Esther Rajavelu insider trades: Spero Therapeutics (SPRO) stock sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Esther reports to the SEC
Open-market buys and sales
6 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| May 4, 2026 | SPRO | ↓ Sell | 25,240 | $2.51 | $63K | Direct | May 6, 2026 (2d) |
| Feb 6, 2026 | SPRO | ↓ Sell | 87,917 | $2.36 | $207K | Direct | Feb 9, 2026 (3d) |
| Feb 2, 2026 | SPRO | ↓ Sell | 18,442 | $2.20 | $41K | Direct | Feb 4, 2026 (2d) |
| Nov 7, 2025 | SPRO | ↓ Sell | 40,270 | $2.37 | $95K | Direct | Nov 12, 2025 (5d) |
| Feb 5, 2025 | SPRO | ↓ Sell | 20,689 | $0.78 | $16K | Direct | Feb 5, 2025 (0d) |
| Nov 8, 2024 | SPRO | ↓ Sell | 40,596 | $1.31 | $53K | Direct | Nov 12, 2024 (4d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other SPRO insiders
Open-market trades in the last 12 months
About Esther Rajavelu's insider trades
Esther Rajavelu is See Remarks at Spero Therapeutics (SPRO). Since Nov 8, 2024, Esther has reported no open-market purchases and 6 sales worth $476K on SEC Form 4. In the last 12 months: 4 sales ($407K).
Their filings also include grants and awards (7 filings). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every SPRO insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.