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Rajavelu Esther

9 Form 4 · free tier: 48h delay

Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).

For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.

Recent Form 4 trades

Open-market purchases and sales

9 tx · 8 groups

1 trade in the last 48h is Pro-only

SPRO · Trade · Nov 9, 2026 · Filed · Nov 10, 2026

Pro

Spero Therapeutics, Inc.

SPRO · Trade · May 4, 2026 · Filed · May 6, 2026 · filed 2 days after trade

$63,352

25,240 sh

Sell

Spero Therapeutics, Inc.

SPRO · Trade · Feb 6, 2026 · Filed · Feb 9, 2026 · filed 3 days after trade

$207,484

87,917 sh · 2 tx

Sell

Spero Therapeutics, Inc.

SPRO · Trade · Feb 2, 2026 · Filed · Feb 4, 2026 · filed 2 days after trade

$40,572

18,442 sh

Sell

Spero Therapeutics, Inc.

SPRO · Trade · Nov 7, 2025 · Filed · Nov 12, 2025 · filed 5 days after trade

$95,440

40,270 sh

Sell

Spero Therapeutics, Inc.

SPRO · Trade · Feb 5, 2025 · Filed · Feb 5, 2025

$16,137

20,689 sh

Sell

Spero Therapeutics, Inc.

SPRO · Trade · Nov 8, 2024 · Filed · Nov 12, 2024 · filed 4 days after trade

$22,419

17,245 sh

Sell

Spero Therapeutics, Inc.

SPRO · Trade · Nov 7, 2024 · Filed · Nov 12, 2024 · filed 5 days after trade

$30,590

23,351 sh

Sell