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United States Financial Technology (Fintech) & Infrastructure

ALT5 Sigma Corp (ALTS)

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Ticker: ALTS Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
DANZIGER DAVID C.
1 purchase — total 73,000 USD
Buy 14 Aug 2025
Value US$3,337,687.62 | Price 204.57 | Shares 94,525
Buy 6 Dec 2024
Value US$296,971.01 | Price 175.94 | Shares 61,492
Buy 9 Sep 2024
Value US$10,277.50 | Price 2.06 | Shares 5,000
Sale 24 May 2021
Value US$220,651.10 | Price 6.70 | Shares 32,933
Sale 5 Feb 2021
Value US$35,568.80 | Price 8.65 | Shares 4,112
Sale 3 Nov 2020
Value US$5,303.09 | Price 3.61 | Shares 1,469
Sale 31 Mar 2020
Value US$10,731.00 | Price 2.19 | Shares 4,900
Sale 27 Mar 2020
Value US$4,199.00 | Price 2.21 | Shares 1,900
Sale 25 Mar 2020
Value US$14,642.34 | Price 2.19 | Shares 6,686
Sale 25 Apr 2019
Value US$11,717,919.87 | Price 78.29 | Shares 149,679
Buy 29 Aug 2018
Value US$30,000.00 | Price 1.00 | Shares 30,000
Buy 27 Aug 2018
Value US$11,625.00 | Price 0.78 | Shares 15,000
Buy 24 Aug 2018
Value US$10,650.00 | Price 0.71 | Shares 15,000
Sale 23 Aug 2017
Value US$593.75 | Price 1.25 | Shares 475
Sale 23 Aug 2017
Value US$5,355.00 | Price 1.19 | Shares 4,500
Sale 25 May 2016
Value US$6,125.00 | Price 1.25 | Shares 4,900
Sale 2 Oct 2015
Value US$35,340.33 | Price 1.03 | Shares 34,311
Sale 2 Oct 2015
Value US$6,240.00 | Price 1.04 | Shares 6,000
Sale 25 Sep 2015
Value US$69,000.00 | Price 1.15 | Shares 60,000
Buy 17 Feb 2015
Value US$65,750.00 | Price 2.63 | Shares 25,000
Buy 15 Jan 2015
Value US$323,164.80 | Price 2.80 | Shares 115,416
Buy 6 Jan 2015
Value US$424,500.00 | Price 2.83 | Shares 150,000
Sale 13 Nov 2013
Value US$17,500.00 | Price 3.50 | Shares 5,000
Sale 14 Aug 2013
Value US$18,270.00 | Price 2.90 | Shares 6,300
Sale 13 Aug 2013
Value US$2,051.00 | Price 2.93 | Shares 700
Sale 12 Aug 2013
Value US$297.00 | Price 2.97 | Shares 100
Sale 12 Aug 2013
Value US$1,184.00 | Price 2.96 | Shares 400
Sale 12 Aug 2013
Value US$1,460.00 | Price 2.92 | Shares 500
Buy 27 Nov 2012
Value US$3,450.00 | Price 1.38 | Shares 2,500
Buy 23 Nov 2012
Value US$201,944,413.50 | Price 17,404.50 | Shares 11,603
Buy 21 Nov 2012
Value US$3,375,000.00 | Price 2,250.00 | Shares 1,500
Buy 21 Nov 2012
Value US$27,121,091.73 | Price 6,168.09 | Shares 4,397
Buy 21 Nov 2012
Value US$8,661,125.00 | Price 3,464.45 | Shares 2,500
Sale 26 Oct 2007
Value US$450,900.00 | Price 10.02 | Shares 45,000
Sale 6 Sep 2007
Value US$118,524.00 | Price 8.30 | Shares 14,280
Sale 29 Aug 2007
Value US$6,012.00 | Price 8.35 | Shares 720
Sale 28 Aug 2007
Value US$23,397.79 | Price 8.53 | Shares 2,743
Sale 27 Aug 2007
Value US$51,933.10 | Price 8.30 | Shares 6,257
Sale 23 Aug 2007
Value US$55,441.50 | Price 7.39 | Shares 7,500
Sale 23 Aug 2007
Value US$20,796.60 | Price 6.90 | Shares 3,014
Sale 20 Aug 2007
Value US$1,973.40 | Price 6.90 | Shares 286
Sale 15 Aug 2007
Value US$29,526.00 | Price 7.03 | Shares 4,200
Sale 7 Aug 2007
Value US$21,830.53 | Price 5.87 | Shares 3,719
Sale 7 Aug 2007
Value US$135,010.00 | Price 5.87 | Shares 23,000
Sale 31 May 2007
Value US$47,954.40 | Price 3.90 | Shares 12,296
Sale 31 May 2007
Value US$82,995.90 | Price 3.90 | Shares 21,281
Sale 30 May 2007
Value US$860.88 | Price 4.22 | Shares 204
Sale 23 May 2007
Value US$30,000.00 | Price 4.00 | Shares 7,500
Sale 17 May 2007
Value US$26,400.00 | Price 3.52 | Shares 7,500
Sale 13 Jun 2006
Value US$6,200.00 | Price 3.10 | Shares 2,000
Sale 13 Jun 2006
Value US$933.00 | Price 3.11 | Shares 300
Sale 13 Jun 2006
Value US$1,920.00 | Price 3.20 | Shares 600
Sale 13 Jun 2006
Value US$6,440.00 | Price 3.22 | Shares 2,000
Sale 13 Jun 2006
Value US$323.00 | Price 3.23 | Shares 100
Sale 13 Jun 2006
Value US$6,440.00 | Price 3.22 | Shares 2,000
Sale 13 Jun 2006
Value US$6,600.00 | Price 3.30 | Shares 2,000
Sale 12 Apr 2006
Value US$6,500.00 | Price 6.50 | Shares 1,000
Sale 27 Mar 2006
Value US$184,500.00 | Price 6.15 | Shares 30,000
Sale 18 Aug 2005
Value US$215,000.00 | Price 5.00 | Shares 43,000
Sale 9 Aug 2005
Value US$212,100.00 | Price 5.05 | Shares 42,000
Sale 5 Aug 2005
Value US$2,525.00 | Price 5.05 | Shares 500
Sale 17 May 2005
Value US$85,800.00 | Price 2.86 | Shares 30,000
Sale 16 May 2004
Value US$31,350.00 | Price 2.85 | Shares 11,000
Sale 12 Apr 2004
Value US$1,100.00 | Price 2.20 | Shares 500
Sale 12 Apr 2004
Value US$2,300.00 | Price 2.30 | Shares 1,000
Sale 12 Apr 2004
Value US$2,400.00 | Price 2.40 | Shares 1,000
Sale 12 Apr 2004
Value US$2,700.00 | Price 2.70 | Shares 1,000
Sale 12 Apr 2004
Value US$2,800.00 | Price 2.80 | Shares 1,000
Sale 12 Apr 2004
Value US$4,725.00 | Price 3.15 | Shares 1,500
Sale 12 Apr 2004
Value US$4,100.00 | Price 2.05 | Shares 2,000
Sale 12 Apr 2004
Value US$4,911.90 | Price 2.10 | Shares 2,339
Sale 12 Apr 2004
Value US$9,000.00 | Price 3.00 | Shares 3,000
Sale 12 Apr 2004
Value US$24,700.00 | Price 2.60 | Shares 9,500
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-10-09 2025-08-14 B Purchase
0.5
DANZIGER DAVID C.
Non-Executive Director
94,525 -39.2%
204.57
US$3,337,688 		94,525 -39.2% 204.57 US$3,337,688
2024-12-10 2024-12-06 B Purchase
2.4
Johnson Virland A

Chief Financial Officer

Officer
61,492 +45.9%
175.94
US$296,971 		61,492 +45.9% 175.94 US$296,971
2024-09-11 2024-09-09 B Purchase
2.4
Tassiopoulos Peter

Chief Executive Officer

Officer
587 -5.0%
77.90
US$55,597 		587 -5.0% 77.90 US$55,597
2021-05-26 2021-05-24 S Sale
2.4
Johnson Virland A

Chief Financial Officer

Officer
32,933 -100.0%
6.70
US$220,651 		32,933 -100.0% 6.70 US$220,651
2021-02-11 2021-02-05 S Sale
2.4
Johnson Virland A

Chief Financial Officer

Officer
4,112 -11.1%
8.65
US$35,569 		4,112 -11.1% 8.65 US$35,569
2021-02-11 2020-11-03 S Sale
2.4
Johnson Virland A

Chief Financial Officer

Officer
1,469 -3.8%
3.61
US$5,303 		1,469 -3.8% 3.61 US$5,303
2020-09-03 2020-03-31 S Sale
2.4
Johnson Virland A

CFO

Officer
4,900 -11.3%
2.19
US$10,731 		4,900 -11.3% 2.19 US$10,731
2020-09-03 2020-03-27 S Sale
2.4
Johnson Virland A

CFO

Officer
1,900 -4.2%
2.21
US$4,199 		1,900 -4.2% 2.21 US$4,199
2020-09-03 2020-03-25 S Sale
2.4
Johnson Virland A

CFO

Officer
6,686 -12.9%
2.19
US$14,642 		6,686 -12.9% 2.19 US$14,642
2019-04-30 2019-04-25 S Sale
Isaac Capital Group, LLC
Large shareholder
149,679 -57.6%
78.29
US$11,717,920 		149,679 -57.6% 78.29 US$11,717,920
2018-08-30 2018-08-29 B Purchase Johnson Virland A

Chief Financial Officer

Officer
30,000 +13.0%
1.00
US$30,000 		30,000 +13.0% 1.00 US$30,000
2018-08-27 2018-08-27 B Purchase Johnson Virland A

Chief Financial Officer

Officer
15,000 +7.0%
0.78
US$11,625 		15,000 +7.0% 0.78 US$11,625
2018-08-24 2018-08-24 B Purchase Johnson Virland A

Chief Financial Officer

Officer
15,000 +7.5%
0.71
US$10,650 		15,000 +7.5% 0.71 US$10,650
2017-08-24 2017-08-23 S Sale Bremer Bradley

President of ApplianceSmart
475 -8.5%
1.25
US$594 		475 -8.5% 1.25 US$594
2017-08-24 2017-08-23 S Sale Bremer Bradley

President of ApplianceSmart
4,500 -44.6%
1.19
US$5,355 		4,500 -44.6% 1.19 US$5,355
2016-05-27 2016-05-25 S Sale Bremer Bradley

President of ApplianceSmart

Officer
4,900 -32.7%
1.25
US$6,125 		4,900 -32.7% 1.25 US$6,125
2015-10-05 2015-10-02 S Sale Isaac Capital Group, LLC Large shareholder
34,311 -5.5%
1.03
US$35,340 		34,311 -5.5% 1.03 US$35,340
2015-10-05 2015-10-02 S Sale Isaac Capital Group, LLC Large shareholder
6,000 -1.0%
1.04
US$6,240 		6,000 -1.0% 1.04 US$6,240
2015-09-28 2015-09-25 S Sale Isaac Capital Group, LLC Large shareholder
60,000 -8.7%
1.15
US$69,000 		60,000 -8.7% 1.15 US$69,000
2015-02-18 2015-02-17 B Purchase Isaac Capital Group, LLC Large shareholder
25,000 +3.8%
2.63
US$65,750 		25,000 +3.8% 2.63 US$65,750
2015-02-03 2015-01-15 B Purchase Isaac Capital Group, LLC Large shareholder
115,416 +21.1%
2.80
US$323,165 		115,416 +21.1% 2.80 US$323,165
2015-02-03 2015-01-06 B Purchase Isaac Capital Group, LLC Large shareholder
150,000 +37.7%
2.83
US$424,500 		150,000 +37.7% 2.83 US$424,500
2013-11-15 2013-11-13 S Sale Bremer Bradley

President of ApplianceSmart

Officer
5,000 -50.0%
3.50
US$17,500 		5,000 -50.0% 3.50 US$17,500
2013-08-15 2013-08-14 S Sale Bremer Bradley

President of ApplianceSmart

Officer
6,300 -100.0%
2.90
US$18,270 		6,300 -100.0% 2.90 US$18,270
2013-08-14 2013-08-13 S Sale Bremer Bradley

President of ApplianceSmart

Officer
700 -10.8%
2.93
US$2,051 		700 -10.8% 2.93 US$2,051
2013-08-14 2013-08-12 S Sale Bremer Bradley

President of ApplianceSmart

Officer
100 -1.5%
2.97
US$297 		100 -1.5% 2.97 US$297
2013-08-14 2013-08-12 S Sale Bremer Bradley

President of ApplianceSmart

Officer
400 -5.7%
2.96
US$1,184 		400 -5.7% 2.96 US$1,184
2013-08-14 2013-08-12 S Sale Bremer Bradley

President of ApplianceSmart

Officer
500 -6.7%
2.92
US$1,460 		500 -6.7% 2.92 US$1,460
2012-11-28 2012-11-27 B Purchase Bremer Bradley

President of ApplianceSmart

Officer
2,500 +inf%
1.38
US$3,450 		2,500 +inf% 1.38 US$3,450
2012-11-27 2012-11-23 B Purchase CAMERON EDWARD R

Chairman, President, CEO

Executive Director
11,603 +inf%
17,404.50
US$201,944,414 		11,603 +inf% 17,404.50 US$201,944,414
2012-11-27 2012-11-21 B Purchase CAMERON EDWARD R

Chairman, President, CEO

Executive Director
1,500 +inf%
2,250.00
US$3,375,000 		1,500 +inf% 2,250.00 US$3,375,000
2012-11-27 2012-11-21 B Purchase CAMERON EDWARD R

Chairman, President, CEO

Executive Director
4,397 +inf%
6,168.09
US$27,121,092 		4,397 +inf% 6,168.09 US$27,121,092
2012-11-27 2012-11-21 B Purchase CAMERON EDWARD R

Chairman, President, CEO

Executive Director
2,500 +inf%
3,464.45
US$8,661,125 		2,500 +inf% 3,464.45 US$8,661,125
2007-11-09 2007-10-26 S Sale BEDNARCZYK W WILLIAM Non-Executive Director
45,000 -18.4%
10.02
US$450,900 		45,000 -18.4% 10.02 US$450,900
2008-04-02 2007-09-06 S Sale MEDALLION CAPITAL INC Large shareholder
14,280 -2.8%
8.30
US$118,524 		14,280 -2.8% 8.30 US$118,524
2008-04-02 2007-08-29 S Sale MEDALLION CAPITAL INC Large shareholder
720 -0.1%
8.35
US$6,012 		720 -0.1% 8.35 US$6,012
2008-04-02 2007-08-28 S Sale MEDALLION CAPITAL INC Large shareholder
2,743 -0.5%
8.53
US$23,398 		2,743 -0.5% 8.53 US$23,398
2008-04-02 2007-08-27 S Sale MEDALLION CAPITAL INC Large shareholder
6,257 -1.2%
8.30
US$51,933 		6,257 -1.2% 8.30 US$51,933
2007-08-24 2007-08-23 S Sale CARLSON DUANE Non-Executive Director
7,500 -63.2%
7.39
US$55,442 		7,500 -63.2% 7.39 US$55,442
2007-08-24 2007-08-23 S Sale CARLSON DUANE Non-Executive Director
3,014 -40.8%
6.90
US$20,797 		3,014 -40.8% 6.90 US$20,797
2007-08-24 2007-08-20 S Sale CARLSON DUANE Non-Executive Director
286 -6.1%
6.90
US$1,973 		286 -6.1% 6.90 US$1,973
2007-08-20 2007-08-15 S Sale CARLSON DUANE Non-Executive Director
4,200 -49.0%
7.03
US$29,526 		4,200 -49.0% 7.03 US$29,526
2007-08-09 2007-08-07 S Sale BEDNARCZYK W WILLIAM Non-Executive Director
3,719 -1.5%
5.87
US$21,831 		3,719 -1.5% 5.87 US$21,831
2007-08-09 2007-08-07 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
23,000 -7.1%
5.87
US$135,010 		23,000 -7.1% 5.87 US$135,010
2007-06-04 2007-05-31 S Sale CARLSON DUANE Non-Executive Director
12,296 -73.8%
3.90
US$47,954 		12,296 -73.8% 3.90 US$47,954
2007-06-01 2007-05-31 S Sale BEDNARCZYK W WILLIAM Non-Executive Director
21,281 -7.9%
3.90
US$82,996 		21,281 -7.9% 3.90 US$82,996
2007-06-04 2007-05-30 S Sale CARLSON DUANE Non-Executive Director
204 -1.2%
4.22
US$861 		204 -1.2% 4.22 US$861
2007-05-25 2007-05-23 S Sale CARLSON DUANE Non-Executive Director
7,500 -63.2%
4.00
US$30,000 		7,500 -63.2% 4.00 US$30,000
2007-05-23 2007-05-17 S Sale CARLSON DUANE Non-Executive Director
7,500 -63.2%
3.52
US$26,400 		7,500 -63.2% 3.52 US$26,400
2006-06-14 2006-06-13 S Sale WALL BRUCE J

VP Resource Efficiency Prog.

Officer
2,000 -96.4%
3.10
US$6,200 		2,000 -96.4% 3.10 US$6,200
2006-06-14 2006-06-13 S Sale WALL BRUCE J

VP Resource Efficiency Prog.

Officer
300 -12.6%
3.11
US$933 		300 -12.6% 3.11 US$933
2006-06-14 2006-06-13 S Sale WALL BRUCE J

VP Resource Efficiency Prog.

Officer
600 -20.2%
3.20
US$1,920 		600 -20.2% 3.20 US$1,920
2006-06-14 2006-06-13 S Sale WALL BRUCE J

VP Resource Efficiency Prog.

Officer
2,000 -40.2%
3.22
US$6,440 		2,000 -40.2% 3.22 US$6,440
2006-06-14 2006-06-13 S Sale WALL BRUCE J

VP Resource Efficiency Prog.

Officer
100 -2.0%
3.23
US$323 		100 -2.0% 3.23 US$323
2006-06-14 2006-06-13 S Sale WALL BRUCE J

VP Resource Efficiency Prog.

Officer
2,000 -28.3%
3.22
US$6,440 		2,000 -28.3% 3.22 US$6,440
2006-06-14 2006-06-13 S Sale WALL BRUCE J

VP Resource Efficiency Prog.

Officer
2,000 -22.0%
3.30
US$6,600 		2,000 -22.0% 3.30 US$6,600
2007-04-06 2006-04-12 S Sale MEDALLION CAPITAL INC Large shareholder
1,000 -0.2%
6.50
US$6,500 		1,000 -0.2% 6.50 US$6,500
2007-04-06 2006-03-27 S Sale MEDALLION CAPITAL INC Large shareholder
30,000 -5.5%
6.15
US$184,500 		30,000 -5.5% 6.15 US$184,500
2005-08-22 2005-08-18 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
43,000 -10.4%
5.00
US$215,000 		43,000 -10.4% 5.00 US$215,000
2005-08-10 2005-08-09 S Sale MEDALLION CAPITAL INC Large shareholder
42,000 -6.6%
5.05
US$212,100 		42,000 -6.6% 5.05 US$212,100
2005-08-08 2005-08-05 S Sale KOENIG LINDA

Chief Financial Officer

Officer
500 -33.3%
5.05
US$2,525 		500 -33.3% 5.05 US$2,525
2005-05-18 2005-05-17 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
30,000 -6.8%
2.86
US$85,800 		30,000 -6.8% 2.86 US$85,800
2005-05-18 2004-05-16 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
11,000 -2.4%
2.85
US$31,350 		11,000 -2.4% 2.85 US$31,350
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
500 -100.0%
2.20
US$1,100 		500 -100.0% 2.20 US$1,100
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
1,000 -66.7%
2.30
US$2,300 		1,000 -66.7% 2.30 US$2,300
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
1,000 -40.0%
2.40
US$2,400 		1,000 -40.0% 2.40 US$2,400
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
1,000 -28.6%
2.70
US$2,700 		1,000 -28.6% 2.70 US$2,700
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
1,000 -22.2%
2.80
US$2,800 		1,000 -22.2% 2.80 US$2,800
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
1,500 -25.0%
3.15
US$4,725 		1,500 -25.0% 3.15 US$4,725
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
2,000 -25.0%
2.05
US$4,100 		2,000 -25.0% 2.05 US$4,100
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
2,339 -22.6%
2.10
US$4,912 		2,339 -22.6% 2.10 US$4,912
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
3,000 -22.5%
3.00
US$9,000 		3,000 -22.5% 3.00 US$9,000
2004-04-14 2004-04-12 S Sale CAMERON EDWARD R

Chairman,President

Executive Director Large shareholder
9,500 -41.6%
2.60
US$24,700 		9,500 -41.6% 2.60 US$24,700
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