Energy Focus Inc (EFOI)

Energy Focus Inc. experienced notable insider trading activity, specifically multiple share acquisitions by CEO Huang Chiao Chieh throughout 2025. The most recent transaction occurred on November 26, 2025. These purchases represent the primary recent movement, as no further activity has been recorded within the last three months.
Ticker: EFOI Exchange: NAS


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Insider trades have triggered activity signals for Energy Focus Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.2
Huang Chiao Chieh Chief Executive Officer Executive Director Large shareholder
Transaction date
Purchase
Price
256.99
Quantity 33,513 +20.6%
Value US$1,666,960
3.2
Huang Chiao Chieh Chief Executive Officer Executive Director Large shareholder
Transaction date
Purchase
Price
445.39
Quantity 4,527 -10.0%
Value US$1,862,323
3.2
Huang Chiao Chieh Chief Executive Officer Executive Director Large shareholder
Transaction date
Purchase
Price
21.38
Quantity 38,752 +27.8%
Value US$3,444,115
3.2
Huang Chiao Chieh Chief Executive Officer Executive Director Large shareholder
Transaction date
Purchase
Price
1.93
Quantity 103,627 +15.2%
Value US$200,000
3.7
NESTOR TOD A President, CFO Officer
Transaction date
Purchase
Price
0.37
Quantity 42,470 +39.5%
Value US$15,599
3.7
NESTOR TOD A President, CFO Officer
Transaction date
Purchase
Price
0.37
Quantity 55,830 +108.0%
Value US$20,624
3.7
NESTOR TOD A President, CFO Officer
Transaction date
Purchase
Price
0.32
Quantity 51,700 +inf%
Value US$16,482
3.4
Politziner Philip Non-Executive Director
Transaction date
Purchase
Price
0.31
Quantity 32,000 +160.0%
Value US$9,920
Tewksbury Ted L III Chairman, CEO & President Executive Director
Transaction date
Purchase
Price
3.13
Quantity 3,333 +100.0%
Value US$10,445
Tewksbury Ted L III Chairman, CEO & President Executive Director
Transaction date
Purchase
Price
3.14
Quantity 3,333 +inf%
Value US$10,451
White Bradley Brian CFO & Secretary
Transaction date
Purchase
Price
3.12
Quantity 1,075 +inf%
Value US$3,354
White Bradley Brian CFO & Secretary
Transaction date
Purchase
Price
3.12
Quantity 975 +inf%
Value US$3,042
White Bradley Brian CFO & Secretary
Transaction date
Purchase
Price
3.13
Quantity 1,600 +inf%
Value US$5,008
Cohen William Non-Executive Director
Transaction date
Purchase
Price
7.88
Quantity 1,259 +inf%
Value US$9,921
Ramelot Michael Rush Non-Executive Director
Transaction date
Purchase
Price
8.05
Quantity 3,000 +inf%
Value US$24,150
Luo Jiangang Non-Executive Director
Transaction date
Sale
Price
15.98
Quantity 391,304 -43.0%
Value US$6,253,038
Huang Gina Large shareholder
Transaction date
Sale
Price
15.98
Quantity 434,783 -51.0%
Value US$6,947,832
Bright Horizon Partners Inc. Large shareholder
Transaction date
Sale
Price
15.98
Quantity 391,304 -38.0%
Value US$6,253,038
Bright Horizon Partners Inc. Large shareholder
Transaction date
Sale
Price
4.00
Quantity 100,000 -8.8%
Value US$400,000
Huang Gina Large shareholder
Transaction date
Purchase
Price
4.50
Quantity 200,000 +33.3%
Value US$900,000
Gelbaum David Large shareholder
Transaction date
Sale
Price
0.19
Quantity 2,400 -0.2%
Value US$444
Gelbaum David Former 10% Owner
Transaction date
Sale
Price
0.40
Quantity 3,965,000 -77.7%
Value US$1,586,000
Gelbaum David Large shareholder
Transaction date
Sale
Price
0.42
Quantity 3,500 -0.1%
Value US$1,464
Gelbaum David Large shareholder
Transaction date
Sale
Price
0.42
Quantity 7,800 -0.2%
Value US$3,312
Gelbaum David Large shareholder
Transaction date
Sale
Price
0.34
Quantity 20,000 -0.4%
Value US$6,834
Gelbaum David Large shareholder
Transaction date
Sale
Price
0.51
Quantity 2,500 -0.0%
Value US$1,267
Gelbaum David Large shareholder
Transaction date
Sale
Price
0.70
Quantity 8,000 -0.2%
Value US$5,602
Gelbaum David Large shareholder
Transaction date
Sale
Price
0.70
Quantity 8,500 -0.2%
Value US$5,965
Gelbaum David Large shareholder
Transaction date
Sale
Price
0.74
Quantity 16,000 -0.3%
Value US$11,912
Gelbaum David Non-Executive Director Large shareholder
Transaction date
Sale
Price
1.15
Quantity 18,000 -0.4%
Value US$20,675
Gelbaum David Non-Executive Director Large shareholder
Transaction date
Sale
Price
1.13
Quantity 24,500 -0.5%
Value US$27,714
Gelbaum David Non-Executive Director Large shareholder
Transaction date
Sale
Price
1.25
Quantity 80,000 -1.5%
Value US$100,104
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.14
Quantity 86,200 -1.6%
Value US$98,475
Gelbaum David Non-Executive Director Large shareholder
Transaction date
Sale
Price
1.00
Quantity 6,500 -0.1%
Value US$6,515
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 23,300 -0.4%
Value US$23,400
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.01
Quantity 6,500 -0.1%
Value US$6,532
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.01
Quantity 42,000 -0.8%
Value US$42,256
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.06
Quantity 41,300 -0.8%
Value US$43,939
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.05
Quantity 68,500 -1.3%
Value US$72,083
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.01
Quantity 15,000 -0.3%
Value US$15,075
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.06
Quantity 2,000 -0.0%
Value US$2,120
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 12,500 -0.2%
Value US$12,500
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 9,000 -0.2%
Value US$9,000
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 5,500 -0.1%
Value US$5,500
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 12,200 -0.2%
Value US$12,200
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.01
Quantity 5,000 -0.1%
Value US$5,050
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.01
Quantity 10,000 -0.2%
Value US$10,056
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 22,600 -0.4%
Value US$22,645
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.01
Quantity 10,000 -0.2%
Value US$10,100
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 14,000 -0.3%
Value US$14,001
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.02
Quantity 14,500 -0.3%
Value US$14,819
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.01
Quantity 10,000 -0.2%
Value US$10,102
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 6,700 -0.1%
Value US$6,713
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 4,400 -0.1%
Value US$4,400
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.00
Quantity 17,700 -0.3%
Value US$17,764
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.10
Quantity 10,500 -0.2%
Value US$11,550
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.01
Quantity 50,000 -0.9%
Value US$50,735
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.10
Quantity 9,000 -0.2%
Value US$9,909
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.10
Quantity 10,700 -0.2%
Value US$11,770
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.10
Quantity 7,500 -0.1%
Value US$8,253
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.19
Quantity 121,500 -2.1%
Value US$144,852
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.15
Quantity 15,000 -0.3%
Value US$17,230
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.14
Quantity 7,500 -0.1%
Value US$8,535
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.12
Quantity 7,500 -0.1%
Value US$8,416
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.16
Quantity 11,000 -0.2%
Value US$12,713
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.11
Quantity 7,500 -0.1%
Value US$8,330
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.13
Quantity 9,000 -0.2%
Value US$10,171
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.15
Quantity 7,500 -0.1%
Value US$8,625
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.12
Quantity 6,500 -0.1%
Value US$7,305
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.11
Quantity 9,600 -0.2%
Value US$10,685
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.10
Quantity 7,500 -0.1%
Value US$8,282
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.18
Quantity 6,000 -0.1%
Value US$7,103
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.16
Quantity 4,500 -0.1%
Value US$5,217
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.13
Quantity 13,000 -0.2%
Value US$14,691
Gelbaum David Large shareholder
Transaction date
Sale
Price
1.20
Quantity 9,000 -0.2%
Value US$10,836
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-12-31 2025-11-26 B Purchase

Chief Executive Officer

Executive Director Large shareholder
33,513 +20.6%
256.99
US$1,666,960
33,513 +20.6% 256.99 US$1,666,960
2025-08-19 2025-08-15 B Purchase

Chief Executive Officer

Executive Director Large shareholder
4,527 -10.0%
445.39
US$1,862,323
4,527 -10.0% 445.39 US$1,862,323
2025-06-23 2025-06-23 B Purchase

Chief Executive Officer

Executive Director Large shareholder
38,752 +27.8%
21.38
US$3,444,115
38,752 +27.8% 21.38 US$3,444,115
2025-06-23 2025-03-27 B Purchase

Chief Executive Officer

Executive Director Large shareholder
103,627 +15.2%
1.93
US$200,000
103,627 +15.2% 1.93 US$200,000
2020-04-15 2020-04-15 B Purchase

President, CFO

Officer
42,470 +39.5%
0.37
US$15,599
42,470 +39.5% 0.37 US$15,599
2020-04-15 2020-04-14 B Purchase

President, CFO

Officer
55,830 +108.0%
0.37
US$20,624
55,830 +108.0% 0.37 US$20,624
2020-04-15 2020-04-13 B Purchase

President, CFO

Officer
51,700 +inf%
0.32
US$16,482
51,700 +inf% 0.32 US$16,482
2020-04-15 2020-04-13 B Purchase Non-Executive Director
32,000 +160.0%
0.31
US$9,920
32,000 +160.0% 0.31 US$9,920
2017-05-19 2017-05-19 B Purchase Tewksbury Ted L III

Chairman, CEO & President

Executive Director
3,333 +100.0%
3.13
US$10,445
3,333 +100.0% 3.13 US$10,445
2017-05-16 2017-05-08 B Purchase Tewksbury Ted L III

Chairman, CEO & President

Executive Director
3,333 +inf%
3.14
US$10,451
3,333 +inf% 3.14 US$10,451
2017-03-13 2017-03-10 B Purchase White Bradley Brian

CFO & Secretary

1,075 +inf%
3.12
US$3,354
1,075 +inf% 3.12 US$3,354
2017-03-13 2017-03-10 B Purchase White Bradley Brian

CFO & Secretary

975 +inf%
3.12
US$3,042
975 +inf% 3.12 US$3,042
2017-03-13 2017-03-10 B Purchase White Bradley Brian

CFO & Secretary

1,600 +inf%
3.13
US$5,008
1,600 +inf% 3.13 US$5,008
2016-04-27 2016-03-14 B Purchase Cohen William Non-Executive Director
1,259 +inf%
7.88
US$9,921
1,259 +inf% 7.88 US$9,921
2016-03-16 2016-03-14 B Purchase Ramelot Michael Rush Non-Executive Director
3,000 +inf%
8.05
US$24,150
3,000 +inf% 8.05 US$24,150
2015-09-18 2015-09-16 S Sale Luo Jiangang Non-Executive Director
391,304 -43.0%
15.98
US$6,253,038
391,304 -43.0% 15.98 US$6,253,038
2015-09-18 2015-09-16 S Sale Huang Gina Large shareholder
434,783 -51.0%
15.98
US$6,947,832
434,783 -51.0% 15.98 US$6,947,832
2015-09-18 2015-09-16 S Sale Bright Horizon Partners Inc. Large shareholder
391,304 -38.0%
15.98
US$6,253,038
391,304 -38.0% 15.98 US$6,253,038
2015-04-02 2015-04-01 S Sale Bright Horizon Partners Inc. Large shareholder
100,000 -8.8%
4.00
US$400,000
100,000 -8.8% 4.00 US$400,000
2015-01-28 2015-01-20 B Purchase Huang Gina Large shareholder
200,000 +33.3%
4.50
US$900,000
200,000 +33.3% 4.50 US$900,000
2012-01-09 2012-01-06 S Sale Gelbaum David Large shareholder
2,400 -0.2%
0.19
US$444
2,400 -0.2% 0.19 US$444
2011-06-29 2011-06-27 S Sale Gelbaum David

Former 10% Owner

3,965,000 -77.7%
0.40
US$1,586,000
3,965,000 -77.7% 0.40 US$1,586,000
2011-06-17 2011-06-17 S Sale Gelbaum David Large shareholder
3,500 -0.1%
0.42
US$1,464
3,500 -0.1% 0.42 US$1,464
2011-06-17 2011-06-16 S Sale Gelbaum David Large shareholder
7,800 -0.2%
0.42
US$3,312
7,800 -0.2% 0.42 US$3,312
2011-06-17 2011-06-15 S Sale Gelbaum David Large shareholder
20,000 -0.4%
0.34
US$6,834
20,000 -0.4% 0.34 US$6,834
2011-06-17 2011-06-14 S Sale Gelbaum David Large shareholder
2,500 -0.0%
0.51
US$1,267
2,500 -0.0% 0.51 US$1,267
2011-05-10 2011-05-06 S Sale Gelbaum David Large shareholder
8,000 -0.2%
0.70
US$5,602
8,000 -0.2% 0.70 US$5,602
2011-05-10 2011-05-05 S Sale Gelbaum David Large shareholder
8,500 -0.2%
0.70
US$5,965
8,500 -0.2% 0.70 US$5,965
2011-05-10 2011-05-04 S Sale Gelbaum David Large shareholder
16,000 -0.3%
0.74
US$11,912
16,000 -0.3% 0.74 US$11,912
2011-03-31 2011-03-31 S Sale Gelbaum David Non-Executive Director Large shareholder
18,000 -0.4%
1.15
US$20,675
18,000 -0.4% 1.15 US$20,675
2011-03-31 2011-03-30 S Sale Gelbaum David Non-Executive Director Large shareholder
24,500 -0.5%
1.13
US$27,714
24,500 -0.5% 1.13 US$27,714
2011-03-31 2011-03-29 S Sale Gelbaum David Non-Executive Director Large shareholder
80,000 -1.5%
1.25
US$100,104
80,000 -1.5% 1.25 US$100,104
2011-03-10 2011-03-09 S Sale Gelbaum David Large shareholder
86,200 -1.6%
1.14
US$98,475
86,200 -1.6% 1.14 US$98,475
2011-03-01 2011-02-24 S Sale Gelbaum David Non-Executive Director Large shareholder
6,500 -0.1%
1.00
US$6,515
6,500 -0.1% 1.00 US$6,515
2011-02-24 2011-02-23 S Sale Gelbaum David Large shareholder
23,300 -0.4%
1.00
US$23,400
23,300 -0.4% 1.00 US$23,400
2011-02-24 2011-02-22 S Sale Gelbaum David Large shareholder
6,500 -0.1%
1.01
US$6,532
6,500 -0.1% 1.01 US$6,532
2011-02-03 2011-01-31 S Sale Gelbaum David Large shareholder
42,000 -0.8%
1.01
US$42,256
42,000 -0.8% 1.01 US$42,256
2011-01-18 2011-01-18 S Sale Gelbaum David Large shareholder
41,300 -0.8%
1.06
US$43,939
41,300 -0.8% 1.06 US$43,939
2011-01-18 2011-01-14 S Sale Gelbaum David Large shareholder
68,500 -1.3%
1.05
US$72,083
68,500 -1.3% 1.05 US$72,083
2011-01-18 2011-01-13 S Sale Gelbaum David Large shareholder
15,000 -0.3%
1.01
US$15,075
15,000 -0.3% 1.01 US$15,075
2011-01-06 2011-01-05 S Sale Gelbaum David Large shareholder
2,000 -0.0%
1.06
US$2,120
2,000 -0.0% 1.06 US$2,120
2011-01-06 2011-01-04 S Sale Gelbaum David Large shareholder
12,500 -0.2%
1.00
US$12,500
12,500 -0.2% 1.00 US$12,500
2010-12-29 2010-12-21 S Sale Gelbaum David Large shareholder
9,000 -0.2%
1.00
US$9,000
9,000 -0.2% 1.00 US$9,000
2010-12-17 2010-12-16 S Sale Gelbaum David Large shareholder
5,500 -0.1%
1.00
US$5,500
5,500 -0.1% 1.00 US$5,500
2010-12-17 2010-12-15 S Sale Gelbaum David Large shareholder
12,200 -0.2%
1.00
US$12,200
12,200 -0.2% 1.00 US$12,200
2010-12-15 2010-12-14 S Sale Gelbaum David Large shareholder
5,000 -0.1%
1.01
US$5,050
5,000 -0.1% 1.01 US$5,050
2010-12-15 2010-12-13 S Sale Gelbaum David Large shareholder
10,000 -0.2%
1.01
US$10,056
10,000 -0.2% 1.01 US$10,056
2010-12-15 2010-12-10 S Sale Gelbaum David Large shareholder
22,600 -0.4%
1.00
US$22,645
22,600 -0.4% 1.00 US$22,645
2010-12-15 2010-12-02 S Sale Gelbaum David Large shareholder
10,000 -0.2%
1.01
US$10,100
10,000 -0.2% 1.01 US$10,100
2010-12-01 2010-11-30 S Sale Gelbaum David Large shareholder
14,000 -0.3%
1.00
US$14,001
14,000 -0.3% 1.00 US$14,001
2010-12-01 2010-11-29 S Sale Gelbaum David Large shareholder
14,500 -0.3%
1.02
US$14,819
14,500 -0.3% 1.02 US$14,819
2010-12-01 2010-11-26 S Sale Gelbaum David Large shareholder
10,000 -0.2%
1.01
US$10,102
10,000 -0.2% 1.01 US$10,102
2010-11-24 2010-11-24 S Sale Gelbaum David Large shareholder
6,700 -0.1%
1.00
US$6,713
6,700 -0.1% 1.00 US$6,713
2010-11-24 2010-11-23 S Sale Gelbaum David Large shareholder
4,400 -0.1%
1.00
US$4,400
4,400 -0.1% 1.00 US$4,400
2010-11-24 2010-11-22 S Sale Gelbaum David Large shareholder
17,700 -0.3%
1.00
US$17,764
17,700 -0.3% 1.00 US$17,764
2010-11-18 2010-11-18 S Sale Gelbaum David Large shareholder
10,500 -0.2%
1.10
US$11,550
10,500 -0.2% 1.10 US$11,550
2010-12-17 2010-11-17 S Sale Gelbaum David Large shareholder
50,000 -0.9%
1.01
US$50,735
50,000 -0.9% 1.01 US$50,735
2010-11-18 2010-11-17 S Sale Gelbaum David Large shareholder
9,000 -0.2%
1.10
US$9,909
9,000 -0.2% 1.10 US$9,909
2010-11-18 2010-11-16 S Sale Gelbaum David Large shareholder
10,700 -0.2%
1.10
US$11,770
10,700 -0.2% 1.10 US$11,770
2010-11-15 2010-11-15 S Sale Gelbaum David Large shareholder
7,500 -0.1%
1.10
US$8,253
7,500 -0.1% 1.10 US$8,253
2010-11-15 2010-11-12 S Sale Gelbaum David Large shareholder
121,500 -2.1%
1.19
US$144,852
121,500 -2.1% 1.19 US$144,852
2010-11-15 2010-11-11 S Sale Gelbaum David Large shareholder
15,000 -0.3%
1.15
US$17,230
15,000 -0.3% 1.15 US$17,230
2010-11-10 2010-11-10 S Sale Gelbaum David Large shareholder
7,500 -0.1%
1.14
US$8,535
7,500 -0.1% 1.14 US$8,535
2010-11-10 2010-11-08 S Sale Gelbaum David Large shareholder
7,500 -0.1%
1.12
US$8,416
7,500 -0.1% 1.12 US$8,416
2010-11-05 2010-11-05 S Sale Gelbaum David Large shareholder
11,000 -0.2%
1.16
US$12,713
11,000 -0.2% 1.16 US$12,713
2010-11-05 2010-11-04 S Sale Gelbaum David Large shareholder
7,500 -0.1%
1.11
US$8,330
7,500 -0.1% 1.11 US$8,330
2010-11-05 2010-11-03 S Sale Gelbaum David Large shareholder
9,000 -0.2%
1.13
US$10,171
9,000 -0.2% 1.13 US$10,171
2010-11-03 2010-11-01 S Sale Gelbaum David Large shareholder
7,500 -0.1%
1.15
US$8,625
7,500 -0.1% 1.15 US$8,625
2010-11-03 2010-10-29 S Sale Gelbaum David Large shareholder
6,500 -0.1%
1.12
US$7,305
6,500 -0.1% 1.12 US$7,305
2010-10-26 2010-10-26 S Sale Gelbaum David Large shareholder
9,600 -0.2%
1.11
US$10,685
9,600 -0.2% 1.11 US$10,685
2010-10-26 2010-10-25 S Sale Gelbaum David Large shareholder
7,500 -0.1%
1.10
US$8,282
7,500 -0.1% 1.10 US$8,282
2010-10-26 2010-10-22 S Sale Gelbaum David Large shareholder
6,000 -0.1%
1.18
US$7,103
6,000 -0.1% 1.18 US$7,103
2010-10-21 2010-10-21 S Sale Gelbaum David Large shareholder
4,500 -0.1%
1.16
US$5,217
4,500 -0.1% 1.16 US$5,217
2010-10-21 2010-10-20 S Sale Gelbaum David Large shareholder
13,000 -0.2%
1.13
US$14,691
13,000 -0.2% 1.13 US$14,691
2010-10-21 2010-10-19 S Sale Gelbaum David Large shareholder
9,000 -0.2%
1.20
US$10,836
9,000 -0.2% 1.20 US$10,836