THIRD ROCK VENTURES LP

CIK 1408591 · last filed 2018-07-24

THIRD ROCK VENTURES LP is a corporate insider who has filed 5 SEC Form 4 insider transactions across 4 companies since 2013. The most recent filing, for CNST, was dated Jul 24, 2018. Across all open-market trades the lifetime net is −$576.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $90.4M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$90.44M

Companies

4

Total Filings

5

Lifetime Open-Market Net

-$576.44M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
CONSTELLATION PHARMACEUTICALS INC (CNST) Delisted 10%+ Owner 2,983,051 $33.99 $101.39M $20.00M 1 2018-07-24
Foundation Medicine, Inc. (FMI) Delisted 10%+ Owner 950,956 -$596.44M 1 2015-04-09
bluebird bio, Inc. (BLUE) Delisted 10%+ Owner 300,863 $4.97 $1.50M $0 2 2015-02-04
AGIO 10%+ Owner 3,070,090 $29.46 $90.44M $0 1 2014-09-12

Recent Filings

5 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2018-07-24 CONSTELLATION PHARMACEUTICALS INC (CNST) Delisted Mixed +14,860,005 $20.00M EDGAR
2015-04-09 Foundation Medicine, Inc. (FMI) Delisted Sell (S) −11,928,834 -$596.44M EDGAR
2015-02-04 bluebird bio, Inc. (BLUE) Delisted Other (J) −3,645,162 $0 EDGAR
2014-09-12 AGIO Other (J) −2,475,000 $0 EDGAR
2013-12-18 bluebird bio, Inc. (BLUE) Delisted Other (J) −4,260,822 $0 EDGAR
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.