InsiderTrades

ZENTMAN SAMUEL M

SEC CIK 1309349 · EDGAR

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
GRMLGreenland Mines LtdDir 1.09M — — 22025-08-052026-03-04
ACFNACORN ENERGY, INC.Dir 7,242 — — 52022-11-222026-02-05

Most active insiders at GRML, 12 months

#InsiderTitleBoughtSold
1 LeBlanc JeffCFO $381.4K—
2 Sawyer Jason DavidDir $55.9K—
3 El-Dada Riad HusseinDir —$40.5K
4 McGarity JonDir $24.8K—
5 SINKULE JOSEPHCEO, Dir ——
6 Hirschman ShalomDir ——
7 ZENTMAN SAMUEL MDir ——

Transactions 7

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-03-06 2026-03-04 GRML Greenland Mines Ltd ZENTMAN SAMUEL M Dir A - Grant — +350.0K 1.09M +48% —
D 2026-02-09 2026-02-05 ACFN ACORN ENERGY, INC. ZENTMAN SAMUEL M Dir M - OptEx $4.96 +625 7,242 +9% +$3,100
D 2025-08-08 2025-08-05 GRML Greenland Mines Ltd ZENTMAN SAMUEL M Dir A - Grant — +153.5K 736.4K +26% —
D 2024-11-25 2024-11-22 ACFN ACORN ENERGY, INC. ZENTMAN SAMUEL M Dir M - OptEx $3.68 +625 6,617 +10% +$2,300
D 2024-01-31 2024-01-01 ACFN ACORN ENERGY, INC. ZENTMAN SAMUEL M Dir F - Tax $6.09 -296 90.9K -0.3% -$1,803
D 2024-01-31 2024-01-01 ACFN ACORN ENERGY, INC. ZENTMAN SAMUEL M Dir M - OptEx $2.88 +625 91.2K +0.7% +$1,800
D 2022-11-22 2022-11-22 ACFN ACORN ENERGY, INC. ZENTMAN SAMUEL M Dir M - OptEx $0.14 +10.0K 90.6K +12% +$1,400

Purchase Sale Sale after option exercise All abbreviations