Revenue
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $0 | $0 | $0 | $0 | $0 | $0 | $0 | −$4.5M | $175,446 | $760,577 | $910,531 | $1.3M | $1.9M | $3.7M | $6.4M | $7.6M |
| Gross profit | — | — | — | — | — | — | — | — | $68,355 | $304,012 | $216,239 | $553,922 | $791,464 | $1.4M | $2.4M | $2.6M |
| Gross margin | — | — | — | — | — | — | — | — | 38.96% | 39.97% | 23.75% | 42.28% | 41.63% | 38.36% | 37.19% | 34.87% |
| Research & development | $9.2M | $4.6M | $1.9M | $669,818 | $1.4M | $891,626 | $2.7M | $3.5M | $2.3M | $2.7M | $1.5M | $1.5M | $2.0M | $2.1M | $2.3M | $1.6M |
| Operating expenses | $23.2M | $13.1M | $9.1M | $8.2M | $8.5M | $14.6M | $8.5M | $10.2M | $6.7M | $7.9M | $6.8M | $5.4M | $5.6M | $5.9M | $8.7M | $10.3M |
| Operating income | −$23.2M | −$13.1M | −$9.0M | −$7.8M | −$7.9M | −$14.5M | −$11.1M | −$15.0M | −$6.6M | −$7.6M | −$6.6M | −$4.8M | −$4.9M | −$4.5M | −$6.3M | −$7.6M |
| Operating margin | — | — | — | — | — | — | — | — | −3,760.50% | −1,003.83% | −726.85% | −367.55% | −255.26% | −122.23% | −99.56% | −100.70% |
| EBITDA | −$23.2M | −$13.1M | −$9.0M | −$7.8M | — | — | — | — | — | — | — | −$4.8M | −$4.8M | −$4.5M | −$6.3M | −$7.6M |
| EBITDA margin | — | — | — | — | — | — | — | — | — | — | — | −367.55% | −254.35% | −121.46% | −99.13% | −100.34% |
| Net income | −$19.6M | −$11.8M | −$7.9M | −$7.5M | −$7.8M | −$14.4M | −$10.7M | −$15.7M | −$7.1M | −$6.3M | −$4.3M | −$3.7M | −$4.6M | −$4.1M | −$5.9M | −$7.6M |
| Net profit margin | — | — | — | — | — | — | — | — | −4,049.62% | −834.26% | −474.25% | −278.91% | −241.26% | −110.32% | −92.33% | −99.69% |
| Basic EPSper basic share | -$0.80 | -$0.81 | -$0.65 | -$0.69 | -$1.71 | -$3.59 | -$3.66 | -$8.54 | -$8.52 | -$17.76 | -$14.16 | -$14.40 | -$21.00 | -$19.20 | -$28.20 | -$40.80 |
| Diluted EPSper diluted share | -$0.80 | -$0.81 | -$0.65 | -$0.69 | -$1.71 | -$3.59 | -$3.66 | -$8.54 | -$8.52 | -$17.76 | -$14.16 | -$14.40 | -$21.00 | -$19.20 | -$28.20 | -$40.80 |
Reported shareholders
| Holder | % owned |
|---|---|
STATE STREET CORP | 7.56%2.83M shares |
BlackRock, Inc. | 6.87%2.57M shares |
VANGUARD CAPITAL MANAGEMENT LLC | 4.00%1.5M shares |
EXCHANGE TRADED CONCEPTS, LLC | 2.99%1.12M shares |
GEODE CAPITAL MANAGEMENT, LLC | 2.34%876.82K shares |
GRAE SETH | ≈2.08%778.01K shares |
MILLENNIUM MANAGEMENT LLC | 1.87%698.89K shares |
UBS Group AG | 1.45%542.47K shares |
BNP PARIBAS FINANCIAL MARKETS | 1.26%471.87K shares |
MUSHAKOV ANDREY | ≈1.02%380.49K shares |
RENAISSANCE TECHNOLOGIES LLC | 0.90%338.4K shares |
GOLDMAN LARRY | ≈0.86%319.83K shares |
NORTHERN TRUST CORP | 0.78%293.42K shares |
Pacer Advisors, Inc. | 0.62%231.41K shares |
VANGUARD PORTFOLIO MANAGEMENT LLC | 0.62%230.48K shares |
VANGUARD FIDUCIARY TRUST CO | 0.59%221.64K shares |
Tortoise Investment Management, LLC | 0.58%215.94K shares |
D. E. Shaw & Co., Inc. | 0.45%166.51K shares |
Trexquant Investment LP | 0.29%108.96K shares |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.28%105.02K shares |
Percentages use 37.4M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.
Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.
| Transaction | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| Jun 22, 2026Form 4 · 10b5-1 | Goodman SherriDirector | SellCommon Stock | 1.1K | $9.58 | $10.7K | 61.4K |
| Jan 29, 2026Form 4 · 10b5-1 | MUSHAKOV ANDREYEVP, Nuclear Operations | SellCommon Stock | 2.8K | $16.03 | $45.3K | 389.1K |
| Jan 29, 2026Form 4 · 10b5-1 | MUSHAKOV ANDREYEVP, Nuclear Operations | SellCommon Stock | 24.9K | $16.54 | $412.3K | 391.9K |
| Jan 29, 2026Form 4 · 10b5-1 | MUSHAKOV ANDREYEVP, Nuclear Operations | SellCommon Stock | 2.5K | $17.48 | $44.3K | 416.8K |
| Jan 15, 2026Form 4 · 10b5-1 | GOLDMAN LARRYCFO | SellCommon Stock | 6.3K | $18.07 | $114.7K | 328.8K |