Haiyan Song Biography and Net Worth

Director of Eos Energy Enterprises

Haiyan Song is a seasoned technology and business executive with nearly three decades of experience spanning enterprise software, cloud infrastructure, cybersecurity, and SaaS. She recently served as Executive Vice President and General Manager of the CloudOps Business at NetApp, where she drove the consolidation and repositioning of the Cloud and Cloud operations business, laying the foundation for the company's rapid growth in its Cloud business.

Prior to NetApp, Haiyan was Executive Vice President and General Manager of Security and Distributed Cloud at F5, playing a central role in developing and launching F5’s Distributed Cloud Platform and Security Services. Before F5, she spent nearly seven years at Splunk as Senior Vice President and General Manager of Security Markets, building and scaling the security business from $100 million to over $1.6 billion in annual revenue. During her tenure, she was recognized as one of the "Most Influential Women in Business" by the San Francisco Business Times. Earlier in her career, she served as Vice President and General Manager of the ArcSight business unit at Hewlett Packard Enterprise and held engineering leadership roles at various startups including ArcSight, SenSage, and Escalate. She began her career at IBM/Informix as a security researcher and ascended to manage an extensive portfolio of products.

Haiyan currently serves on the boards of portfolio companies for TPG and Vista Equity Partners. She previously served on the boards of CSG Systems International and LLamasoft prior to their successful exits, bringing deep technical and commercial expertise to governance and strategic oversight.

Haiyan holds a Bachelor of Science and a Master of Science in Computer Science from Florida Atlantic University. She also studied at Tsinghua University in Beijing and completed the Stanford University Graduate School of Business Executive Program in General Management.

What is Haiyan Song's net worth?: The estimated net worth of Haiyan Song is at least $57.30 thousand as of September 14th, 2026. Mr. Song owns 15,000 shares of Eos Energy Enterprises stock worth more than $57,300 as of September 15th. This net worth estimate does not reflect any other assets that Mr. Song may own. Learn More about Haiyan Song's net worth.
How do I contact Haiyan Song?: The corporate mailing address for Mr. Song and other Eos Energy Enterprises executives is Two Allegheny Center, Nova Tower 2, Pittsburgh, PA, 15212. Eos Energy Enterprises can also be reached via phone at 732-225-8400 and via email at [email protected]. Learn More on Haiyan Song's contact information.
Has Haiyan Song been buying or selling shares of Eos Energy Enterprises?: During the last ninety days, Haiyan Song has bought $19,200.00 in Eos Energy Enterprises stock. Most recently, on Monday, September 14th, Haiyan Song bought 5,000 shares of Eos Energy Enterprises stock. The stock was acquired at an average cost of $3.84 per share, with a total value of $19,200.00. Following the completion of the transaction, the director now directly owns 15,000 shares of the company's stock, valued at $57,600. Learn More on Haiyan Song's trading history.
Who are Eos Energy Enterprises' active insiders?: Eos Energy Enterprises' insider roster includes Melissa Berube (General Counsel), Jeffrey Bornstein (Director), Michelle Buczkowski (Chief Administration Officer), Claude Demby (Director), Alexander Dimitrief (Director), Randall Gonzales (CFO), Nathan Kroeker (Chief Commercial Officer), Joe Mastrangelo (CEO), Sumeet Puri (CAO), Michael Silberman (General Counsel), Haiyan Song (Director), Russell Stidolph (Director), John Tedone (CAO), David Urban (Director), and Marian Walters (Director). Learn More on Eos Energy Enterprises' active insiders.
Are insiders buying or selling shares of Eos Energy Enterprises?: In the last twelve months, Eos Energy Enterprises insiders bought shares 5 times. They purchased a total of 120,150 shares worth more than $712,162.00. In the last twelve months, insiders at the sold shares 16 times. They sold a total of 1,398,275 shares worth more than $15,827,493.66. The most recent insider tranaction occured on September, 14th when Director Haiyan Song bought 5,000 shares worth more than $19,200.00. Insiders at Eos Energy Enterprises own 1.7% of the company. Learn More about insider trades at Eos Energy Enterprises.
Information on this page was last updated on 9/14/2026.

Haiyan Song Insider Trading History at Eos Energy Enterprises

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
9/14/2026	Buy	5,000	$3.84	$19,200.00	15,000

Haiyan Song Buying and Selling Activity at Eos Energy Enterprises

Eos Energy Enterprises Company Overview

Eos Energy Enterprises, Inc. designs, manufactures, and markets zinc-based energy storage solutions for utility-scale, microgrid, and commercial and industrial (C&I) applications in the United States. The company offers Znyth technology battery energy storage system (BESS), which provides the operating flexibility to manage increased grid complexity and price volatility. Its flagship product is Gen 2.3 battery module. In addition, the company offers Z3 battery module that provides utilities, independent power producers, renewables developers, and C&I customers with an alternative to lithium-ion and lead-acid monopolar batteries for critical 3- to 12-hour discharge duration applications; battery management system, which provides a remote asset monitoring capability and service to track the performance and health of BESS and identify future system performance issues through predictive analytics; and project management and commissioning services, as well as long-term maintenance plans. Eos Energy Enterprises, Inc. is headquartered in Edison, New Jersey.

Today's Range

Now: $3.91

$3.87

$4.00

50 Day Range

MA: $3.87

$3.04

$4.73

2 Week Range

Now: $3.91

$3.01

$19.86

Volume

881,460 shs

Average Volume

25,494,096 shs

Market Capitalization

$1.42 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.77