Robert Chess

CIK 1227886 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 30, 2018 · Latest: Jan. 17, 2025

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Insider transactions

0 buys (P) 3 sells (S) Net: $-2,617,661 + 57 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

57 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 7, 2026 TWST S 10b5-1 18,417 $110.89 $2,042,261 21,084 Direct -46.62% Disposed 21.0% (price as of 2026-08-19)
March 17, 2026 TWST S 10b5-1 10,000 $47.00 $470,000 21,084 Direct -32.17% Disposed 185.5% (price as of 2026-08-19)
Feb. 13, 2026 TWST S 2,184 $48.26 $105,400 21,084 Direct -9.39% Disposed 178.0% (price as of 2026-08-19)
Feb. 7, 2025 TWST S 2,940 $53.14 $156,232 18,173 Direct -13.93% Disposed 152.5% (price as of 2026-08-19)
Jan. 7, 2025 TWST S 10b5-1 5,000 $50.00 $250,000 16,641 Direct -23.10% Disposed 168.4% (price as of 2026-08-19)
Dec. 5, 2024 TWST S 10b5-1 709 $52.45 $37,187 21,641 Direct -3.17% Disposed 155.8% (price as of 2026-08-19)
Dec. 5, 2024 TWST S 10b5-1 2,795 $51.70 $144,502 22,350 Direct -11.12% Disposed 159.5% (price as of 2026-08-19)
Nov. 11, 2024 TWST S 10b5-1 1,276 $47.76 $60,942 21,641 Direct -5.57% Disposed 180.9% (price as of 2026-08-19)
Nov. 11, 2024 TWST S 10b5-1 2,324 $46.99 $109,205 22,917 Direct -9.21% Disposed 185.5% (price as of 2026-08-19)
June 14, 2024 NKTR S 10b5-1 19,500 $1.20 $23,400 255,273 Direct -7.10% Disposed 321.8% (price as of 2026-08-19)
Feb. 8, 2024 TWST S 4,110 $34.98 $143,768 64,169 Direct -6.02% Disposed 283.6% (price as of 2026-08-19)
Sept. 22, 2022 NKTR S 10b5-1 10,200 $0.67 $6,834 274,773 Direct -3.58% Disposed 655.5% (price as of 2026-08-19)
Sept. 22, 2022 NKTR S 10b5-1 5,100 $3.19 $16,269 228,179 Direct -2.19% Disposed 58.7% (price as of 2026-08-19)
Feb. 4, 2022 TWST S 253 $58.88 $14,897 50,761 Direct -0.50% Disposed 127.9% (price as of 2026-08-19)
Nov. 1, 2021 TWST S 10b5-1 4,000 $120.15 $480,600 51,014 Direct -7.27% Disposed 11.7% (price as of 2026-08-19)
Oct. 21, 2021 TWST S 10b5-1 3,700 $120.15 $444,555 55,014 Direct -6.30% Disposed 11.7% (price as of 2026-08-19)
Oct. 19, 2021 TWST S 10b5-1 300 $120.00 $36,000 58,714 Direct -0.51% Disposed 11.8% (price as of 2026-08-19)
Sept. 22, 2021 NKTR S 10b5-1 4,600 $17.94 $82,524 279,873 Direct -1.62% Disposed -71.8% (price as of 2026-08-19)
Sept. 10, 2021 TWST S 10b5-1 4,000 $120.23 $480,920 59,014 Direct -6.35% Disposed 11.6% (price as of 2026-08-19)
Sept. 9, 2021 NKTR S 10b5-1 10,279 $16.02 $164,670 274,273 Direct -3.61% Disposed -68.4% (price as of 2026-08-19)
Sept. 8, 2021 NKTR S 10b5-1 8,000 $16.00 $128,000 274,273 Direct -2.83% Disposed -68.4% (price as of 2026-08-19)
July 22, 2021 NKTR S 10b5-1 91 $16.80 $1,529 280,573 Direct -0.03% Disposed -69.9% (price as of 2026-08-19)
July 21, 2021 NKTR S 10b5-1 3,524 $16.81 $59,238 280,573 Direct -1.24% Disposed -69.9% (price as of 2026-08-19)
July 20, 2021 NKTR S 10b5-1 2,106 $16.80 $35,381 280,573 Direct -0.75% Disposed -69.9% (price as of 2026-08-19)
July 12, 2021 TWST S 10b5-1 240 $130.46 $31,310 63,014 Direct -0.38% Disposed 2.8% (price as of 2026-08-19)
July 12, 2021 TWST S 10b5-1 300 $128.38 $38,514 63,254 Direct -0.47% Disposed 4.5% (price as of 2026-08-19)
July 12, 2021 TWST S 10b5-1 200 $127.14 $25,428 63,554 Direct -0.31% Disposed 5.5% (price as of 2026-08-19)
July 12, 2021 TWST S 10b5-1 155 $126.00 $19,530 63,754 Direct -0.24% Disposed 6.5% (price as of 2026-08-19)
July 12, 2021 TWST S 10b5-1 2,495 $125.45 $312,998 63,909 Direct -3.76% Disposed 7.0% (price as of 2026-08-19)
July 12, 2021 TWST S 10b5-1 610 $124.37 $75,866 66,404 Direct -0.91% Disposed 7.9% (price as of 2026-08-19)
June 23, 2021 TWST S 10b5-1 4,000 $120.10 $480,400 67,014 Direct -5.63% Disposed 11.7% (price as of 2026-08-19)
May 12, 2021 NKTR S 10b5-1 8,000 $19.34 $154,720 280,573 Direct -2.77% Disposed -73.8% (price as of 2026-08-19)
April 14, 2021 NKTR S 10b5-1 8,000 $18.98 $151,840 280,573 Direct -2.77% Disposed -73.3% (price as of 2026-08-19)
Feb. 5, 2021 TWST S 10b5-1 706 $159.54 $112,635 71,014 Direct -0.98% Disposed -15.9% (price as of 2026-08-19)
Sept. 25, 2020 NKTR S 10b5-1 5,500 $17.75 $97,625 280,573 Direct -1.92% Disposed -71.5% (price as of 2026-08-19)
Sept. 8, 2020 NKTR S 10b5-1 8,000 $18.53 $148,240 276,973 Direct -2.81% Disposed -72.7% (price as of 2026-08-19)
July 8, 2020 NKTR S 10b5-1 8,000 $24.58 $196,640 276,973 Direct -2.81% Disposed -79.4% (price as of 2026-08-19)
April 15, 2020 NKTR S 10b5-1 197 $19.02 $3,747 276,973 Direct -0.07% Disposed -73.4% (price as of 2026-08-19)
April 15, 2020 NKTR S 10b5-1 7,803 $18.36 $143,263 277,170 Direct -2.74% Disposed -72.4% (price as of 2026-08-19)
March 11, 2020 NKTR S 10b5-1 1,200 $17.41 $20,892 276,973 Direct -0.43% Disposed -70.9% (price as of 2026-08-19)
March 11, 2020 NKTR S 10b5-1 6,800 $16.68 $113,424 278,173 Direct -2.39% Disposed -69.7% (price as of 2026-08-19)
Feb. 12, 2020 NKTR S 10b5-1 3,599 $23.72 $85,368 276,973 Direct -1.28% Disposed -78.7% (price as of 2026-08-19)
Feb. 12, 2020 NKTR S 10b5-1 4,401 $23.32 $102,631 280,572 Direct -1.54% Disposed -78.3% (price as of 2026-08-19)

Showing latest 100 of 260 transactions

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
Aug. 7, 2026 TWST Stock Option (right to buy) Common Stock (18,417) $11.89 Sept. 13, 2028 18,417 Disposed
March 17, 2026 TWST Stock Option (right to buy) Common Stock (10,000) $11.89 Sept. 13, 2028 10,000 Disposed
Sept. 30, 2025 NKTR Stock Option Common Stock (8,000) $56.90 Sept. 29, 2033 8,000 Acquired
Dec. 5, 2024 TWST Stock Option (right to buy) Common Stock (3,504) $8.82 Sept. 28, 2027 3,504 Disposed
Nov. 11, 2024 TWST Stock Option (right to buy) Common Stock (3,600) $8.82 Sept. 28, 2027 3,600 Disposed
Sept. 19, 2023 NKTR Stock Option Common Stock (85,000) $0.68 Sept. 18, 2031 85,000 Acquired
Sept. 16, 2022 NKTR Stock Option Common Stock (20,400) $3.47 Sept. 15, 2030 20,400 Acquired
Sept. 22, 2021 NKTR Stock Option Common Stock (20,400) $17.78 Sept. 21, 2029 20,400 Acquired
Sept. 9, 2021 NKTR Common Stock [F1] Common Stock (10,279) $13.80 Sept. 18, 2021 10,279 Disposed
Sept. 8, 2021 NKTR Common Stock [F1] Common Stock (8,000) $13.80 Sept. 18, 2021 8,000 Disposed
July 22, 2021 NKTR Stock Option [F1] Common Stock (91) $13.80 Sept. 18, 2021 91 Disposed
July 21, 2021 NKTR Stock Option [F1] Common Stock (3,524) $13.80 Sept. 18, 2021 3,524 Disposed
July 20, 2021 NKTR Stock Option [F1] Common Stock (2,106) $13.80 Sept. 18, 2021 2,106 Disposed
May 12, 2021 NKTR Stock Option [F1] Common Stock (8,000) $13.80 Sept. 18, 2021 8,000 Disposed
April 14, 2021 NKTR Stock Option [F1] Common Stock (8,000) $13.80 Sept. 18, 2021 8,000 Disposed
Feb. 3, 2021 TWST Director Stock Option (right to buy) Common Stock (973) $189.96 Feb. 2, 2031 973 Acquired
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. 8, 2020 NKTR Stock Option [F1] Common Stock (8,000) $9.24 Sept. 13, 2020 8,000 Disposed
July 8, 2020 NKTR Stock Option [F1] Common Stock (8,000) $9.24 Sept. 13, 2020 8,000 Disposed
April 15, 2020 NKTR Stock Option [F1] Common Stock (8,000) $9.24 Sept. 13, 2020 8,000 Disposed
March 11, 2020 NKTR Stock Option [F1] Common Stock (8,000) $9.24 Sept. 13, 2020 8,000 Disposed
Feb. 12, 2020 NKTR Stock Option [F1] Common Stock (8,000) $9.24 Sept. 13, 2020 8,000 Disposed
Feb. 4, 2020 TWST Director Stock Option (right to buy) Common Stock $26.20 Feb. 3, 2030 11,297 Acquired
Feb. 4, 2020 TWST Director Stock Option (right to buy) Common Stock (5,648) $26.20 Feb. 3, 2030 5,648 Acquired
Sept. 25, 2019 NKTR Stock Option Common Stock (13,000) $18.80 Sept. 24, 2027 13,000 Acquired
July 23, 2019 TWST Director Stock Option (right to buy) Common Stock $30.41 July 22, 2029 10,588 Acquired
July 23, 2019 TWST Director Stock Option (right to buy) Common Stock (5,590) $30.41 July 22, 2029 5,590 Acquired
Sept. 27, 2018 NKTR Stock Option Common Stock (9,500) $60.91 Sept. 26, 2026 9,500 Acquired
June 5, 2018 NKTR Stock Option [F1] Common Stock (10,000) $14.26 Sept. 14, 2018 10,000 Disposed
May 3, 2018 NKTR Stock Option [F1] Common Stock (15,000) $5.14 Sept. 12, 2019 15,000 Disposed
May 3, 2018 NKTR Stock Option [F1] Common Stock (10,000) $14.26 Sept. 14, 2018 10,000 Disposed
April 6, 2018 NKTR Stock Option [F1] Common Stock (15,000) $5.14 Sept. 12, 2019 15,000 Disposed
April 6, 2018 NKTR Stock Option [F1] Common Stock (10,000) $14.26 Sept. 14, 2018 10,000 Disposed
Sept. 19, 2017 NKTR Stock Option common stock (22,500) $21.75 Sept. 18, 2025 22,500 Acquired
May 15, 2017 NKTR Stock Option [F1] Common Stock (5,000) $8.37 Sept. 14, 2017 5,000 Disposed
April 17, 2017 NKTR Stock Option [F1] Common Stock (5,000) $8.37 Sept. 14, 2017 5,000 Disposed
March 14, 2017 NKTR Stock Option [F1] Common Stock (5,000) $8.37 Sept. 14, 2017 5,000 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
Aug. 1, 2016 NKTR Stock Option [F1] Common Stock (5,000) $5.15 Sept. 30, 2016 5,000 Disposed
July 1, 2016 NKTR Stock Option [F1] Common Stock (5,000) $5.15 Sept. 30, 2016 5,000 Disposed
June 1, 2016 NKTR Stock Option [F1] Common Stock (5,000) $5.15 Sept. 30, 2016 5,000 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 19, 2015 NKTR Stock Option [F1] Common Stock (15,000) $8.81 Sept. 18, 2015 15,000 Disposed
Dec. 29, 2014 NKTR Stock Option [F1] Common Stock (29,500) $15.24 Jan. 2, 2015 29,500 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
July 13, 2012 NKTR Stock Option [F1] Common Stock (24,001) $6.12 Oct. 30, 2012 24,001 Disposed
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
May 10, 2010 NKTR Stock Option [F1] Common Stock (35,000) $6.12 Oct. 30, 2012 35,000 Disposed
Sept. 15, 2009 NKTR Restricted Stock Unit Common Stock (5,000) $0.01 — 50,000 Acquired
Sept. 15, 2009 NKTR Stock Option [F1] Common Stock (15,000) $8.37 Sept. 15, 2017 15,000 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, 2009 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 (9,167) — Nov. 14, 2008 9,167 Disposed
Sept. 19, 2007 NKTR Stock Option (Right to Buy) [F1] Common Stock (15,000) $8.81 Sept. 19, 2015 15,000 Acquired
Sept. 17, 2007 NKTR Restricted Stock Unit [F1] Common Stock (5,000) $0.01 — 5,000 Acquired
March 19, 2007 NKTR Restricted Stock Unit Common Stock (8,333) $0.01 — 8,333 Disposed
March 19, 2007 NKTR Restricted Stock Unit Common Stock (25,000) $0.01 — 25,000 Disposed
March 19, 2007 NKTR Restricted Stock Unit Common Stock (18,750) $0.01 — 18,750 Disposed
Jan. 3, 2007 NKTR Restricted Stock Unit Common Stock (4,167) $0.01 — 4,167 Acquired
Jan. 3, 2007 NKTR Restricted Stock Unit Common Stock (8,333) $0.01 — 8,333 Acquired
Jan. 3, 2007 NKTR Stock Option (Right to Buy) Common Stock (12,500) $15.24 Jan. 3, 2015 12,500 Acquired
Jan. 3, 2007 NKTR Stock Option (Right to Buy) Common Stock (17,000) $15.24 Jan. 3, 2015 17,000 Acquired
Jan. 3, 2007 NKTR Restricted Stock Unit Common Stock (8,334) $0.01 — 8,334 Disposed
June 30, 2006 NKTR Restricted Stock Unit Common Stock (25,000) $0.01 — 25,000 Acquired
June 30, 2006 NKTR Restricted Stock Unit Common Stock (25,000) $0.01 — 25,000 Acquired
June 30, 2006 NKTR Stock Option (RIght to Buy) Common Stock (50,000) $18.34 June 30, 2014 50,000 Acquired
March 3, 2006 NKTR Restricted Stock Unit Common Stock (5,555) $0.01 — 5,555 Disposed
Feb. 24, 2006 NKTR Restricted Stock Unit Common Stock (18,750) $0.01 — 18,750 Acquired
Feb. 24, 2006 NKTR Stock Option (Right to Buy) Common Stock (37,500) $21.38 Feb. 24, 2014 37,500 Acquired
Feb. 24, 2006 NKTR Restricted Stock Unit Common Stock (18,750) $0.01 — 18,750 Acquired
Feb. 24, 2006 NKTR Stock Option (Right to Buy) Common Stock (37,500) $21.50 Feb. 24, 2014 37,500 Acquired
March 14, 2005 NKTR Restricted Stock Unit Common Stock (2,777) $0.00 — 2,777 Disposed
Feb. 12, 2005 NKTR Stock Option (Right to Buy) Common Stock (25,000) $18.08 Feb. 12, 2015 25,000 Acquired
March 8, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (26,008) $14.25 Feb. 23, 2009 26,008 Disposed
March 8, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (6,808) $11.55 June 5, 2013 6,808 Disposed
March 5, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (4,567) $11.55 June 5, 2013 4,567 Disposed
March 5, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (30,800) $9.31 Jan. 28, 2007 30,800 Disposed
March 5, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (9,704) $6.12 Oct. 31, 2012 9,704 Disposed
March 4, 2004 NKTR Restricted Stock Unit [F3] Common Stock (16,666) $0.00 — 16,666 Acquired
March 4, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (48,391) $5.06 Jan. 23, 2006 48,391 Disposed
March 4, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (538) $8.06 Jan. 7, 2007 538 Disposed
March 4, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (15,738) $6.12 Oct. 31, 2012 15,738 Disposed
March 4, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (33,333) $19.55 March 4, 2014 33,333 Acquired
Feb. 19, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (3,213) $5.06 Jan. 23, 2006 3,213 Disposed
Feb. 10, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (4,396) $5.06 Jan. 23, 2006 4,396 Disposed
Feb. 10, 2004 NKTR Employee Stock Option (Right to Buy) Common Stock (40,896) $4.56 Jan. 18, 2005 40,896 Disposed
Oct. 15, 2003 NKTR Employee Stock Option (Right to Buy) Common Stock (2,800) $4.56 Jan. 18, 2005 2,800 Disposed
Oct. 14, 2003 NKTR Employee Stock Option (Right to Buy) Common Stock (2,800) $4.56 Jan. 18, 2005 2,800 Disposed
Oct. 13, 2003 NKTR Employee Stock Option (Right to Buy) Common Stock (36,082) $4.56 Jan. 18, 2005 36,082 Disposed
Oct. 13, 2003 NKTR Employee Stock Option (Right to Buy) Common Stock (12,318) $2.78 Jan. 31, 2004 12,318 Disposed

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

Initial ownership (Form 3) 3 holdings

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

Date Ticker Security Shares Ownership
Oct. 30, 2018 TWST Common Stock 69,822 Direct
Oct. 30, 2018 TWST Employee Stock Option (right to buy)→ Common Stock (7,104) 7,104 Direct
Oct. 30, 2018 TWST Employee Stock Option (right to buy)→ Common Stock (28,417) 28,417 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

NKTR

CEO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2006 $418,459 — — — $262,718 — $8,040 $2,417,150
2005 $135,805,167,019,183,648 $8,089,293,603,115,337 — — — — $842,574,356,559 —
2004 $167,019,183,641,251,712 $93,603,115,337,117,184 — — — — $743,565,596,628 —

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.