| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2019-10-10 | Invesco Ltd. | NEKTAR THERAPEUTICS | 34,643,386 | 19.8% | EDGAR |
| SC 13G/A | 2019-08-12 | FMR LLC | NEKTAR THERAPEUTICS | 17,164,317 | 9.8% | EDGAR |
| SC 13G | 2019-06-10 | Invesco Ltd. | NEKTAR THERAPEUTICS | 21,984,578 | 12.6% | EDGAR |
| SC 13G/A | 2019-02-13 | FMR LLC | NEKTAR THERAPEUTICS | 25,961,520 | 15.0% | EDGAR |
| SC 13G | 2019-02-12 | WELLINGTON MANAGEMENT GROUP LLP | NEKTAR THERAPEUTICS | 10,741,365 | 6.2% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | NEKTAR THERAPEUTICS | 18,304,531 | 10.6% | EDGAR |
| SC 13G/A | 2019-02-08 | PRIMECAP MANAGEMENT CO/CA/ | NEKTAR THERAPEUTICS | 19,400,022 | 11.2% | EDGAR |
| SC 13G/A | 2019-02-06 | BlackRock Inc. | NEKTAR THERAPEUTICS | 12,979,178 | 7.5% | EDGAR |
| SC 13G/A | 2019-01-11 | OppenheimerFunds, Inc. | NEKTAR THERAPEUTICS | 17,302,925 | 10.0% | EDGAR |
| SC 13G/A | 2018-07-10 | BlackRock Inc. | NEKTAR THERAPEUTICS | 12,666,059 | 7.4% | EDGAR |
| SC 13G/A | 2018-04-10 | VANGUARD GROUP INC | NEKTAR THERAPEUTICS | 17,229,321 | 10.7% | EDGAR |
| SC 13G/A | 2018-03-12 | FMR LLC | NEKTAR THERAPEUTICS | 19,690,476 | 12.3% | EDGAR |
| SC 13G/A | 2018-02-27 | PRIMECAP MANAGEMENT CO/CA/ | NEKTAR THERAPEUTICS | 22,357,522 | 14.2% | EDGAR |
| SC 13G | 2018-02-13 | FMR LLC | NEKTAR THERAPEUTICS | 11,242,968 | 7.1% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | NEKTAR THERAPEUTICS | 14,812,307 | 9.4% | EDGAR |
| SC 13G/A | 2018-02-06 | OppenheimerFunds, Inc. | NEKTAR THERAPEUTICS | 14,604,569 | 9.3% | EDGAR |
| SC 13G/A | 2018-01-19 | BlackRock Inc. | NEKTAR THERAPEUTICS | 21,431,388 | 13.6% | EDGAR |
| SC 13G/A | 2017-12-08 | OppenheimerFunds, Inc. | NEKTAR THERAPEUTICS | 15,094,639 | 9.6% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | NEKTAR THERAPEUTICS | 12,973,280 | 8.5% | EDGAR |
| SC 13G/A | 2017-02-09 | PRIMECAP MANAGEMENT CO/CA/ | NEKTAR THERAPEUTICS | 21,436,186 | 14.0% | EDGAR |