Gritstone bio, Inc., a clinical-stage biotechnology company, engages in developing immunotherapies against multiple cancer types and infectious diseases. Its lead product candidate is GRANITE, a neoantigen-based immunotherapy for the treatment of solid tumors, including metastatic non-small cell lung cancer, as well as gastroesophageal, bladder and microsatellite stable, and colorectal cancers. The company is also developing SLATE, an off-the-shelf immunotherapy candidate for the treatment of common solid tumors comprising metastatic non-small cell lung cancer, colorectal cancer, pancreatic cancer, and shared neoantigen-positive tumors. In addition, it develops CORAL, a SARS-CoV-2 vaccine platform designed to deliver spike and additional SARS-CoV-2 T cell epitopes for protection and broader immunity against SARS-CoV-2 variants; and a therapeutic vaccine candidate designed to treat and cure human immunodeficiency virus (HIV) infection. It has a strategic collaboration with bluebird bio, Inc.; collaboration agreement with Gilead Sciences, Inc.; and license agreement with Genevant Sciences GmbH. The company was formerly known as Gritstone Oncology, Inc. and changed its name to Gritstone bio, Inc. in May 2021. Gritstone bio, Inc. was incorporated in 2015 and is headquartered in Emeryville, California.
Over the last 12 months, insiders at Gritstone bio, Inc. have bought $0 and sold $55,950 worth of Gritstone bio, Inc. stock.
On average, over the past 5 years, insiders at Gritstone bio, Inc. have bought $2.51M and sold $271,969 worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 12,000 shares for transaction amount of $22,829 was made by Economides Vassiliki (See Remarks) on 2023‑05‑23.
2024-05-16 | Sale | Allen Andrew R | PRESIDENT AND CEO | 24,263 0.0222% | $0.75 | $18,156 | +3.57% | |
2024-05-16 | Sale | Jooss Karin | SEE REMARKS | 13,749 0.0126% | $0.75 | $10,288 | +3.57% | |
2024-05-16 | Sale | Jones Erin | EVP, CHIEF OPERATING OFFICER | 13,749 0.0126% | $0.75 | $10,288 | +3.57% | |
2024-05-16 | Sale | Hawryluk Matthew | EVP, CHIEF BUSINESS OFFICER | 9,259 0.0085% | $0.75 | $6,929 | +3.57% | |
2024-05-16 | Sale | Economides Vassiliki | EVP, CHIEF FINANCIAL OFFICER | 13,749 0.0126% | $0.75 | $10,288 | +3.57% | |
2023-05-23 | Economides Vassiliki | See Remarks | 12,000 0.0108% | $1.90 | $22,829 | +3.24% | ||
2021-12-01 | Sale | Jones Erin | Chief Operating Officer | 1,000 0.0014% | $13.01 | $13,010 | -72.27% | |
2021-11-01 | Sale | Jones Erin | Chief Operating Officer | 1,000 0.0012% | $11.14 | $11,140 | -68.37% | |
2021-10-04 | Sale | Jones Erin | See Remarks | 1,000 0.0014% | $10.71 | $10,710 | -57.31% | |
2021-10-01 | Sale | Jones Erin | See Remarks | 1,000 0.0012% | $10.68 | $10,680 | -61.07% | |
2021-09-08 | Sale | Jones Erin | See Remarks | 2,000 0.0026% | $11.37 | $22,748 | -59.01% | |
2021-05-27 | Sale | Rousseau Raphael | See Remarks | 2,900 0.0038% | $9.00 | $26,112 | -8.79% | |
2021-01-20 | Sale | Rousseau Raphael | See Remarks | 10,000 0.0129% | $25.07 | $250,705 | -61.55% | |
2021-01-19 | Sale | Yelensky Roman | See Remarks | 10,000 0.0131% | $22.10 | $221,029 | -55.73% | |
2021-01-19 | Sale | Rousseau Raphael | See Remarks | 20,000 0.0207% | $17.53 | $350,564 | -55.73% | |
2020-12-30 | Woiwode Thomas | director | 1.35M 3.2348% | $3.71 | $5M | +140.34% | ||
2019-08-21 | Sale | Rousseau Raphael | See Remarks | 20,000 0.03% | $5.76 | $115,231 | -28.41% | |
2018-09-28 | Simon Nicholas | 666,666 28.7153% | $15.00 | $10M | -17.17% | |||
2018-09-28 | Clarus Lifesciences III, L.P. | 10 percent owner | 666,666 28.7153% | $15.00 | $10M | -17.17% |
Allen Andrew R | PRESIDENT AND CEO | 985360 0.9076% | $0.70 | 0 | 1 | |
Jooss Karin | SEE REMARKS | 683526 0.6296% | $0.70 | 0 | 1 | |
Hawryluk Matthew | EVP, CHIEF BUSINESS OFFICER | 313931 0.2892% | $0.70 | 0 | 1 | |
Economides Vassiliki | See Remarks | 262437 0.2245% | $0.70 | 1 | 1 | +3.24% |
Jones Erin | Chief Operating Officer | 359293 0.0481% | $0.70 | 0 | 6 | |
Woiwode Thomas | director | 1347709 1.4136% | $0.70 | 1 | 0 | +140.34% |
Simon Nicholas | 333333 0.3496% | $0.70 | 1 | 0 | <0.0001% | |
Clarus Lifesciences III, L.P. | 10 percent owner | 333333 0.3496% | $0.70 | 1 | 0 | <0.0001% |
Yelensky Roman | See Remarks | 160624 0.1685% | $0.70 | 0 | 1 | |
Rousseau Raphael | See Remarks | 0 0% | $0.70 | 0 | 4 |
Morgan Stanley | $17.33M | 6.21 | 6.74M | +22.13% | +$3.14M | <0.01 | |
BlackRock | $14.88M | 5.33 | 5.79M | -1.34% | -$202,220.47 | <0.0001 | |
Redmile Group | $14.79M | 5.3 | 5.76M | -2% | -$302,052.10 | 0.55 | |
The Vanguard Group | $12.17M | 4.36 | 4.73M | +7.19% | +$815,972.44 | <0.0001 | |
Versant Ventures | $9.15M | 3.28 | 3.56M | 0% | +$0 | 12.76 | |
Point72 Asset Management | $7.9M | 2.83 | 3.07M | -22.64% | -$2.31M | 0.02 | |
Deutsche Bank | $7.66M | 2.75 | 2.98M | New | +$7.66M | <0.01 | |
Geode Capital Management | $5.11M | 1.83 | 1.99M | +4.3% | +$210,812.25 | <0.0001 | |
State Street | $4.63M | 1.66 | 1.8M | +1.08% | +$49,529.04 | <0.0001 | |
Ensign Peak Advisors Inc | $3.77M | 1.35 | 1.47M | +83.97% | +$1.72M | 0.01 | |
Fidelity Investments | $2.68M | 0.96 | 1.04M | -47.42% | -$2.42M | <0.0001 | |
Frazier Life Sciences Management L P | $2.65M | 0.95 | 1.03M | 0% | +$0 | 0.14 | |
Artal Group S A | $2.65M | 0.95 | 1.03M | New | +$2.65M | 0.01 | |
Northern Trust | $1.94M | 0.7 | 754,463 | +3.08% | +$57,930.34 | <0.0001 | |
Goldman Sachs | $1.23M | 0.44 | 476,798 | +247.64% | +$872,885.18 | <0.0001 | |
Nuveen | $875,029.00 | 0.31 | 340,478 | 0% | +$0 | <0.0001 | |
Wellington Management Company | $850,873.00 | 0.31 | 331,079 | New | +$850,873.00 | <0.0001 | |
BNY Mellon | $814,332.00 | 0.29 | 316,861 | -2.96% | -$24,833.89 | <0.0001 | |
Dimensional Fund Advisors | $736,563.00 | 0.26 | 286,600 | +100.8% | +$369,746.40 | <0.0001 | |
Charles Schwab | $686,717.00 | 0.25 | 267,205 | 0% | +$0 | <0.0001 | |
Bridgeway Capital Management | $678,223.00 | 0.24 | 263,900 | +36.1% | +$179,900.00 | 0.01 | |
Susquehanna Fundamental Investments Llc | $636,350.00 | 0.23 | 247,607 | New | +$636,350.00 | 0.03 | |
UBS | $470,305.00 | 0.17 | 182,998 | -7.42% | -$37,701.91 | <0.0001 | |
Citadel Advisors LLC | $421,976.00 | 0.15 | 164,193 | -46.09% | -$360,774.02 | <0.0001 | |
Ironwood Investment Management Llc | $405,040.00 | 0.15 | 157,603 | New | +$405,040.00 | 0.13 | |
Forum Financial Management Lp | $393,820.00 | 0.14 | 153,237 | +70.26% | +$162,519.47 | 0.02 | |
Jane Street Capital | $381,722.00 | 0.14 | 148,530 | -26.1% | -$134,801.61 | <0.0001 | |
Two Sigma | $327,873.00 | 0.12 | 127,577 | +153.47% | +$198,519.72 | <0.01 | |
RhumbLine Advisers | $327,470.00 | 0.12 | 127,423 | +3.03% | +$9,629.58 | <0.0001 | |
Barclays | $258,000.00 | 0.09 | 100,317 | -29.25% | -$106,654.51 | <0.0001 | |
Artia Global Partners Lp | $244,587.00 | 0.09 | 95,170 | 0% | +$0 | 0.06 | |
American Century Investments | $240,902.00 | 0.09 | 93,736 | New | +$240,902.00 | <0.0001 | |
T. Rowe Price | $224,000.00 | 0.08 | 86,827 | +4% | +$8,611.51 | <0.0001 | |
Bank of America | $219,321.00 | 0.08 | 85,339 | -54.49% | -$262,630.59 | <0.0001 | |
Cornercap Investment Counsel Inc | $197,404.00 | 0.07 | 76,811 | 0% | +$0 | 0.03 | |
Alger | $148,420.00 | 0.05 | 57,751 | New | +$148,420.00 | <0.01 | |
Invesco | $141,435.00 | 0.05 | 55,033 | -15.96% | -$26,861.68 | <0.0001 | |
American International Group | $114,188.00 | 0.04 | 44,431 | +1.84% | +$2,068.86 | <0.0001 | |
Wells Fargo | $105,622.00 | 0.04 | 41,098 | -6.15% | -$6,923.59 | <0.0001 | |
CAPTRUST | $99,217.00 | 0.04 | 38,606 | +34.6% | +$25,507.14 | <0.0001 | |
The Manufacturers Life Insurance Company | $94,525.00 | 0.03 | 36,780 | +0.44% | +$411.20 | <0.0001 | |
JPMorgan Chase | $90,896.00 | 0.03 | 35,368 | -44.02% | -$71,461.61 | <0.0001 | |
MetLife Investment Management | $93,227.00 | 0.03 | 36,275 | -22.31% | -$26,774.33 | <0.01 | |
Hightower Advisors | $91,000.00 | 0.03 | 35,250 | +33.02% | +$22,588.65 | <0.0001 | |
Klingman and Associates, LLC | $89,401.00 | 0.03 | 34,786 | New | +$89,401.00 | 0.01 | |
Stifel | $78,884.00 | 0.03 | 30,694 | -0.8% | -$632.22 | <0.0001 | |
TWO SIGMA SECURITIES LLC | $76,337.00 | 0.03 | 29,703 | New | +$76,337.00 | <0.01 | |
Voya Investment Management LLC | $72,222.00 | 0.03 | 28,102 | -21.07% | -$19,274.96 | <0.0001 | |
LAZARD ASSET MANAGEMENT LLC | $70,000.00 | 0.03 | 27,461 | New | +$70,000.00 | <0.0001 | |
Creative Planning | $64,019.00 | 0.02 | 24,910 | 0% | +$0 | <0.0001 |