Acorn Energy, Inc. (ACFN) has 20 known insider and institutional holders on record. The largest holder is Leap Tide Capital Acorn LLC with 4,372,017 shares. Other notable holders include Verition Fund Management LLC and MORGENSTERN SHLOMIE.
Over the last 12 months, insiders have made 12 transactions in ACFN stock — 6 buys (valued at $1.19M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
ACFN Insider Ownership
Top Holder
Leap Tide Capital Acorn LLC
4,372,017 shares
Buys (12 mo)
6
$1.19M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Leap Tide Capital Acorn Llc |
10 Percent Owner |
4,372,017 |
2019-07-02 |
|
| 2 |
Verition Fund Management Llc |
10 Percent Owner |
1,248,613 |
2014-02-19 |
|
| 3 |
Morgenstern Shlomie |
Vice President - Operations |
216,000 |
2004-08-23 |
|
| 4 |
Moore John A |
Director |
122,318 |
2016-05-16 |
|
| 5 |
Barth Michael |
Chief Financial Officer |
94,306 |
2016-12-27 |
|
| 6 |
Kaufman Yacov |
Vice President & CFO |
75,000 |
2005-01-10 |
|
| 7 |
Mckee Robert E Iii |
Director |
67,224 |
2015-01-05 |
|
| 8 |
Rimer Richard S |
Executive Vice President |
58,900 |
2013-08-19 |
|
| 9 |
Sassine Andy |
Director |
57,663 |
2014-09-24 |
|
| 10 |
Ledger Steven A |
Director |
50,000 |
2010-08-18 |
|
| 11 |
Neuwirth Jacob |
CEO, Pres. of Sub. Dsit |
47,870 |
2006-07-27 |
|
| 12 |
Musanti Joseph |
COO |
40,000 |
2014-10-06 |
|
| 13 |
Krause Sheldon |
Secretary & General Counsel |
39,000 |
2008-09-11 |
|
| 14 |
Giacco Richard |
Director |
32,000 |
2012-11-13 |
|
| 15 |
Czarnecki Walter Iv |
Omnimetrix Llc President & CEO |
30,000 |
2019-04-10 |
|
| 16 |
Loeb Jan H |
10 Percent Owner, Officer: President and CEO |
25,000 |
2026-01-21 |
|
| 17 |
Clouser Christopher E |
Director |
25,000 |
2018-01-03 |
|
| 18 |
Levine Elihu |
Director |
25,000 |
2006-03-29 |
|
| 19 |
Clifford Tracy Simmons |
CFO |
25,000 |
2026-01-21 |
|
| 20 |
Yurman Shane |
Director |
25,000 |
2006-03-29 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-02-05 |
Osterer Michael |
Director |
Option Exercise (Sell) |
625 |
$4.96 |
$3.1K |
| 2026-02-05 |
Mohr Gary |
Director |
Option Exercise (Sell) |
625 |
$4.96 |
$3.1K |
| 2026-02-05 |
Zentman Samuel M |
Director |
Option Exercise (Sell) |
625 |
$4.96 |
$3.1K |
| 2026-01-19 |
Rabover Peter |
Director |
RSU Award |
3,125 |
$19.02 |
$59.44K |
| 2026-01-19 |
Osterer Michael |
Director |
RSU Award |
3,125 |
$19.02 |
$59.44K |
| 2026-01-19 |
Mohr Gary |
Director |
RSU Award |
3,125 |
$19.02 |
$59.44K |
| 2026-01-19 |
Clifford Tracy Simmons |
CFO |
RSU Award |
25,000 |
$19.02 |
$475.5K |
| 2026-01-19 |
Zentman Samuel M |
Director |
RSU Award |
3,125 |
$19.02 |
$59.44K |
| 2026-01-19 |
Loeb Jan H |
10 Percent Owner, Officer: President and CEO |
RSU Award |
25,000 |
$19.02 |
$475.5K |
| 2025-08-04 |
Osterer Michael |
Director |
Option Exercise (Sell) |
1,562 |
$5.44 |
$8.5K |
| 2025-08-04 |
Mohr Gary |
Director |
Option Exercise (Sell) |
1,562 |
$5.44 |
$8.5K |
| 2025-05-09 |
Clifford Tracy Simmons |
CFO |
Option Exercise (Sell) |
1,875 |
$6.56 |
$12.3K |
