SEC CIK 1227886
CHESS ROBERT
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| NKTRview stock → | 19,019 | 2026-09-23 |
Position History — NKTR
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — NKTR
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-09-23 | Grant / award (derivative) | 4,000 | $0.00 | 4,000 |
| 2026-09-23 | Grant / award | 2,000 | $0.00 | 19,019 |
| 2025-09-30 | Grant / award (derivative) | 8,000 | $0.00 | 8,000 |
| 2024-06-14 | Open-market sale | 19,500 | $1.20 | 255,273 |
| 2023-09-19 | Grant / award (derivative) | 85,000 | $0.00 | 85,000 |
| 2022-09-22 | Open-market sale | 5,100 | $3.19 | 228,179 |
| 2022-09-22 | Open-market sale | 10,200 | $0.67 | 274,773 |
| 2022-09-16 | Grant / award (derivative) | 20,400 | $0.00 | 20,400 |
| 2022-09-16 | Grant / award | 10,200 | $0.00 | 233,279 |
| 2021-09-22 | Grant / award (derivative) | 20,400 | $0.00 | 20,400 |
| 2021-09-22 | Open-market sale | 4,600 | $17.94 | 279,873 |
| 2021-09-22 | Grant / award | 10,200 | $0.00 | 284,473 |
| 2021-09-09 | Option exercise (derivative) | 10,279 | $0.00 | 0 |
| 2021-09-09 | Option exercise | 10,279 | $13.80 | 284,552 |
| 2021-09-09 | Open-market sale | 10,279 | $16.02 | 274,273 |
| 2021-09-08 | Option exercise (derivative) | 8,000 | $0.00 | 10,279 |
| 2021-09-08 | Option exercise | 8,000 | $13.80 | 282,273 |
| 2021-09-08 | Open-market sale | 8,000 | $16.00 | 274,273 |
| 2021-08-24 | Gift | 6,300 | $0.00 | 274,273 |
| 2021-08-24 | Gift | 2,100 | $0.00 | 2,100 |
| 2021-07-22 | Option exercise (derivative) | 91 | $0.00 | 18,279 |
| 2021-07-22 | Option exercise | 91 | $13.80 | 280,664 |
| 2021-07-22 | Open-market sale | 91 | $16.80 | 280,573 |
| 2021-07-21 | Option exercise (derivative) | 3,524 | $0.00 | 18,370 |
| 2021-07-21 | Option exercise | 3,524 | $13.80 | 284,097 |
| 2021-07-21 | Open-market sale | 3,524 | $16.81 | 280,573 |
| 2021-07-20 | Option exercise (derivative) | 2,106 | $0.00 | 21,894 |
| 2021-07-20 | Open-market sale | 2,106 | $16.80 | 280,573 |
| 2021-07-20 | Option exercise | 2,106 | $13.80 | 282,679 |
| 2021-05-12 | Option exercise (derivative) | 8,000 | $0.00 | 24,000 |
| 2021-05-12 | Open-market sale | 8,000 | $19.34 | 280,573 |
| 2021-05-12 | Option exercise | 8,000 | $13.80 | 288,573 |
| 2021-04-14 | Option exercise (derivative) | 8,000 | $0.00 | 32,000 |
| 2021-04-14 | Option exercise | 8,000 | $13.80 | 288,573 |
| 2021-04-14 | Open-market sale | 8,000 | $18.98 | 280,573 |
| 2020-09-25 | Open-market sale | 5,500 | $17.75 | 280,573 |
| 2020-09-22 | Grant / award (derivative) | 18,200 | $0.00 | 18,200 |
| 2020-09-22 | Grant / award | 9,100 | $0.00 | 286,073 |
| 2020-09-22 | Grant / award (derivative) | 18,200 | $0.00 | 18,200 |
| 2020-09-22 | Grant / award | 9,100 | $0.00 | 286,073 |
| 2020-09-08 | Option exercise (derivative) | 8,000 | $0.00 | 0 |
| 2020-09-08 | Option exercise | 8,000 | $9.24 | 284,973 |
| 2020-09-08 | Open-market sale | 8,000 | $18.53 | 276,973 |
| 2020-07-08 | Option exercise (derivative) | 8,000 | $0.00 | 8,000 |
| 2020-07-08 | Option exercise | 8,000 | $9.24 | 284,973 |
| 2020-07-08 | Open-market sale | 8,000 | $24.58 | 276,973 |
| 2020-04-15 | Option exercise (derivative) | 8,000 | $0.00 | 16,000 |
| 2020-04-15 | Option exercise | 8,000 | $9.24 | 284,973 |
| 2020-04-15 | Open-market sale | 197 | $19.02 | 276,973 |
| 2020-04-15 | Open-market sale | 7,803 | $18.36 | 277,170 |
| 2020-03-11 | Option exercise (derivative) | 8,000 | $0.00 | 24,000 |
| 2020-03-11 | Open-market sale | 6,800 | $16.68 | 278,173 |
| 2020-03-11 | Open-market sale | 1,200 | $17.41 | 276,973 |
| 2020-03-11 | Option exercise | 8,000 | $9.24 | 284,973 |
| 2020-02-12 | Option exercise (derivative) | 8,000 | $0.00 | 32,000 |
| 2020-02-12 | Open-market sale | 4,401 | $23.32 | 280,572 |
| 2020-02-12 | Open-market sale | 3,599 | $23.72 | 276,973 |
| 2020-02-12 | Option exercise | 8,000 | $9.24 | 284,973 |
| 2019-09-27 | Open-market sale | 4,000 | $17.99 | 276,973 |
| 2019-09-25 | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2019-09-25 | Grant / award | 6,500 | $0.00 | 280,973 |
| 2018-09-27 | Grant / award (derivative) | 9,500 | $0.00 | 9,500 |
| 2018-09-27 | Grant / award | 4,750 | $0.00 | 274,473 |
| 2018-09-19 | Open-market sale | 4,500 | $56.81 | 269,723 |
| 2018-06-05 | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2018-06-05 | Open-market sale | 10,000 | $55.16 | 274,223 |
| 2018-06-05 | Option exercise | 10,000 | $14.26 | 284,223 |
| 2018-05-03 | Option exercise (derivative) | 10,000 | $0.00 | 10,000 |
| 2018-05-03 | Option exercise (derivative) | 15,000 | $0.00 | 0 |
| 2018-05-03 | Option exercise | 15,000 | $5.14 | 289,223 |
| 2018-05-03 | Open-market sale | 15,000 | $82.81 | 274,223 |
| 2018-05-03 | Option exercise | 10,000 | $14.26 | 284,223 |
| 2018-04-06 | Option exercise (derivative) | 10,000 | $0.00 | 20,000 |
| 2018-04-06 | Option exercise (derivative) | 15,000 | $0.00 | 15,000 |
| 2018-04-06 | Option exercise | 10,000 | $14.26 | 284,223 |
| 2018-04-06 | Option exercise | 15,000 | $5.14 | 289,223 |
| 2018-04-06 | Open-market sale | 15,000 | $92.14 | 274,223 |
| 2017-09-21 | Open-market sale | 6,400 | $21.72 | 274,223 |
| 2017-09-19 | Grant / award (derivative) | 22,500 | $0.00 | 22,500 |
| 2017-09-19 | Grant / award | 9,000 | $0.00 | 280,623 |
| 2017-05-15 | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2017-05-15 | Open-market sale | 5,000 | $19.79 | 271,623 |
| 2017-05-15 | Option exercise | 5,000 | $8.37 | 276,623 |
| 2017-04-17 | Option exercise (derivative) | 5,000 | $0.00 | 5,000 |
| 2017-04-17 | Option exercise | 5,000 | $8.37 | 276,623 |
| 2017-04-17 | Open-market sale | 5,000 | $18.72 | 271,623 |
| 2017-03-14 | Option exercise (derivative) | 5,000 | $0.00 | 10,000 |
| 2017-03-14 | Open-market sale | 5,000 | $15.41 | 271,623 |
| 2017-03-14 | Option exercise | 5,000 | $8.37 | 276,623 |
| 2016-09-21 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2016-09-21 | Grant / award | 8,000 | $0.00 | 271,623 |
| 2016-09-15 | Option exercise (derivative) | 15,000 | $0.00 | 0 |
| 2016-09-15 | Option exercise | 15,000 | $0.00 | 263,623 |
| 2016-09-15 | Open-market sale | 12,000 | $19.21 | 248,623 |
| 2016-08-01 | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2016-08-01 | Option exercise | 5,000 | $5.15 | 265,623 |
| 2016-08-01 | Open-market sale | 5,000 | $17.26 | 260,623 |
| 2016-07-01 | Option exercise (derivative) | 5,000 | $0.00 | 5,000 |
| 2016-07-01 | Option exercise | 5,000 | $5.15 | 265,623 |
| 2016-07-01 | Open-market sale | 5,000 | $14.10 | 260,623 |
| 2016-06-01 | Option exercise (derivative) | 5,000 | $0.00 | 10,000 |
| 2016-06-01 | Option exercise | 5,000 | $5.15 | 265,623 |
| 2016-06-01 | Open-market sale | 5,000 | $15.50 | 260,623 |
| 2015-09-15 | Grant / award (derivative) | 12,500 | $0.00 | 12,500 |
| 2015-09-15 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2015-06-19 | Option exercise (derivative) | 15,000 | $0.00 | 0 |
| 2015-06-19 | Option exercise | 15,000 | $8.81 | 275,623 |
| 2015-06-19 | Open-market sale | 15,000 | $11.81 | 260,623 |
| 2014-12-29 | Option exercise (derivative) | 29,500 | $0.00 | 0 |
| 2014-12-29 | Option exercise | 29,500 | $15.24 | 290,123 |
| 2014-12-29 | Open-market sale | 29,500 | $15.34 | 260,623 |
| 2014-09-23 | Grant / award (derivative) | 45,000 | $0.00 | 45,000 |
| 2013-09-19 | Grant / award (derivative) | 40,000 | $0.00 | 40,000 |
| 2012-09-14 | Grant / award (derivative) | 40,000 | $0.00 | 40,000 |
| 2012-07-13 | Option exercise (derivative) | 24,001 | $0.00 | 0 |
| 2012-07-13 | Option exercise | 24,001 | $6.12 | 284,624 |
| 2012-07-13 | Open-market sale | 24,001 | $8.50 | 260,623 |
| 2011-09-13 | Grant / award (derivative) | 30,000 | $5.14 | 30,000 |
| 2011-03-08 | Open-market sale | 4,500 | $9.00 | 255,709 |
| 2011-03-07 | Option exercise (derivative) | 10,000 | — | 0 |
| 2011-03-07 | Option exercise | 10,000 | — | 260,209 |
| 2010-09-14 | Grant / award (derivative) | 30,000 | $14.05 | 30,000 |
| 2010-09-14 | Grant / award (derivative) | 30,000 | $14.26 | 30,000 |
| 2010-05-10 | Option exercise (derivative) | 35,000 | $0.00 | 24,004 |
| 2010-05-10 | Option exercise | 35,000 | $6.12 | 290,123 |
| 2010-05-10 | Open-market sale | 35,000 | $13.95 | 255,123 |
| 2009-09-15 | Grant / award (derivative) | 15,000 | $8.37 | 15,000 |
| 2009-09-15 | Grant / award (derivative) | 5,000 | $0.01 | 5,000 |
| 2009-09-15 | Grant / award (derivative) | 15,000 | $8.37 | 15,000 |
| 2009-09-15 | Grant / award (derivative) | 50,000 | $0.01 | 5,000 |
| 2008-12-02 | Grant / award (derivative) | 5,000 | $0.01 | 5,000 |
| 2008-12-02 | Grant / award (derivative) | 15,000 | $5.15 | 15,000 |
| 2008-11-14 | Option exercise (derivative) | 9,167 | — | 0 |
| 2008-11-14 | Option exercise | 9,167 | — | 255,123 |
| 2007-09-19 | Grant / award (derivative) | 15,000 | $8.81 | 982,464 |
| 2007-09-17 | Grant / award (derivative) | 5,000 | $0.01 | 9,167 |
| 2007-03-22 | Open-market sale | 17,700 | $12.23 | 240,792 |
| 2007-03-19 | Disposition to issuer (derivative) | 25,000 | $0.01 | 0 |
| 2007-03-19 | Grant / award | 52,083 | $0.01 | 258,492 |
| 2007-01-08 | Open-market sale | 3,592 | $14.51 | 208,619 |
| 2007-01-03 | Disposition to issuer (derivative) | 8,334 | $0.01 | 0 |
| 2007-01-03 | Grant / award | 8,334 | $0.01 | 212,211 |
| 2007-01-03 | Grant / award (derivative) | 8,333 | $0.01 | 57,638 |
| 2007-01-03 | Grant / award (derivative) | 12,500 | $15.24 | 947,464 |
| 2007-01-03 | Grant / award (derivative) | 17,000 | $15.24 | 934,964 |
| 2007-01-03 | Grant / award (derivative) | 4,167 | $0.01 | 61,805 |
| 2006-06-30 | Grant / award (derivative) | 25,000 | $0.01 | 57,639 |
| 2006-06-30 | Grant / award (derivative) | 50,000 | $18.34 | 917,964 |
| 2006-06-30 | Grant / award (derivative) | 25,000 | $0.01 | 57,639 |
| 2006-03-07 | Open-market sale | 2,210 | $19.80 | 201,667 |
| 2006-03-03 | Disposition to issuer (derivative) | 5,555 | $0.01 | 8,334 |
| 2006-03-03 | Grant / award | 5,555 | $0.01 | 203,877 |
| 2006-02-24 | Grant / award (derivative) | 37,500 | $21.38 | 867,964 |
| 2006-02-24 | Grant / award (derivative) | 18,750 | $0.01 | 32,639 |
| 2006-02-24 | Grant / award (derivative) | 18,750 | $0.01 | 32,639 |
| 2006-02-24 | Grant / award (derivative) | 37,500 | $21.50 | 867,964 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.