Lutz Lingnau

CIK 1354179 · View on SEC EDGAR ↗

Insider

First SEC filing: Sept. 11, 2007 · Latest: Sept. 11, 2007

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 53 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

53 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 27, 2019 NKTR S 10b5-1 3,000 $17.84 $53,520 26,700 Direct -10.10% Disposed -71.9% (price as of 2026-08-21)
July 8, 2019 NKTR S 10b5-1 10,000 $34.63 $346,300 23,200 Direct -30.12% Disposed -85.5% (price as of 2026-08-21)
Sept. 20, 2018 NKTR S 10b5-1 9,000 $56.98 $512,820 18,450 Direct -32.79% Disposed -91.2% (price as of 2026-08-21)
April 5, 2018 NKTR S 10b5-1 30,000 $101.74 $3,052,200 27,450 Direct -52.22% Disposed -95.1% (price as of 2026-08-21)
Sept. 22, 2017 NKTR S 10b5-1 5,000 $21.97 $109,850 27,450 Direct -15.41% Disposed -77.2% (price as of 2026-08-21)
July 14, 2017 NKTR S 10b5-1 30,000 $20.76 $622,800 23,450 Direct -56.13% Disposed -75.9% (price as of 2026-08-21)
April 7, 2017 NKTR S 10b5-1 7,000 $20.05 $140,350 23,450 Direct -22.99% Disposed -75.0% (price as of 2026-08-21)
Feb. 21, 2017 NKTR S 10b5-1 30,000 $13.08 $392,400 30,450 Direct -49.63% Disposed -61.7% (price as of 2026-08-21)
Sept. 15, 2016 NKTR S 10b5-1 9,000 $19.06 $171,540 7,450 Direct -54.71% Disposed -73.7% (price as of 2026-08-21)
April 25, 2016 NKTR S 10b5-1 15,000 $16.27 $244,050 16,450 Direct -47.69% Disposed -69.2% (price as of 2026-08-21)
Jan. 20, 2016 NKTR S 10b5-1 15,000 $14.51 $217,650 16,450 Direct -47.69% Disposed -65.5% (price as of 2026-08-21)
Oct. 28, 2015 NKTR S 10b5-1 12,500 $12.00 $150,000 16,450 Direct -43.18% Disposed -58.3% (price as of 2026-08-21)
June 15, 2015 NKTR S 10b5-1 25,000 $11.15 $278,750 16,450 Direct -60.31% Disposed -55.1% (price as of 2026-08-21)
Nov. 24, 2014 NKTR S 10b5-1 15,000 $15.02 $225,300 16,450 Direct -47.69% Disposed -66.7% (price as of 2026-08-21)

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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Sept. 22, 2020 NKTR Stock Option Common Stock (18,200) $19.90 Sept. 21, 2028 18,200 Acquired
Sept. 22, 2020 NKTR Stock Option Common Stock (18,200) $18.91 Sept. 21, 2028 18,200 Acquired
Sept. 25, 2019 NKTR Stock Option Common Stock (13,000) $18.80 Sept. 24, 2027 13,000 Acquired
July 8, 2019 NKTR Stock Option [F1] Common Stock (10,000) $9.24 Sept. 13, 2020 10,000 Disposed
Sept. 27, 2018 NKTR Stock Option Common Stock (9,500) $60.91 Sept. 26, 2026 9,500 Acquired
April 5, 2018 NKTR Stock Option [F1] Common Stock (30,000) $9.24 Sept. 13, 2020 30,000 Disposed
Sept. 19, 2017 NKTR Stock Option common stock (22,500) $21.75 Sept. 18, 2025 22,500 Acquired
July 14, 2017 NKTR Stock Option [F1] Common Stock (30,000) $14.26 Sept. 13, 2018 30,000 Disposed
Feb. 21, 2017 NKTR Stock Option [F1] Common Stock (30,000) $5.14 Sept. 12, 2019 30,000 Disposed
Sept. 21, 2016 NKTR Stock Option Common Stock (20,000) $19.15 Sept. 20, 2024 20,000 Acquired
Sept. 15, 2016 NKTR Restricted Stock Unit Common Stock (15,000) — — 15,000 Disposed
April 25, 2016 NKTR Stock Option [F1] Common Stock (15,000) $8.37 Sept. 14, 2017 15,000 Disposed
Jan. 20, 2016 NKTR Stock Option [F1] Common Stock (15,000) $5.15 Dec. 1, 2016 15,000 Disposed
Oct. 28, 2015 NKTR Stock Option [F1] Common Stock (12,500) $6.65 March 19, 2016 12,500 Disposed
Sept. 15, 2015 NKTR Restricted Stock Unit Common Stock (15,000) — Sept. 14, 2023 15,000 Acquired
Sept. 15, 2015 NKTR Stock Option Common Stock (12,500) $12.80 Sept. 14, 2023 12,500 Acquired
June 15, 2015 NKTR Stock Option [F1] Common Stock (25,000) $6.65 March 19, 2016 25,000 Disposed
Nov. 24, 2014 NKTR Stock Option [F1] Common Stock (15,000) $8.81 Sept. 18, 2015 15,000 Disposed
Sept. 23, 2014 NKTR Stock Option Common Stock (45,000) $12.70 Sept. 22, 2022 45,000 Acquired
Sept. 19, 2013 NKTR Stock Option Common Stock (40,000) $13.80 Sept. 18, 2021 40,000 Acquired
Sept. 14, 2012 NKTR Stock Option Common Stock (40,000) $9.24 Sept. 13, 2020 40,000 Acquired
Sept. 13, 2011 NKTR Stock Option [F1] Common Stock (30,000) $5.14 Sept. 12, 2019 30,000 Acquired
March 7, 2011 NKTR Restricted Stock Unit Common Stock (10,000) — March 7, 2011 10,000 Disposed
Sept. 14, 2010 NKTR Stock Option [F1] Common Stock (30,000) $14.26 Sept. 14, 2018 30,000 Acquired
Sept. 14, 2010 NKTR Stock Option [F1] Common Stock (30,000) $14.05 Sept. 14, 2018 30,000 Acquired
Sept. 15, 2009 NKTR Restricted Stock Unit Common Stock (5,000) $0.01 — 5,000 Acquired
Sept. 15, 2009 NKTR Stock Option [F1] Common Stock (15,000) $8.37 Sept. 15, 2017 15,000 Acquired
Dec. 2, 2008 NKTR Restricted Stock Unit [F1] Common Stock (5,000) $0.01 — 5,000 Acquired
Dec. 2, 2008 NKTR Stock Option [F1] Common Stock (15,000) $5.15 Dec. 2, 2016 15,000 Acquired
Nov. 14, 2008 NKTR Restricted Stock Unit Common Stock (5,000) — Nov. 14, 2008 5,000 Disposed
March 20, 2008 NKTR Stock Option [F1] Common Stock (37,500) $6.65 March 20, 2016 37,500 Acquired
Sept. 19, 2007 NKTR Restricted Stock Units Common Stock (5,000) $0.01 — 5,000 Acquired
Sept. 19, 2007 NKTR Stock Option (Right to Buy) [F1] Common Stock (15,000) $8.81 Sept. 19, 2015 15,000 Acquired
Sept. 19, 2007 NKTR Restricted Stock Units [F1] Common Stock (5,000) $0.01 — 5,000 Acquired
Sept. 19, 2007 NKTR Stock Option (Right to Buy) [F1] Common Stock (15,000) $8.81 Sept. 19, 2015 15,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
Sept. 11, 2007 NKTR Common Stock 1,450 Direct