Insider at

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Insider transactions

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0 buys (P) 1 sells (S) Net: $-1,183,152 + 27 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

27 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 13, 2025 CLDX S 49,298 $24.00 $1,183,152 20,833 Direct -70.29% Disposed 31.9% (price as of 2026-10-02)
June 3, 2024 CLDX S 27,580 $33.53 $924,757 40,097 Direct -40.75% Disposed -5.6% (price as of 2026-10-02)
June 3, 2024 CLDX S 19,264 $33.99 $654,783 20,833 Direct -48.04% Disposed -6.9% (price as of 2026-10-02)
Aug. 15, 2022 CLDX S 15,328 $37.71 $578,019 208 Direct -98.66% Disposed -16.1% (price as of 2026-10-02)
Dec. 14, 2020 CLDX S 9,375 $18.61 $174,469 208 Direct -97.83% Disposed 70.1% (price as of 2026-10-02)
Dec. 14, 2020 CLDX S 11,457 $18.61 $213,215 208 Direct -98.22% Disposed 70.1% (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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Nov. 13, 2025 CLDX Incentive Stock Option Common Stock (6,876) $9.02 June 13, 2028 6,876 Disposed
Nov. 13, 2025 CLDX Incentive Stock Option Common Stock (26,672) $10.38 June 18, 2030 26,672 Disposed
Nov. 13, 2025 CLDX Incentive Stock Option Common Stock (15,750) $22.48 June 16, 2032 15,750 Disposed
June 13, 2024 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (65,000) $36.43 June 13, 2034 65,000 Acquired
June 3, 2024 CLDX Incentive Stock Option (right to buy) Common Stock (20,625) $2.78 June 19, 2029 20,625 Disposed
June 3, 2024 CLDX Incentive Stock Option (right to buy) Common Stock (28,469) $28.00 June 17, 2031 28,469 Disposed
June 3, 2024 CLDX Incentive Stock Option (right to buy) Common Stock (18,375) $22.48 June 16, 2032 18,375 Disposed
June 15, 2023 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (45,000) $36.87 June 15, 2033 45,000 Acquired
Aug. 15, 2022 CLDX Incentive Stock Option Common Stock (15,328) $10.38 June 18, 2030 15,328 Disposed
June 16, 2022 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (42,000) $22.48 June 16, 2032 42,000 Acquired
June 17, 2021 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (42,000) $28.00 June 17, 2031 42,000 Acquired
Dec. 14, 2020 CLDX Incentive Stock Option Common Stock (9,375) $2.78 June 19, 2029 9,375 Disposed
Dec. 14, 2020 CLDX Incentive Stock Option Common Stock (11,457) · June 13, 2028 11,457 Disposed
June 18, 2020 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (42,000) $10.38 June 18, 2030 42,000 Acquired
June 19, 2019 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (30,000) $2.78 June 19, 2029 30,000 Acquired
June 13, 2018 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (275,000) $0.60 June 13, 2028 275,000 Acquired
June 15, 2017 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (75,000) $2.32 June 15, 2027 75,000 Acquired
June 8, 2016 CLDX Incentive Stock Option Common Stock (75,000) $4.72 June 8, 2026 75,000 Acquired

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

Initial ownership (Form 3) 5 holdings

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

DateTickerSecuritySharesOwnership
July 1, 2015 CLDX Common stock, par value $0.001 per share 3,125 Direct
July 1, 2015 CLDX Employee Stock Option (right to buy)→ Common Stock (12,500) 12,500 Direct
July 1, 2015 CLDX Employee Stock Option (right to buy)→ Common Stock (20,000) 20,000 Direct
July 1, 2015 CLDX Employee Stock Option (right to buy)→ Common Stock (25,000) 25,000 Direct
July 1, 2015 CLDX Employee Stock Option (right to buy)→ Common Stock (75,000) 75,000 Direct