Stefan Loren

CIK 1441500 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 5, 2015 · Latest: Aug. 5, 2015

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Insider at

Insider transactions

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.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
July 8, 2026 CLRB A 15,000 15,000 Direct Acquired (price as of 2026-08-21)
Feb. 14, 2025 CLRB A 60,000 60,000 Direct Acquired (price as of 2026-08-21)
June 14, 2024 CLRB A 60,000 60,000 Direct Acquired (price as of 2026-08-21)
June 28, 2023 CLRB A 25,000 47,885 Direct +109.24% Acquired (price as of 2026-08-21)
June 24, 2022 CLRB A 7,800 7,800 Direct Acquired (price as of 2026-08-21)
June 30, 2021 CLRB A 78,000 78,000 Direct Acquired (price as of 2026-08-21)
June 24, 2020 CLRB A 50,000 50,000 Direct Acquired (price as of 2026-08-21)
June 13, 2019 CLRB A 6,500 6,500 Direct Acquired (price as of 2026-08-21)
Oct. 12, 2018 CLRB A 13,000 13,000 Direct Acquired (price as of 2026-08-21)
May 31, 2017 CLRB A 10,000 10,000 Direct Acquired (price as of 2026-08-21)
July 5, 2016 CLRB A 22,500 $0.01 $225 23,500 Direct +2250.00% Acquired -91.3% (price as of 2026-08-21)

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 8, 2026 CLRB Stock option (right to buy) Common stock (15,000) $2.68 July 8, 2036 15,000 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
June 24, 2020 CLRB Stock option (right to buy) Common Stock (50,000) $1.28 June 24, 2030 50,000 Acquired
June 13, 2019 CLRB Stock option (right to buy) Common Stock (6,500) $2.15 June 13, 2029 6,500 Acquired
Oct. 12, 2018 CLRB Stock option (right to buy) Common Stock (13,000) $2.61 Oct. 12, 2028 13,000 Acquired
May 31, 2017 CLRB Stock option (right to buy) Common Stock (10,000) $1.74 May 31, 2027 10,000 Acquired
July 5, 2016 CLRB Stock option (right to buy) Common Stock (22,500) $3.34 July 5, 2026 22,500 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
Aug. 5, 2015 CLRB Employee Stock Option (right to buy)→ Common Stock (10,000) 10,000 Direct