Spero Therapeutics, Inc. (SPRO) — Insider Trading
Insider trading activity for Spero Therapeutics, Inc. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 15
- Last trade date: Jun 25, 2026
- Ticker: SPRO
Top Insiders
- Pottage John C Jr — 2 trades, buy: $0, sell: $0
- Jackson Scott Thomas — 2 trades, buy: $0, sell: $0
- THOMAS FRANK E — 2 trades, buy: $0, sell: $0
- Tregoning Kathleen — 2 trades, buy: $0, sell: $0
- Smith Cynthia — 2 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company |
Type | Shares | Value |
| Jun 23, 2026 |
Pottage John C Jr |
SPRO Spero Therapeutics, Inc. |
OTHER |
20,000 |
N/A |
| Jun 23, 2026 |
Pottage John C Jr |
SPRO Spero Therapeutics, Inc. |
OTHER |
10,000 |
N/A |
| Jun 23, 2026 |
Jackson Scott Thomas |
SPRO Spero Therapeutics, Inc. |
OTHER |
20,000 |
N/A |
| Jun 23, 2026 |
Jackson Scott Thomas |
SPRO Spero Therapeutics, Inc. |
OTHER |
10,000 |
N/A |
| Jun 23, 2026 |
THOMAS FRANK E |
SPRO Spero Therapeutics, Inc. |
OTHER |
20,000 |
N/A |
| Jun 23, 2026 |
THOMAS FRANK E |
SPRO Spero Therapeutics, Inc. |
OTHER |
10,000 |
N/A |
| Jun 23, 2026 |
VINK PATRICK V.J.J. |
SPRO Spero Therapeutics, Inc. |
OTHER |
20,000 |
N/A |
| Jun 23, 2026 |
VINK PATRICK V.J.J. |
SPRO Spero Therapeutics, Inc. |
OTHER |
10,000 |
N/A |
| Jun 23, 2026 |
Smith Cynthia |
SPRO Spero Therapeutics, Inc. |
OTHER |
20,000 |
N/A |
| Jun 23, 2026 |
Smith Cynthia |
SPRO Spero Therapeutics, Inc. |
OTHER |
10,000 |
N/A |
| Jun 23, 2026 |
Tregoning Kathleen |
SPRO Spero Therapeutics, Inc. |
OTHER |
20,000 |
N/A |
| Jun 23, 2026 |
Tregoning Kathleen |
SPRO Spero Therapeutics, Inc. |
OTHER |
10,000 |
N/A |
| Jun 23, 2026 |
Deshpande Milind |
SPRO Spero Therapeutics, Inc. |
OTHER |
20,000 |
N/A |
| Jun 23, 2026 |
Deshpande Milind |
SPRO Spero Therapeutics, Inc. |
OTHER |
10,000 |
N/A |
| May 4, 2026 |
Rajavelu Esther |
SPRO Spero Therapeutics, Inc. |
SELL |
25,240 |
$63K |
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