股本结构
单位：万股
| 公告日期 | 2026-10-15 | 2026-09-11 | 2026-08-27 | 2026-07-22 | 2026-08-04 | 2026-05-12 |
|---|---|---|---|---|---|---|
| 证券总股本 | 4554.14 | 4554.14 | 470.00 | 468.14 | 425.63 | 433.03 |
| 普通股本 | 4554.14 | 4554.14 | 470.00 | 468.14 | 425.63 | 433.03 |
| 优先股 | 0.41 | 未披露 | 未披露 | 未披露 | 35.10 | 未披露 |
| 其他 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 变动日期 | 2026-10-07 | 2026-09-09 | 2026-08-27 | 2026-07-17 | 2026-06-30 | 2026-05-10 |
注释：中概股证券总股本=普通股股本/
存托凭证比例
历史变动
| 公告日期 | 变动后普通股本（万股） | 变动后优先股（万股） | 变动原因 | 变动日期 |
|---|---|---|---|---|
| 2026-10-15 | 4554.14 | 0.41 | 定期报告 | 2026-10-07 |
| 2026-09-11 | 4554.14 | 未披露 |
更多>>
1.Reverse stock split 1-for-7 shares of Cyclerion common stock
2.The business combination of Cyclerion Therapeutics, Inc. (CYCN) & Korsana Biosciences, Inc. resulting in a Change of Control closed today, September 8, 2026. Each share of Korsana Common Stock and Korsana Series A Preferred Stock is currently estimated to be entitled to receive approximately 0.2074 shares of Cyclerion Common Stock.
|
2026-09-09 |
| 2026-08-27 | 470.00 | 未披露 | 定期报告 | 2026-08-27 |
| 2026-07-22 | 468.14 | 未披露 | 定期报告 | 2026-07-17 |
| 2026-08-04 | 425.63 | 35.10 |
更多>>
From March 31,2026 to June 30,2026
Vesting of restricted stock awards
|
2026-06-30 |
| 2026-05-12 | 433.03 | 未披露 | 定期报告 | 2026-05-10 |
| 2026-05-12 | 424.13 | 35.10 |
更多>>
From December 31,2025 to March 31,2026
Issuance of common stock - ATM
Vesting of restricted stock awards
|
2026-03-31 |
| 2026-03-31 | 433.03 | 35.10 | 定期报告 | 2026-03-27 |
| 2026-03-31 | 433.03 | 未披露 | 定期报告 | 2026-03-26 |
| 2026-03-31 | 382.12 | 35.10 |
更多>>
From December 31,2024 to December 31,2025
Issuance of common stock - private placement, net of issuance cost
Issuance of common stock - ATM
Vesting of restricted stock awards
|
2025-12-31 |
| 2025-11-12 | 392.53 | 未披露 | 定期报告 | 2025-11-10 |
| 2025-11-12 | 369.52 | 35.10 |
更多>>
From June 30, 2025 to September 30, 2025
Issuance of common stock - ATM
Vesting of restricted stock awards
|
2025-09-30 |
| 2025-08-05 | 333.74 | 未披露 | 定期报告 | 2025-08-01 |
| 2025-08-05 | 307.60 | 35.10 |
更多>>
From March 31, 2025 to June 30, 2025
Vesting of restricted stock awards
|
2025-06-30 |
| 2025-05-06 | 321.01 | 35.10 | 定期报告 | 2025-05-05 |
| 2025-05-06 | 306.09 | 35.10 |
更多>>
From December 31, 2024 to March 31, 2025
Issuance of common stock - private placement, net of issuance cost
Vesting of restricted stock awards
|
2025-03-31 |
| 2025-03-25 | 321.01 | 未披露 |
更多>>
Common stock offered by the company Private Offering 499,998 shares of common stock
|
2025-03-25 |
| 2025-02-04 | 271.01 | 35.10 | 定期报告 | 2025-02-03 |
| 2025-03-04 | 254.59 | 35.10 |
更多>>
From December 31,2023 to December 31,2024
Vesting of restricted stock awards
|
2024-12-31 |
| 2024-11-14 | 271.01 | 未披露 | 定期报告 | 2024-11-08 |
| 2024-11-14 | 253.09 | 35.10 |
更多>>
From June 30, 2024 to September 30, 2024
Vesting of restricted stock awards
|
2024-09-30 |
| 2024-08-07 | 271.01 | 未披露 | 定期报告 | 2024-08-05 |
| 2024-08-07 | 251.59 | 35.10 |
更多>>
From March 31, 2024 to June 30, 2024
Vesting of restricted stock awards
|
2024-06-30 |
| 2024-05-07 | 271.01 | 未披露 | 定期报告 | 2024-05-03 |
| 2024-05-07 | 249.96 | 35.10 |
更多>>
From December 31, 2023 to March 31, 2024
Vesting of restricted stock awards
|
2024-03-31 |
| 2024-03-05 | 271.01 | 未披露 | 定期报告 | 2024-02-29 |
| 2024-03-05 | 247.42 | 35.10 |
更多>>
From December 31,2022 to December 31,2023
Issuance of common stock
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
Vesting of restricted stock awards
Fractional shares issuance
|
2023-12-31 |
| 2023-11-13 | 244.51 | 35.10 |
更多>>
From June 30, 2023 to September 30, 2023
Issuance of common stock upon vesting of RSUs
|
2023-09-30 |
| 2023-07-28 | 241.08 | 未披露 | 定期报告 | 2023-07-24 |
| 2023-07-28 | 240.78 | 35.10 |
更多>>
From March 31, 2023 to June 30, 2023
Issuance of preferred shares
Fractional shares issuance
Issuance of common stock
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2023-06-30 |
| 2023-06-20 | 240.78 | 未披露 | 定期报告 | 2023-06-15 |
| 2023-05-15 | 217.62 | 未披露 |
更多>>
Cyclerion Therapeutics, Inc. announced that it will effect a reverse stock split of its outstanding shares of common stock at a ratio of 1-for-20, effective as of 5:00 p.m. Eastern Time on May 15, 2023.
|
2023-05-16 |
| 2023-04-03 | 4352.49 | 未披露 | 定期报告 | 2023-02-28 |
| 2023-03-22 | 4351.87 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2022-12-31 |
| 2022-11-03 | 4349.42 | 未披露 |
更多>>
From June 30, 2022 to September 30, 2022
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2022-09-30 |
| 2022-08-09 | 4347.98 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2022-06-30 |
| 2022-05-04 | 4344.84 | 未披露 |
更多>>
from December 31, 2021 to March 31, 2022
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2022-03-31 |
| 2022-02-24 | 4341.02 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Issuance of common stock - 2021 equity private placement
Issuance of common stock - ATM
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2021-12-31 |
| 2021-11-09 | 4331.57 | 未披露 | 定期报告 | 2021-11-05 |
| 2021-11-09 | 4331.01 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Issuance of common stock - ATM
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2021-09-30 |
| 2021-07-29 | 4327.67 | 未披露 | 定期报告 | 2021-07-27 |
| 2021-07-29 | 4327.52 | 未披露 |
更多>>
From March 31, 2021 to June 30, 2021
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2021-06-30 |
| 2021-06-16 | 4042.09 | 未披露 | 定期报告 | 2021-06-07 |
| 2021-04-30 | 3413.45 | 未披露 | 定期报告 | 2021-04-27 |
| 2021-04-28 | 3413.34 | 未披露 | 定期报告 | 2021-04-20 |
| 2021-04-30 | 3412.99 | 未披露 |
更多>>
From December 31, 2020 to March 28, 2021
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2021-03-28 |
| 2021-02-25 | 3405.47 | 未披露 | 定期报告 | 2021-02-18 |
| 2021-02-25 | 3404.73 | 未披露 |
更多>>
From December 31, 2019 to December 31, 2020
Issuance of common stock - 2020 private placement
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2020-12-31 |
| 2020-11-05 | 3396.19 | 未披露 | 定期报告 | 2020-11-03 |
| 2020-11-05 | 3396.16 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2020
Issuance of common stock - 2020 private placement
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2020-09-30 |
| 2020-08-07 | 3392.02 | 未披露 | 定期报告 | 2020-07-31 |
| 2020-08-03 | 3392.02 | 未披露 | 定期报告 | 2020-07-29 |
| 2020-07-24 | 2785.77 | 未披露 | 定期报告 | 2020-07-23 |
| 2020-08-03 | 2785.77 | 未披露 |
更多>>
from March 31, 2020 to June 30, 2020
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2020-06-30 |
| 2020-05-04 | 2775.49 | 未披露 |
更多>>
From December 31, 2019 to March 5, 2020
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
|
2020-03-05 |
| 2020-03-12 | 2759.81 | 未披露 |
更多>>
from December 31, 2018 to December 31, 2019
Distribution of common stock by Ironwood upon separation
Issuance of common stock - private placement, net of fees
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
Issuance of common stock awards
|
2019-12-31 |
| 2019-11-12 | 2746.89 | 未披露 | 定期报告 | 2019-11-06 |
| 2019-11-12 | 2746.84 | 未披露 |
更多>>
from December 31, 2018 to September 30, 2019
Distribution of common stock by Ironwood upon separation
Issuance of common stock - private placement, net of fees
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
Issuance of common stock awards
|
2019-09-30 |
| 2019-08-12 | 2742.09 | 未披露 | 定期报告 | 2019-08-12 |
| 2019-08-12 | 2741.12 | 未披露 |
更多>>
from December 31, 2018 to June 30,2019
Distribution of common stock by Ironwood upon separation
Issuance of common stock - private placement, net of fees
Issuance of common stock upon exercise of options and employee stock purchase plan
Issuance of common stock awards
|
2019-06-30 |
| 2019-04-18 | 2740.17 | 未披露 | 定期报告 | 2019-04-02 |
| 2019-03-11 | 1554.88 | 未披露 | 定期报告 | 2019-02-25 |
1.Reverse stock split 1-for-7 shares of Cyclerion common stock
2.The business combination of Cyclerion Therapeutics, Inc. (CYCN) & Korsana Biosciences, Inc. resulting in a Change of Control closed today, September 8, 2026. Each share of Korsana Common Stock and Korsana Series A Preferred Stock is currently estimated to be entitled to receive approximately 0.2074 shares of Cyclerion Common Stock.
From March 31,2026 to June 30,2026
Vesting of restricted stock awards
From December 31,2025 to March 31,2026
Issuance of common stock - ATM
Vesting of restricted stock awards
From December 31,2024 to December 31,2025
Issuance of common stock - private placement, net of issuance cost
Issuance of common stock - ATM
Vesting of restricted stock awards
From June 30, 2025 to September 30, 2025
Issuance of common stock - ATM
Vesting of restricted stock awards
From March 31, 2025 to June 30, 2025
Vesting of restricted stock awards
From December 31, 2024 to March 31, 2025
Issuance of common stock - private placement, net of issuance cost
Vesting of restricted stock awards
Common stock offered by the company Private Offering 499,998 shares of common stock
From December 31,2023 to December 31,2024
Vesting of restricted stock awards
From June 30, 2024 to September 30, 2024
Vesting of restricted stock awards
From March 31, 2024 to June 30, 2024
Vesting of restricted stock awards
From December 31, 2023 to March 31, 2024
Vesting of restricted stock awards
From December 31,2022 to December 31,2023
Issuance of common stock
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
Vesting of restricted stock awards
Fractional shares issuance
From June 30, 2023 to September 30, 2023
Issuance of common stock upon vesting of RSUs
From March 31, 2023 to June 30, 2023
Issuance of preferred shares
Fractional shares issuance
Issuance of common stock
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
Cyclerion Therapeutics, Inc. announced that it will effect a reverse stock split of its outstanding shares of common stock at a ratio of 1-for-20, effective as of 5:00 p.m. Eastern Time on May 15, 2023.
From December 31, 2021 to December 31, 2022
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From June 30, 2022 to September 30, 2022
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From March 31, 2022 to June 30, 2022
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
from December 31, 2021 to March 31, 2022
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From December 31, 2020 to December 31, 2021
Issuance of common stock - 2021 equity private placement
Issuance of common stock - ATM
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From June 30, 2021 to September 30, 2021
Issuance of common stock - ATM
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From March 31, 2021 to June 30, 2021
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From December 31, 2020 to March 28, 2021
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From December 31, 2019 to December 31, 2020
Issuance of common stock - 2020 private placement
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From June 30, 2020 to September 30, 2020
Issuance of common stock - 2020 private placement
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
from March 31, 2020 to June 30, 2020
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
From December 31, 2019 to March 5, 2020
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
from December 31, 2018 to December 31, 2019
Distribution of common stock by Ironwood upon separation
Issuance of common stock - private placement, net of fees
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
Issuance of common stock awards
from December 31, 2018 to September 30, 2019
Distribution of common stock by Ironwood upon separation
Issuance of common stock - private placement, net of fees
Issuance of common stock upon exercise of stock options, RSUs and employee stock purchase plan
Issuance of common stock awards
from December 31, 2018 to June 30,2019
Distribution of common stock by Ironwood upon separation
Issuance of common stock - private placement, net of fees
Issuance of common stock upon exercise of options and employee stock purchase plan
Issuance of common stock awards