KALEIDO BIOSCIENCES INC

Ticker: KLDO CUSIP: 483347100 Class: COM

Flagship Pioneering, LLC's Holding History (CIK: 0001400240)

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

Q1 2022
Shares 19,575,710 Value ($000) $32,300 Avg Close $1.78 Range $1.30 - $2.73
Q4 2021
Shares 19,575,710 Value ($000) $46,787 Avg Close $4.07 Range $2.37 - $6.07
Q3 2021
Shares 19,575,710 Value ($000) $106,883 Avg Close $6.20 Range $5.10 - $8.25
Q2 2021
Shares 19,575,710 Value ($000) $145,643 Avg Close $7.09 Range $5.71 - $9.47
Q1 2021
Shares 19,575,710 Value ($000) $158,562 Avg Close $10.89 Range $7.00 - $20.50
Q4 2020
Shares 19,360,710 Value ($000) $176,183 Avg Close $8.20 Range $5.70 - $11.50
Q3 2020
Shares 19,360,710 Value ($000) $214,323 Avg Close $6.93 Range $5.04 - $11.89
Q2 2020
Shares 19,360,710 Value ($000) $143,851 Avg Close $6.70 Range $4.55 - $8.45
Q1 2020
Shares 17,360,710 Value ($000) $106,768 Avg Close $6.53 Range $2.82 - $10.00
Q4 2019
Shares 17,360,710 Value ($000) $87,151 Avg Close $6.36 Range $4.61 - $9.40
Q3 2019
Shares 17,360,710 Value ($000) $130,727 Avg Close $8.68 Range $6.23 - $12.46
Q2 2019
Shares 17,360,710 Value ($000) $201,385 Avg Close $14.56 Range $10.88 - $19.00
Q1 2019
Shares 17,360,710 Value ($000) $251,731 Avg Close $13.76 Range $12.50 - $15.52