InsiderTrades

Ramanan Natarajan

SEC CIK 2058874 · EDGAR

Buying vs selling by month open-market trades, last 24 months, ERII
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ERIIEnergy Recovery, Inc.CTO 52.6K — $2,875 42025-03-032026-03-05

Most active insiders at ERII, 12 months

#InsiderTitleBoughtSold
1 Hanstveit ArveDir —$2.95M
2 Yeung WilliamCLO —$558.8K
3 Clemente RodneySVP, Water —$274.9K
4 TONDREAU PAMELA L.Dir $166.8K—
5 BUEHLER ALEXANDER JCEO, Interim Pres, Dir —$129.8K
6 Sabol Colin RDir $99.3K—
7 Ramanan NatarajanCTO —$2,875
8 Mitchell John JosephDir ——
9 Ryan AidanInterim CFO ——
10 Hostetler MatthewCHRO ——

Transactions 4

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-03-06 2026-03-05 ERII Energy Recovery, Inc. Ramanan Natarajan CTO S - Sale $10.57 -272 52.6K -0.5% -$2,875
2026-03-04 2026-03-03 ERII Energy Recovery, Inc. Ramanan Natarajan CTO F - Tax $10.22 -2,724 52.8K -5% -$27.8K
2026-02-19 2026-02-17 ERII Energy Recovery, Inc. Ramanan Natarajan CTO A - Grant $0.00 +29.1K 55.6K +110% $0
D 2025-03-12 2025-03-03 ERII Energy Recovery, Inc. Ramanan Natarajan CTO A - Grant — +26.5K 26.5K New —

Purchase Sale Sale after option exercise All abbreviations