SEC CIK 1408591

THIRD ROCK VENTURES LP

Reported ownership across 3 companies, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
CTMXview stock →3,320,3482017-10-18
RYTMview stock →2,981,4372018-08-30
AGIOview stock →760,1952015-02-19

Position History — RYTM

Reported shares owned immediately after each Form 4 transaction, over time.

01,327,1462,654,2913,981,4372017-102017-102018-08

Recent Filings — RYTM

DateActivitySharesPriceOwned After
2018-08-30J1,000,000—2,981,437
2017-10-10Conversion (derivative)9,479,502$0.000
2017-10-10Conversion (derivative)26,868,642$0.000
2017-10-10Conversion3,963,810—3,981,437
2017-10-04———17,627

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.