Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 11 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 15, 2026 MBBC A 8,467 · · 8,467 Direct · Acquired (price as of 2026-10-06)
June 15, 2026 MBBC A 3,386 · · 8,501 Direct +66.20% Acquired (price as of 2026-10-06)
May 5, 2026 MBBC M 899 $8.13 $7,309 4,516 Direct +24.85% Acquired 85.5% (price as of 2026-10-06)
May 5, 2026 MBBC M 599 $6.48 $3,882 5,115 Direct +13.26% Acquired 132.7% (price as of 2026-10-06)
May 5, 2026 MBBC M 899 · · 600 Direct -59.97% Disposed (price as of 2026-10-06)
May 5, 2026 MBBC M 599 · · 900 Direct -39.96% Disposed (price as of 2026-10-06)
April 21, 2025 MBBC A 550 $10.00 $5,500 3,617 Direct +17.93% Acquired 106.9% (price as of 2026-10-06)
May 16, 2023 MBBC A 1,311 · · 2,235 Direct +141.88% Acquired (price as of 2026-10-06)
May 16, 2023 MBBC A None · · 1,092 Direct · Acquired (price as of 2026-10-06)
June 28, 2022 MBBC A 874 · · 924 Direct +1748.00% Acquired (price as of 2026-10-06)
June 28, 2022 MBBC A 1,092 · · 1,092 Direct · Acquired (price as of 2026-10-06)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 15, 2026 MBBC Stock Options Common Stock $14.55 June 15, 2036 8,467 Acquired
May 5, 2026 MBBC Stock Options Common Stock $8.13 June 28, 2032 899 Disposed
May 5, 2026 MBBC Stock Options Common Stock $6.48 May 16, 2033 599 Disposed
May 16, 2023 MBBC Stock Options Common Stock $8.90 May 16, 2033 · Acquired
June 28, 2022 MBBC Stock Options Common Stock $11.16 June 28, 2032 1,092 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
July 8, 2022 MBBC Common Stock 50 Direct