Natarajan Ramanan
Chief Technology Officer · Energy Recovery, Inc.
- 2026
- Mar 6, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Natarajan Ramanan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Arve Hanstveit - $2.51M in ERII purchases and sales in the last 12 months
- William Yeung - $502K in ERII purchases and sales in the last 12 months
- Rodney Clemente - $275K in ERII purchases and sales in the last 12 months
- Pamela L. Tondreau - $167K in ERII purchases and sales in the last 12 months
- Alexander J. Buehler - $130K in ERII purchases and sales in the last 12 months
- Colin R. Sabol - $99K in ERII purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is Natarajan Ramanan?
Natarajan Ramanan is a corporate insider, tracked as Chief Technology Officer of Energy Recovery, Inc. (ERII). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Natarajan Ramanan last file a Form 4?
The most recent primary Form 4 on record is dated 6 March 2026, one of 3 filings going back to 2026.
Has Natarajan Ramanan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($3K) across all tracked filings.
