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 95 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-06-12 | Tregoning Kathleen Director | Grant or award | +20,000 | 75,000 | ||
| 2025-05-02 | Rajavelu Esther See Remarks | Grant or award | +185,000 | 909,720 | ||
| 2025-02-05 | Keutzer Timothy Chief Operating Officer | Sale | −3,974 | $0.78 | $3K | 794,002 |
| 2025-02-05 | Keutzer Timothy Chief Operating Officer | Sale | −27,643 | $0.78 | $22K | 766,359 |
| 2025-02-05 | Keutzer Timothy Chief Operating Officer | Sale | −24,920 | $0.78 | $19K | 741,439 |
| 2025-02-05 | Rajavelu Esther CFO & CBO | Sale | −20,689 | $0.78 | $16K | 724,720 |
| 2025-02-05 | Shukla Sath CEO & President | Sale | −6,139 | $0.78 | $5K | 1,886,077 |
| 2025-02-05 | Shukla Sath CEO & President | Sale | −42,786 | $0.78 | $33K | 1,843,291 |
| 2025-02-05 | Shukla Sath CEO & President | Sale | −106,408 | $0.78 | $83K | 1,736,883 |
| 2025-02-05 | Mahadevia Ankit Director | Sale | −13,959 | $0.78 | $11K | 745,126 |
| 2025-02-05 | Mahadevia Ankit Director | Sale | −55,260 | $0.78 | $43K | 689,866 |
| 2025-02-03 | Keutzer Timothy Chief Operating Officer | Grant or award | +266,139 | 797,976 | ||
| 2025-02-03 | Rajavelu Esther CFO & CBO | Grant or award | +266,139 | 645,409 | ||
| 2025-02-03 | Rajavelu Esther CFO & CBO | Grant or award | +100,000 | 745,409 | ||
| 2025-02-03 | Shukla Sath CEO & President | Grant or award | +751,407 | 1,892,216 | ||
| 2024-11-08 | Rajavelu Esther CFO & CBO | Sale | −17,245 | $1.30 | $22K | 379,270 |
| 2024-11-07 | Rajavelu Esther CFO & CBO | Sale | −23,351 | $1.31 | $31K | 396,515 |
| 2024-08-27 | Mahadevia Ankit Director | Sale | −5,912 | $1.35 | $8K | 759,085 |
| 2024-08-27 | Keutzer Timothy Chief Operating Officer | Sale | −2,213 | $1.35 | $3K | 531,837 |
| 2024-08-27 | Shukla Sath CEO & President | Sale | −2,757 | $1.35 | $4K | 1,140,809 |
Page 3 of 8 · 157 trades