Stock Unit	Common Stock (15,000)	—	—	15,000	Disposed
Jan. 30, 2019	OPBK	Stock Option (right to buy)	Common Stock (45,000)	$2.85	Aug. 19, 2020	45,000	Disposed
Nov. 20, 2018	OPBK	Stock Option (right to buy)	Common Stock (20,000)	$2.85	Aug. 19, 2020	20,000	Disposed
July 25, 2018	OPBK	Restricted Stock Unit	Common Stock (15,000)	—	—	15,000	Disposed
May 25, 2018	OPBK	Stock Option (right to buy)	Common Stock (35,000)	$2.85	Aug. 19, 2020	35,000	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 27, 2018	OPBK	Common Stock	671,785	Direct
March 27, 2018	OPBK	Stock option (right to buy)→ Common Stock (100,000)	100,000	Direct
March 27, 2018	OPBK	Restricted Stock Unit→ Common Stock (45,000)	45,000	Direct