Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 11, 2019 NEPH P 250 $6.45 $1,612 250 Direct · Acquired -42.9% (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. 1, 2025 NEPH Stock Option (right to buy) Common Stock (7,050) $1.47 Jan. 1, 2035 7,050 Acquired
May 14, 2024 NEPH Stock Option (right to buy) Common Stock (7,323) $2.14 May 14, 2034 7,323 Acquired
Jan. 5, 2023 NEPH Stock Option (right to buy) Common Stock (7,080) $1.07 Jan. 5, 2033 7,080 Acquired
Dec. 14, 2021 NEPH Stock Option (right to buy) Common Stock (7,062) $6.82 Dec. 14, 2031 7,062 Acquired
Jan. 6, 2021 NEPH Stock Option (right to buy) Common Stock (6,850) $8.06 Jan. 6, 2031 6,850 Acquired
Dec. 16, 2019 NEPH Stock Option (right to buy) Common Stock (5,568) $8.57 Dec. 16, 2029 5,568 Acquired
Feb. 8, 2019 NEPH Stock Option (right to buy) Common Stock (86,546) $0.58 Feb. 8, 2029 86,546 Acquired
Feb. 8, 2019 NEPH Stock Option (right to buy) Common Stock (70,817) $0.58 Feb. 8, 2029 70,817 Acquired

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

Initial ownership (Form 3) 2 holdings

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

DateTickerSecuritySharesOwnership
March 18, 2026 CLGN Restricted Share Units · Direct
March 18, 2026 CLGN Options to Purchase Ordinary Shares [F2]→ Ordinary Shares · Direct