SEC Form 4 · accession 0000899243-18-011871
Blueprint Medicines Corp · BPMC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Alexis Borisy
Director
Period of report
May 4, 2018
Accepted (ET)
May 8, 2018 · 4:57 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001597264
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2,F3 | May 4, 2018 | S$0 | 0 | $0.00 | D | 0 | I | See Footnote |
| Common StockF4,F5,F3 | May 7, 2018 | S$0 | 0 | $0.00 | D | 0 | I | See Footnote |
| Common Stock | holding | — | — | — | 53,249 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1On May 4, 2018, Third Rock Ventures II, L.P. ("TRV II") sold (i) 130,000 shares of Common Stock of the Issuer in multiple transactions at prices ranging from $78.35 to $79.12, inclusive, at a weighted average price per share of $78.9148 and (ii) 20,000 shares of Common Stock of the Issuer in multiple transactions at prices ranging from $79.40 to $79.80, inclusive, at a weighted average price per share of $79.4912. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1).
- F2After the above transaction, TRV II owned 2,303,753 shares of Common Stock of the Issuer.
- F3The reporting person is a partner of Third Rock Ventures GP II, L.P., which is the general partner of the TRV II. The reporting person disclaims beneficial ownership over such shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that he is the beneficial owner of such shares.
- F4On May 7, 2018, TRV II sold (i) 284,378 shares of Common Stock of the Issuer in multiple transactions at prices ranging from $78.10 to $79.07, inclusive, at a weighted average price per share of $78.5484 and (ii) 33,122 shares of Common Stock of the Issuer in multiple transactions at prices ranging from $79.12 to $79.57, inclusive, at a weighted average price per share of $79.3597. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (4).
- F5After the above transaction, TRV II owned 1,986,253 shares of Common Stock of the Issuer.