Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 7 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
Aug. 19, 2026 CALC A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-02)
Oct. 13, 2025 CALC A 937 · · 937 Direct · Acquired (price as of 2026-10-02)
June 24, 2025 CALC A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-02)
June 24, 2025 CALC A 4,166 · · 4,166 Direct · Acquired (price as of 2026-10-02)
June 24, 2025 CALC A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-02)
June 24, 2025 CALC A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-02)
Jan. 15, 2025 CALC A 20,000 · · 20,000 Direct · Acquired (price as of 2026-10-02)

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
Aug. 19, 2026 CALC Director Stock Option (Right to Buy) Common Stock (10,000) $0.61 Aug. 18, 2036 10,000 Acquired
Oct. 13, 2025 CALC Director Stock Option (Right to Buy) Common Stock (937) $3.26 Oct. 12, 2035 937 Acquired
June 24, 2025 CALC Director Stock Option (Right to Buy) Common Stock (10,000) $1.53 April 22, 2035 10,000 Acquired
June 24, 2025 CALC Director Stock Option (Right to Buy) Common Stock (4,166) $1.53 April 22, 2035 4,166 Acquired
June 24, 2025 CALC Director Stock Option (Right to Buy) Common Stock (15,000) $1.53 April 22, 2035 15,000 Acquired
June 24, 2025 CALC Director Stock Option (Right to Buy) Common Stock (10,000) $1.65 June 23, 2035 10,000 Acquired
Jan. 15, 2025 CALC Director Stock Option (Right to Buy) Common Stock (20,000) $3.02 Jan. 14, 2035 20,000 Acquired

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