CYCLERION THERAPEUTICS INC

CUSIP: 23255M105 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019
Shares 2,039,193 Value ($000) $24,715 Avg Close — Range —
Q2 2019
Shares 2,107,470 Value ($000) $24,131 Avg Close — Range —