Insider at

04

Insider transactions

05
0 buys (P) 1 sells (S) Net: $-121,231 + 14 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

14 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 4, 2025 CLDX S 4,166 $29.10 $121,231 30,796 Direct -11.92% Disposed 6.5% (price as of 2026-10-06)
Aug. 13, 2025 CLDX S 341 $23.95 $8,167 35,392 Direct -0.95% Disposed 29.5% (price as of 2026-10-06)
Aug. 13, 2025 CLDX S 430 $25.42 $10,931 34,962 Direct -1.21% Disposed 22.0% (price as of 2026-10-06)
June 3, 2024 CLDX S 8,006 $33.60 $269,002 25,924 Direct -23.60% Disposed -7.7% (price as of 2026-10-06)
Aug. 11, 2021 CLDX P 430 $46.28 $19,900 430 Direct · Acquired -33.0% (price as of 2026-10-06)

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
June 25, 2026 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (93,000) $34.09 June 25, 2036 93,000 Acquired
June 5, 2025 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (75,000) $19.53 June 5, 2035 75,000 Acquired
June 13, 2024 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (75,000) $36.43 June 13, 2034 75,000 Acquired
June 5, 2024 CLDX Incentive Stock Option (Right to Buy) Common Stock (9,540) $10.38 June 18, 2030 9,540 Disposed
June 3, 2024 CLDX Incentive Stock Option (Right to Buy) Common Stock (8,006) $10.38 June 18, 2030 8,006 Disposed
Feb. 13, 2024 CLDX Incentive Stock Option (Right to Buy) Common Stock · June 13, 2028 4,166 Disposed
Feb. 13, 2024 CLDX Incentive Stock Option (Right to Buy) Common Stock (20,000) $2.78 June 19, 2029 20,000 Disposed
June 15, 2023 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (74,000) $36.87 June 15, 2033 74,000 Acquired
June 16, 2022 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (73,000) $22.48 June 16, 2032 73,000 Acquired
June 17, 2021 CLDX Incentive Stock Option (right to buy) [F1] Common Stock (73,000) $28.00 June 17, 2031 73,000 Acquired

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

Initial ownership (Form 3) 7 holdings

07

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

DateTickerSecuritySharesOwnership
Jan. 4, 2021 CLDX Employee Stock Option (right to buy)→ Common Stock (1,400) 1,400 Direct
Jan. 4, 2021 CLDX Employee Stock Option (right to buy)→ Common Stock (733) 733 Direct
Jan. 4, 2021 CLDX Employee Stock Option (right to buy)→ Common Stock (266) 266 Direct
Jan. 4, 2021 CLDX Employee Stock Option (right to buy)→ Common Stock (1,666) 1,666 Direct
Jan. 4, 2021 CLDX Employee Stock Option (right to buy)→ Common Stock (4,166) 4,166 Direct
Jan. 4, 2021 CLDX Employee Stock Option (right to buy)→ Common Stock (20,000) 20,000 Direct
Jan. 4, 2021 CLDX Employee Stock Option (right to buy)→ Common Stock (36,000) 36,000 Direct