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
Jan. 10, 2026 ELDN M 3,430 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Jan. 10, 2026 ELDN M 3,430 · · 3,430 Direct · Acquired (price as of 2026-10-05)
Jan. 10, 2025 ELDN A 3,430 · · 3,430 Direct · Acquired (price as of 2026-10-05)
Jan. 10, 2025 ELDN A 30,870 · · 30,870 Direct · Acquired (price as of 2026-10-05)
May 1, 2023 ELDN A 150,437 · · 150,437 Direct · Acquired (price as of 2026-10-05)
Feb. 1, 2023 ELDN A 20,000 · · 20,000 Direct · Acquired (price as of 2026-10-05)
Feb. 1, 2022 ELDN A 20,000 · · 20,000 Direct · Acquired (price as of 2026-10-05)

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
Jan. 10, 2026 ELDN Restricted Stock Units Common Stock (3,430) · · 3,430 Disposed
Jan. 10, 2025 ELDN Restricted Stock Units Common Stock (3,430) · · 3,430 Acquired
Jan. 10, 2025 ELDN Stock Option (right to buy) Common Stock (30,870) $4.04 Jan. 10, 2035 30,870 Acquired
May 1, 2023 ELDN Stock Option (right to buy) Common Stock (150,437) $2.30 May 1, 2033 150,437 Acquired
Feb. 1, 2023 ELDN Stock Option (right to buy) Common Stock (20,000) $3.08 Feb. 1, 2033 20,000 Acquired
Feb. 1, 2022 ELDN Stock Option (right to buy) Common Stock (20,000) $3.97 Feb. 1, 2032 20,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
July 9, 2021 ELDN Stock Option (Right to Buy)→ Common Stock (40,000) 40,000 Direct