Black Maple Capital Management LP

Position in OSBC — Old Second Bancorp Inc

CIK 1588959 MILWAUKEE, WI

Position in OSBC

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$790,755

-$164,745 QoQ

Shares Held

39,224

-20.0% QoQ

Ownership

0.076%

of shares outstanding

% of Portfolio

0.77%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2023

13 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

Black Maple Capital Management LP holds $27,644,766 across 13 Banks - Regional names. OSBC ranks #5 (2.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PNFP	Pinnacle Financial Partners, Inc.	85,549	$7,369,190
2	HBAN	Huntington Bancshares Inc /Md/	397,656	$6,223,316
3	WAL	Western Alliance Bancorporation	84,599	$5,993,839
4	BANC	Banc Of California, Inc.	249,621	$4,388,337
5	OSBC	Old Second Bancorp Inc This page	39,224	$790,755
6	FNWD	Finward Bancorp	14,678	$532,811
7	ALRS	Alerus Financial Corp	19,757	$468,438
8	USB	US Bancorp De	8,000	$416,080

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$790,755	39,224	-20.0%	Shares	Sole	2026-05-15
2025-12-31	$955,500	49,000	-6.7%	Shares	Sole	2026-02-17
2025-09-30	$907,725	52,500	+10.5%	Shares	Sole	2025-11-14
2025-06-30	$842,650	47,500	+11.8%	Shares	Sole	2025-08-14
2025-03-31	$707,200	42,500	+6.2%	Shares	Sole	2025-05-15
2024-12-31	$711,200	40,000	-13.9%	Shares	Sole	2025-02-14
2024-09-30	$723,937	46,436	-7.9%	Shares	Sole	2024-11-14
2024-06-30	$746,957	50,436	0.0%	Shares	Sole	2024-08-14
2024-03-31	$698,034	50,436	+24.7%	Shares	Sole	2024-05-15
2023-12-31	$624,331	40,436	+8.0%	Shares	Sole	2024-02-14
2023-09-30	$509,503	37,436	-25.0%	Shares	Sole	2023-11-14
2023-06-30	$651,563	49,890	+144.0%	Shares	Sole	2023-08-14
2023-03-31	$287,456	20,445	—	Shares	Sole	2023-05-15
No filing history on record for this holder in this stock.