Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 11 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
Dec. 19, 2018 NEPH A 46,457 · · 46,457 Direct · Acquired (price as of 2026-10-02)
Dec. 14, 2018 NEPH A 47,673 · · 204,118 Direct +30.47% Acquired (price as of 2026-10-02)
Dec. 14, 2018 NEPH A 73,343 · · 229,788 Direct +46.88% Acquired (price as of 2026-10-02)
Dec. 20, 2017 NEPH A 40,284 · · 40,284 Direct · Acquired (price as of 2026-10-02)
Dec. 20, 2017 NEPH A 73,864 · · 156,445 Direct +89.44% Acquired (price as of 2026-10-02)
Dec. 20, 2017 NEPH A 40,284 · · 40,284 Direct · Acquired (price as of 2026-10-02)
Dec. 20, 2017 NEPH A 73,864 · · 156,445 Direct +89.44% Acquired (price as of 2026-10-02)
Aug. 24, 2016 NEPH A 33,880 · · 33,880 Direct · Acquired (price as of 2026-10-02)
Aug. 24, 2016 NEPH A 73,864 · · 82,581 Direct +847.36% Acquired (price as of 2026-10-02)
Sept. 9, 2015 NEPH A 8,717 · · 8,717 Direct · Acquired (price as of 2026-10-02)
Aug. 14, 2015 NEPH A 59,155 · · 59,155 Direct · Acquired (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
Dec. 19, 2018 NEPH Stock Option (Right to Buy) Common Stock (46,457) $0.65 Dec. 19, 2028 46,457 Acquired
Dec. 20, 2017 NEPH Stock Option (Right to Buy) Common Stock (40,284) $0.50 Dec. 20, 2027 40,284 Acquired
Dec. 20, 2017 NEPH Stock Option (Right to Buy) Common Stock (40,284) $0.50 Dec. 20, 2027 40,284 Acquired
Aug. 24, 2016 NEPH Stock Option (Right to Buy) Common Stock (33,880) $0.40 Aug. 24, 2026 33,880 Acquired
Aug. 14, 2015 NEPH Stock Option (Right to Buy) Common Stock (59,155) $0.45 Aug. 14, 2025 59,155 Acquired

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