R. Don Elsey serves as Executive at Emergent BioSolutions Inc., where they oversee executive responsibilities. Since joining the company, R. Don Elsey has executed 125 insider transactions totaling $2.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 22, 2025 involved receiving (via award) 5,710 shares valued at $0.
R. Don Elsey currently holds 5,710 shares of Emergent BioSolutions Inc. (EBS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, R. Don Elsey has been a net seller of EBS stock. They have purchased $3.4K and sold $2.1M worth of shares.
R. Don Elsey's most recent insider trade was on Aug 22, 2025, when they sold 5,710 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Jun 7, 2023 | OPGN | $0 | Award | 1,500 | $N/A | Discretionary |
| Jun 9, 2022 | OPGN | $0 | Award | 15,000 | $N/A | Discretionary |
| Jun 9, 2021 | OPGN | $0 | Award | 15,000 | $N/A | Discretionary |
| May 1, 2019 | OPGN | $0 | Award | 30,000 | $N/A | Discretionary |
| Sep 11, 2018 | RGRX | $6.3K | Conversion | 104,456 | $0.06 | Discretionary |
| Mar 14, 2012 | EBS | $12.3K | Payment | 765 | $16.05 | Discretionary |
| Mar 13, 2012 | EBS | $0 | Award | 6,150 | $N/A | Discretionary |
| Mar 8, 2012 | EBS | $14.1K | Payment | 970 | $14.49 | Discretionary |
| Apr 15, 2011 | EBS | $359.6K | Sale | 14,385 | $25.00 | Discretionary |
| Apr 15, 2011 | EBS | $190.7K | Option Exercise | 14,385 | $13.26 | Discretionary |
| Mar 15, 2011 | EBS | $0 | Award | 7,350 | $N/A | Discretionary |
| Mar 8, 2011 | EBS | $20.5K | Payment | 970 | $21.15 | Discretionary |
| Apr 13, 2010 | EBS | $17.5K | Option Exercise | 5,000 | $3.50 | Discretionary |
| Mar 9, 2010 | EBS | $0 | Award | 9,319 | $N/A | Discretionary |
| Mar 11, 2009 | EBS | $5.9K | Sale | 300 | $19.66 | Discretionary |
| Mar 11, 2009 | EBS | $2.0K | Sale | 100 | $19.63 | Discretionary |
| Mar 11, 2009 | EBS | $2.0K | Sale | 100 | $19.62 | Discretionary |
| Mar 11, 2009 | EBS | $5.9K | Sale | 300 | $19.61 | Discretionary |
| Mar 11, 2009 | EBS | $3.9K | Sale | 200 | $19.60 | Discretionary |
| Mar 11, 2009 | EBS | $29.4K | Sale | 1,500 | $19.59 | Discretionary |
| Mar 11, 2009 | EBS | $2.0K | Sale | 100 | $19.57 | Discretionary |
| Mar 11, 2009 | EBS | $5.9K | Sale | 300 | $19.57 | Discretionary |
| Mar 11, 2009 | EBS | $2.0K | Sale | 100 | $19.54 | Discretionary |
| Mar 11, 2009 | EBS | $2.0K | Sale | 100 | $19.51 | Discretionary |
| Mar 11, 2009 | EBS | $1.9K | Sale | 100 | $19.50 | Discretionary |
| Mar 11, 2009 | EBS | $4.0K | Sale | 200 | $19.89 | Discretionary |
| Mar 11, 2009 | EBS | $2.0K | Sale | 100 | $19.89 | Discretionary |
| Mar 11, 2009 | EBS | $6.0K | Sale | 300 | $19.88 | Discretionary |