Company profile
Emergent BioSolutions Inc. Insider Trading
EBSEvery SEC Form 4 insider trading filing for Emergent BioSolutions Inc. (EBS) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Pharmaceutical Preparations
- CIK
- 0001367644
- Filings
- 146
- Insiders
- 21
- Last filing
- 2026-07-01
Activity summary
No insider transactions in the last 30 days. The most recent was on July 1, 2026, when Paul Anthony Williams sold 3,000 shares. 146 filings from 21 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Emergent BioSolutions Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $2.0M.
90 day insight
Over the last 90 days, Emergent BioSolutions Inc. insiders filed 1 Form 4 transaction, none of which were open-market purchases or sales.
- Most active insider: Paul Anthony Williams with 1 transaction totaling $25K.
- Largest single sale: $25K by Paul Anthony Williams on Jul 1, 2026.
- 100% of recent sales were pre-scheduled 10b5-1 trades, typically less informative than open-market activity.
Activity skews bullish: buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 1, 2026 | Paul Anthony Williams | EBS | Sale10b5 | 3,000 | $8.40 | $25K |
| Jun 8, 2026 | Paul Anthony Williams | EBS | Tax Withholding | 694 | $8.00 | $6K |
| Jun 8, 2026 | Coleen Glessner | EBS | Tax Withholding | 2,018 | $8.00 | $16K |
| Jun 8, 2026 | Richard S Lindahl | EBS | Tax Withholding | 3,964 | $8.00 | $32K |
| Jun 8, 2026 | William Hartzel | EBS | Tax Withholding | 1,741 | $8.00 | $14K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Emergent BioSolutions Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →