CIK 0001701108 · Non-accelerated filer<br>Smaller reporting company
Spero Therapeutics, Inc.
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- SPRO
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- Phone
- 857-242-1600
- Business address
- 675 MASSACHUSETTS AVENUE, 14TH FLOOR, CAMBRIDGE, MA, 02139
- Former names
- Spero Therapeutics, LLC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $42,485
- in 1 filing
Net −$42,485. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2018-07-17 | GLAXOSMITHKLINE PLC 10% owner | Purchase | +80,000 | $12.50 | $1.0M | 1,934,006 |
| 2017-11-06 | GLAXOSMITHKLINE PLC 10% owner | Purchase | +428,571 | $14.00 | $6.0M | 1,854,006 |
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