William Hartzel

EBS

William Hartzel serves as SVP, Bioservices at Emergent BioSolutions Inc. (EBS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

11 trades

$138.6K

Net Position

Net Seller

$138.6K

Companies Traded

EBS

Active Period

Nov 2023 – Feb 2026

11 total trades

Most Recent

Sell EBS

Feb 6, 2026 · $69.9K

William Hartzel's Insider Trading at Emergent BioSolutions Inc. (EBS)

Buys

0 · $0.00

Sells

11 · $138.6K

Total Shares Bought

Total Shares Sold

16,736

EBS Price Chart

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Date	Type	Shares	Avg Price	Value
Feb 6, 2026	Sell	6,401	$10.92	$69.9K
Nov 11, 2025	Sell	610	$10.88	$6.6K
Jul 11, 2025	Sell	4,263	$7.36	$31.4K
Jun 8, 2025	Sell	1,167	$6.63	$7.7K
Apr 7, 2025	Sell	561	$4.44	$2.5K
Mar 5, 2025	Sell	292	$5.80	$1.7K
Nov 11, 2024	Sell	632	$11.97	$7.6K
Jun 8, 2024	Sell	1,167	$6.19	$7.2K
Apr 7, 2024	Sell	665	$2.29	$1.5K
Mar 5, 2024	Sell	346	$3.41	$1.2K
Nov 11, 2023	Sell	632	$2.00	$1.3K