Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 33 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

33 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 18, 2025 CALC P 2,500 $3.07 $7,675 84,150 Indirect +3.06% Acquired -89.6% (price as of 2026-10-02)
Sept. 15, 2025 CALC P 3,400 $2.68 $9,112 81,650 Indirect +4.35% Acquired -88.1% (price as of 2026-10-02)
Sept. 12, 2025 CALC P 5,000 $3.12 $15,600 78,250 Indirect +6.83% Acquired -89.7% (price as of 2026-10-02)
Sept. 9, 2025 CALC P 2,343 $3.15 $7,380 73,250 Indirect +3.30% Acquired -89.8% (price as of 2026-10-02)
Aug. 29, 2025 CALC P 800 $2.74 $2,192 70,907 Indirect +1.14% Acquired -88.3% (price as of 2026-10-02)
Aug. 28, 2025 CALC P 9,200 $2.86 $26,312 70,107 Indirect +15.10% Acquired -88.8% (price as of 2026-10-02)
Aug. 21, 2025 CALC P 3,508 $2.79 $9,787 60,907 Indirect +6.11% Acquired -88.5% (price as of 2026-10-02)
Aug. 20, 2025 CALC P 2,000 $2.72 $5,440 57,399 Indirect +3.61% Acquired -88.2% (price as of 2026-10-02)
Aug. 19, 2025 CALC P 1,000 $2.79 $2,790 55,399 Indirect +1.84% Acquired -88.5% (price as of 2026-10-02)
Aug. 15, 2025 CALC P 5,076 $2.90 $14,720 54,399 Indirect +10.29% Acquired -89.0% (price as of 2026-10-02)
July 22, 2025 CALC P 1,500 $3.78 $5,670 49,323 Indirect +3.14% Acquired -91.5% (price as of 2026-10-02)
July 21, 2025 CALC P 1,500 $3.37 $5,055 47,823 Indirect +3.24% Acquired -90.5% (price as of 2026-10-02)
July 18, 2025 CALC P 2,000 $2.88 $5,760 46,323 Indirect +4.51% Acquired -88.9% (price as of 2026-10-02)
July 14, 2025 CALC P 6,500 $2.43 $15,795 44,323 Indirect +17.19% Acquired -86.8% (price as of 2026-10-02)
July 9, 2025 CALC P 5,000 $1.60 $8,000 37,823 Indirect +15.23% Acquired -80.0% (price as of 2026-10-02)
June 26, 2025 CALC P 4,500 $1.44 $6,480 32,823 Indirect +15.89% Acquired -77.8% (price as of 2026-10-02)
June 11, 2025 CALC P 5,000 $1.85 $9,250 28,323 Indirect +21.44% Acquired -82.7% (price as of 2026-10-02)
June 6, 2025 CALC P 5,000 $1.78 $8,900 23,323 Indirect +27.29% Acquired -82.0% (price as of 2026-10-02)
June 5, 2025 CALC P 5,100 $1.70 $8,670 18,323 Indirect +38.57% Acquired -81.2% (price as of 2026-10-02)
Nov. 1, 2024 CALC P 53,333 $3.75 $199,999 164,706 Direct +47.89% Acquired -91.5% (price as of 2026-10-02)
Aug. 23, 2024 CALC P 2,000 $3.58 $7,160 46,894 Indirect +4.45% Acquired -91.1% (price as of 2026-10-02)
Aug. 23, 2024 CALC P 3,000 $3.57 $10,710 13,223 Indirect +29.35% Acquired -91.0% (price as of 2026-10-02)
Aug. 21, 2024 CALC P 5,000 $4.04 $20,200 44,894 Indirect +12.53% Acquired -92.1% (price as of 2026-10-02)
June 27, 2024 CALC P 5,000 $3.22 $16,100 10,223 Indirect +95.73% Acquired -90.1% (price as of 2026-10-02)
April 2, 2024 CALC P 3,254 $3.90 $12,691 39,894 Indirect +8.88% Acquired -91.8% (price as of 2026-10-02)
April 1, 2024 CALC P 746 $3.90 $2,909 36,640 Indirect +2.08% Acquired -91.8% (price as of 2026-10-02)
Nov. 6, 2023 CALC P 2,400 $3.12 $7,488 35,894 Indirect +7.17% Acquired -89.7% (price as of 2026-10-02)
Nov. 3, 2023 CALC P 11,249 $2.83 $31,835 33,494 Indirect +50.57% Acquired -88.7% (price as of 2026-10-02)
Nov. 3, 2023 CALC P 3,700 $2.77 $10,249 20,287 Direct +22.31% Acquired -88.4% (price as of 2026-10-02)
Nov. 3, 2023 CALC P 5,860 $2.70 $15,822 22,245 Indirect +35.76% Acquired -88.1% (price as of 2026-10-02)
Nov. 3, 2023 CALC P 3,200 $2.80 $8,960 16,587 Direct +23.90% Acquired -88.6% (price as of 2026-10-02)
Aug. 29, 2023 CALC P 223 $3.02 $673 5,223 Indirect +4.46% Acquired -89.4% (price as of 2026-10-02)
Aug. 25, 2023 CALC P 736 $3.18 $2,340 5,000 Indirect +17.26% Acquired -89.9% (price as of 2026-10-02)
Aug. 22, 2023 CALC P 714 $3.27 $2,335 4,264 Indirect +20.11% Acquired -90.2% (price as of 2026-10-02)
Aug. 21, 2023 CALC P 1,750 $3.25 $5,688 3,550 Indirect +97.22% Acquired -90.2% (price as of 2026-10-02)
June 26, 2023 CALC P 1,200 $3.70 $4,440 13,387 Direct +9.85% Acquired -91.4% (price as of 2026-10-02)
June 26, 2023 CALC P 200 $3.53 $706 16,385 Indirect +1.24% Acquired -90.9% (price as of 2026-10-02)
June 23, 2023 CALC P 500 $3.35 $1,675 16,185 Indirect +3.19% Acquired -90.4% (price as of 2026-10-02)
June 21, 2023 CALC P 2,000 $4.12 $8,240 15,685 Indirect +14.61% Acquired -92.2% (price as of 2026-10-02)
June 20, 2023 CALC P 500 $4.85 $2,425 13,685 Indirect +3.79% Acquired -93.4% (price as of 2026-10-02)
June 8, 2023 CALC P 485 $5.20 $2,522 13,185 Indirect +3.82% Acquired -93.8% (price as of 2026-10-02)
June 7, 2023 CALC P 1,500 $5.23 $7,845 12,700 Indirect +13.39% Acquired -93.9% (price as of 2026-10-02)
June 6, 2023 CALC P 3,200 $5.09 $16,288 11,200 Indirect +40.00% Acquired -93.7% (price as of 2026-10-02)
June 2, 2023 CALC P 1,687 $4.90 $8,266 12,187 Direct +16.07% Acquired -93.5% (price as of 2026-10-02)
June 1, 2023 CALC P 2,000 $4.42 $8,840 10,500 Direct +23.53% Acquired -92.8% (price as of 2026-10-02)
May 30, 2023 CALC P 2,000 $3.86 $7,720 8,000 Indirect +33.33% Acquired -91.7% (price as of 2026-10-02)
May 23, 2023 CALC P 2,000 $3.26 $6,520 8,500 Direct +30.77% Acquired -90.2% (price as of 2026-10-02)
May 22, 2023 CALC P 6,000 $2.95 $17,700 6,000 Indirect · Acquired -89.2% (price as of 2026-10-02)
May 17, 2023 CALC P 3,000 $2.68 $8,040 3,000 Indirect · Acquired -88.1% (price as of 2026-10-02)
May 17, 2023 CALC P 3,000 $2.68 $8,040 6,500 Direct +85.71% Acquired -88.1% (price as of 2026-10-02)
May 16, 2023 CALC P 1,800 $2.72 $4,896 1,800 Indirect · Acquired -88.2% (price as of 2026-10-02)
May 16, 2023 CALC P 3,500 $2.71 $9,485 3,500 Direct · Acquired -88.2% (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 Warrant Common Stock (186,729) $0.80 Dec. 25, 2027 186,729 Acquired
Aug. 19, 2026 CALC Warrant Common Stock (186,729) $1.00 June 25, 2031 186,729 Acquired
Aug. 20, 2025 CALC Employee Stock Option (Right to Buy) Common Stock (15,000) $1.53 April 22, 2035 15,000 Disposed
June 24, 2025 CALC Employee Stock Option (Right to Buy) Common Stock (72,750) $1.53 April 22, 2035 72,750 Acquired
April 23, 2025 CALC Employee Stock Option (Right to Buy) Common Stock (160,000) $1.53 April 22, 2035 160,000 Acquired
April 5, 2025 CALC Employee Stock Option (Right to Buy) Common Stock (83,358) $0.58 April 4, 2036 83,358 Acquired
Aug. 27, 2024 CALC Employee Stock Option (Right to Buy) Common Stock (77,500) $4.16 Aug. 26, 2034 77,500 Acquired
March 28, 2024 CALC Employee Stock Option (Right to Buy) Common Stock (77,500) $4.16 March 27, 2034 77,500 Acquired
Feb. 5, 2024 CALC Warrant Common Stock (45,543) $5.36 Dec. 31, 2024 45,543 Acquired
Feb. 5, 2024 CALC Warrant Common Stock (45,543) $7.15 Dec. 31, 2026 45,543 Acquired
May 8, 2023 CALC Employee Stock Option (Right to Buy) Common Stock (60,709) $3.25 May 7, 2033 60,709 Acquired
March 20, 2023 CALC Warrant Common Stock (9,935) $27.94 June 25, 2026 9,935 Acquired
March 20, 2023 CALC Warrant Common Stock (9,935) $27.94 Feb. 22, 2026 9,935 Acquired
March 20, 2023 CALC Warrant Common Stock (2,793) $10.42 April 27, 2031 2,793 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (1,804) $17.34 March 19, 2023 1,804 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (20,060) $17.34 March 19, 2033 20,060 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (5,284) $17.34 March 19, 2033 5,284 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (1,263) $10.42 Aug. 30, 2032 1,263 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (1,677) $10.42 Aug. 30, 2032 1,677 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (2,935) $10.42 Aug. 30, 2032 2,935 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (11,778) $7.99 June 30, 2031 11,778 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (6,982) $7.99 June 30, 2031 6,982 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (11,739) $7.99 April 27, 2031 11,739 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (6,982) $7.99 April 27, 2031 6,982 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (36,041) $6.60 June 29, 2030 36,041 Acquired
March 20, 2023 CALC Employee Stock Option (right to buy) Common Stock (22,851) $6.60 Jan. 23, 2030 22,851 Acquired

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

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $400,525 · · · · · $3,311 $703,558
2024 $385,650 · · · · · $4,950 ·
2023 $281,963 $300,000 · · $85,662 · $11,385 $815,759

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.