Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 6 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
July 7, 2026 CLRB A 25,000 · · 25,000 Direct · Acquired (price as of 2026-10-05)
Feb. 14, 2025 CLRB A 60,000 · · 60,000 Direct · Acquired (price as of 2026-10-05)
June 14, 2024 CLRB A 60,000 · · 60,000 Direct · Acquired (price as of 2026-10-05)
June 28, 2023 CLRB A 25,000 · · 40,600 Direct +160.26% Acquired (price as of 2026-10-05)
June 24, 2022 CLRB A 7,800 · · 7,800 Direct · Acquired (price as of 2026-10-05)
June 30, 2021 CLRB A 78,000 · · 78,000 Direct · Acquired (price as of 2026-10-05)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
July 7, 2026 CLRB Stock option (right to buy) Common stock (25,000) $2.70 July 7, 2036 25,000 Acquired
Feb. 14, 2025 CLRB Stock option (right to buy) Common Stock (60,000) $0.29 Feb. 14, 2035 60,000 Acquired
June 14, 2024 CLRB Stock option (right to buy) Common Stock (60,000) $2.58 Dec. 22, 2033 60,000 Acquired
June 28, 2023 CLRB Stock option (right to buy) Common Stock (25,000) $1.85 June 28, 2033 25,000 Acquired
June 24, 2022 CLRB Stock option (right to buy) Common Stock · June 24, 2032 7,800 Acquired
June 30, 2021 CLRB Stock option (right to buy) Common Stock (78,000) $1.19 June 30, 2031 78,000 Acquired

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