United States Semiconductors & Semiconductor Equipment

Aeluma Inc (ALMU)

Track

Over the past 90 days, Aeluma Inc. insiders have executed 15 transactions, all of which were sales totaling approximately $3.16 million. CEO Jonathan Klamkin and Director Steven DenBaars were the primary sellers, utilizing planned and proposed sale structures. These transactions occurred following the company's May 2026 earnings report, amid a 31.1% decline in stock price.
Ticker: ALMU Exchange: PNK
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Top insiders
Trades
Planned sale 3 Aug 2026
Value US$4,308,965.54 | Price 250.32 | Shares 21,128 (+32.4%)
Planned sale 3 Aug 2026
Value US$1,215,892.91 | Price 175.70 | Shares 89,740 (+32.7%)
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
2026-08-05 2026-08-03 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
21,128 +32.4%
250.32
US$4,308,966 		21,128 +32.4% 250.32 US$4,308,966
2026-08-05 2026-08-03 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
89,740 +32.7%
175.70
US$1,215,893 		89,740 +32.7% 175.70 US$1,215,893
2026-07-02 2026-07-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
88,991 +28.2%
484.61
US$4,618,707 		88,991 +28.2% 484.61 US$4,618,707
2026-07-02 2026-07-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
19,900 -88.8%
21.08
US$419,512 		19,900 -88.8% 21.08 US$419,512
2026-07-01 2026-07-01 PrS Proposed sale
JONATHAN KLAMKIN

Director; Officer; 10% Stockholder

Executive Director Large shareholder
40,000
22.08
US$883,200 		40,000 22.08 US$883,200
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
8,200 -77.3%
26.25
US$215,211 		8,200 -77.3% 26.25 US$215,211
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
1,600 -13.1%
25.12
US$40,190 		1,600 -13.1% 25.12 US$40,190
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
7,900 -39.3%
24.39
US$192,642 		7,900 -39.3% 24.39 US$192,642
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
1,400 -6.5%
23.32
US$32,649 		1,400 -6.5% 23.32 US$32,649
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
900 -4.0%
22.19
US$19,968 		900 -4.0% 22.19 US$19,968
2026-05-21 2026-05-20 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
942 -0.3%
21.30
US$20,064 		942 -0.3% 21.30 US$20,064
2026-05-21 2026-05-20 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
11,558 -3.0%
20.40
US$235,734 		11,558 -3.0% 20.40 US$235,734
2026-05-21 2026-05-19 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
5,085 -1.3%
20.61
US$104,807 		5,085 -1.3% 20.61 US$104,807
2026-05-21 2026-05-19 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
7,415 -1.9%
19.56
US$145,026 		7,415 -1.9% 19.56 US$145,026
2026-05-19 2026-05-19 PrS Proposed sale
2.5
Steven DenBaars

Director

Non-Executive Director
25,000
20.76
US$519,000 		25,000 20.76 US$519,000
2026-05-05 2026-05-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
676 -22.0%
25.71
US$17,382 		676 -22.0% 25.71 US$17,382
2026-05-05 2026-05-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
15,024 -83.0%
25.15
US$377,834 		15,024 -83.0% 25.15 US$377,834
2026-05-05 2026-05-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
4,300 -19.2%
24.20
US$104,057 		4,300 -19.2% 24.20 US$104,057
2026-04-03 2026-04-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
20,000 -1.4%
13.10
US$261,950 		20,000 -1.4% 13.10 US$261,950
2026-03-05 2026-03-04 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director Large shareholder
21,794 -1.5%
18.41
US$401,249 		21,794 -1.5% 18.41 US$401,249
2026-03-05 2026-03-04 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director Large shareholder
28,206 -1.9%
17.77
US$501,350 		28,206 -1.9% 17.77 US$501,350
2026-03-04 2026-03-04 PrS Proposed sale
JONATHAN KLAMKIN

Director; Officer; 10% Stockholder

Executive Director Large shareholder
110,000
19.28
US$2,120,800 		110,000 19.28 US$2,120,800
2026-02-27 2026-02-26 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
12,500 -3.1%
15.85
US$198,094 		12,500 -3.1% 15.85 US$198,094
2026-02-27 2026-02-25 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
12,500 -3.0%
17.58
US$219,766 		12,500 -3.0% 17.58 US$219,766
2026-02-25 2026-02-25 PrS Proposed sale
2.5
Steven DenBaars

director

Non-Executive Director
25,000
17.75
US$443,750 		25,000 17.75 US$443,750
2026-02-05 2026-02-04 S Sale
3.7
Tompkins Mark N.
5,956 -0.3%
15.12
US$90,055 		5,956 -0.3% 15.12 US$90,055
2026-02-05 2026-02-04 S Sale
3.7
Tompkins Mark N.
28,544 -1.6%
14.63
US$417,599 		28,544 -1.6% 14.63 US$417,599
2026-02-02 2026-02-02 S Sale
3.7
Tompkins Mark N.
Large shareholder
37,500 -2.0%
15.74
US$590,250 		37,500 -2.0% 15.74 US$590,250
2026-02-02 2026-01-30 S Sale
3.7
Tompkins Mark N.
Large shareholder
908 -0.0%
16.79
US$15,245 		908 -0.0% 16.79 US$15,245
2026-02-02 2026-01-30 S Sale
3.7
Tompkins Mark N.
Large shareholder
24,092 -1.3%
15.88
US$382,581 		24,092 -1.3% 15.88 US$382,581
2026-02-02 2026-01-29 S Sale
3.7
Tompkins Mark N.
Large shareholder
5,203 -0.3%
17.16
US$89,283 		5,203 -0.3% 17.16 US$89,283
2026-02-02 2026-01-29 S Sale
3.7
Tompkins Mark N.
Large shareholder
27,297 -1.4%
16.75
US$457,225 		27,297 -1.4% 16.75 US$457,225
2026-01-22 2026-01-22 S Sale
3.7
Tompkins Mark N.
Large shareholder
962 -0.1%
18.81
US$18,095 		962 -0.1% 18.81 US$18,095
2026-01-22 2026-01-22 S Sale
3.7
Tompkins Mark N.
Large shareholder
29,038 -1.5%
18.05
US$524,136 		29,038 -1.5% 18.05 US$524,136
2026-01-22 2026-01-21 S Sale
3.7
Tompkins Mark N.
Large shareholder
10 -0.0%
21.24
US$212 		10 -0.0% 21.24 US$212
2026-01-22 2026-01-21 S Sale
3.7
Tompkins Mark N.
Large shareholder
1,715 -0.1%
20.44
US$35,055 		1,715 -0.1% 20.44 US$35,055
2026-01-22 2026-01-21 S Sale
3.7
Tompkins Mark N.
Large shareholder
12,947 -0.7%
19.30
US$249,877 		12,947 -0.7% 19.30 US$249,877
2026-01-22 2026-01-21 S Sale
3.7
Tompkins Mark N.
Large shareholder
30,328 -1.5%
18.52
US$561,675 		30,328 -1.5% 18.52 US$561,675
2026-01-22 2026-01-20 S Sale
3.7
Tompkins Mark N.
Large shareholder
888 -0.0%
21.58
US$19,163 		888 -0.0% 21.58 US$19,163
2026-01-22 2026-01-20 S Sale
3.7
Tompkins Mark N.
Large shareholder
29,112 -1.4%
20.66
US$601,454 		29,112 -1.4% 20.66 US$601,454
2025-12-29 2025-12-26 S Sale
3.7
Tompkins Mark N.
Large shareholder
2,662 -0.1%
18.39
US$48,954 		2,662 -0.1% 18.39 US$48,954
2025-12-29 2025-12-26 S Sale
3.7
Tompkins Mark N.
Large shareholder
20,368 -1.0%
18.01
US$366,828 		20,368 -1.0% 18.01 US$366,828
2025-12-29 2025-12-26 S Sale
3.7
Tompkins Mark N.
Large shareholder
6,970 -0.3%
16.91
US$117,863 		6,970 -0.3% 16.91 US$117,863
2025-12-29 2025-12-24 S Sale
3.7
Tompkins Mark N.
Large shareholder
15,000 -0.7%
16.05
US$240,750 		15,000 -0.7% 16.05 US$240,750
2025-12-29 2025-12-23 S Sale
3.7
Tompkins Mark N.
Large shareholder
15,000 -0.7%
14.87
US$223,050 		15,000 -0.7% 14.87 US$223,050
2025-12-22 2025-12-22 S Sale
3.7
Tompkins Mark N.
Large shareholder
35,000 -1.7%
14.83
US$519,050 		35,000 -1.7% 14.83 US$519,050
2025-12-22 2025-12-19 S Sale
3.7
Tompkins Mark N.
Large shareholder
30,000 -1.4%
14.70
US$441,000 		30,000 -1.4% 14.70 US$441,000
2025-12-22 2025-12-18 S Sale
3.7
Tompkins Mark N.
Large shareholder
20,000 -0.9%
14.37
US$287,400 		20,000 -0.9% 14.37 US$287,400
2025-12-11 2025-12-10 S Sale
3.7
Tompkins Mark N.
Large shareholder
20,000 -0.9%
17.49
US$349,800 		20,000 -0.9% 17.49 US$349,800
2025-12-11 2025-12-09 S Sale
3.7
Tompkins Mark N.
Large shareholder
19,139 -0.9%
17.06
US$326,511 		19,139 -0.9% 17.06 US$326,511
2025-12-11 2025-12-09 S Sale
3.7
Tompkins Mark N.
Large shareholder
10,861 -0.5%
16.39
US$178,012 		10,861 -0.5% 16.39 US$178,012
2025-12-09 2025-12-08 S Sale
3.7
Tompkins Mark N.
Large shareholder
988 -0.0%
16.87
US$16,668 		988 -0.0% 16.87 US$16,668
2025-12-09 2025-12-08 S Sale
3.7
Tompkins Mark N.
Large shareholder
39,012 -1.7%
16.04
US$625,752 		39,012 -1.7% 16.04 US$625,752
2025-12-09 2025-12-05 S Sale
3.7
Tompkins Mark N.
Large shareholder
1,610 -0.1%
16.49
US$26,549 		1,610 -0.1% 16.49 US$26,549
2025-12-09 2025-12-05 S Sale
3.7
Tompkins Mark N.
Large shareholder
28,390 -1.2%
16.12
US$457,647 		28,390 -1.2% 16.12 US$457,647
2025-12-09 2025-12-04 S Sale
3.7
Tompkins Mark N.
Large shareholder
18,500 -0.8%
16.37
US$302,845 		18,500 -0.8% 16.37 US$302,845
2025-12-09 2025-12-04 S Sale
3.7
Tompkins Mark N.
Large shareholder
11,500 -0.5%
15.49
US$178,135 		11,500 -0.5% 15.49 US$178,135
2025-10-21 2025-10-20 S Sale
3.7
Tompkins Mark N.
Large shareholder
37,500 -1.6%
16.39
US$614,625 		37,500 -1.6% 16.39 US$614,625
2025-10-21 2025-10-17 S Sale
3.7
Tompkins Mark N.
Large shareholder
743 -0.0%
18.45
US$13,708 		743 -0.0% 18.45 US$13,708
2025-10-21 2025-10-17 S Sale
3.7
Tompkins Mark N.
Large shareholder
5,913 -0.3%
17.77
US$105,074 		5,913 -0.3% 17.77 US$105,074
2025-10-21 2025-10-17 S Sale
3.7
Tompkins Mark N.
Large shareholder
33,344 -1.4%
16.75
US$558,512 		33,344 -1.4% 16.75 US$558,512
2025-10-17 2025-10-16 S Sale
3.7
Tompkins Mark N.
Large shareholder
810 -0.0%
20.72
US$16,783 		810 -0.0% 20.72 US$16,783
2025-10-17 2025-10-16 S Sale
3.7
Tompkins Mark N.
Large shareholder
6,650 -0.3%
19.96
US$132,734 		6,650 -0.3% 19.96 US$132,734
2025-10-17 2025-10-16 S Sale
3.7
Tompkins Mark N.
Large shareholder
17,540 -0.7%
18.97
US$332,734 		17,540 -0.7% 18.97 US$332,734
2025-10-17 2025-10-15 S Sale
3.7
Tompkins Mark N.
Large shareholder
15,853 -0.7%
21.31
US$337,827 		15,853 -0.7% 21.31 US$337,827
2025-10-17 2025-10-15 S Sale
3.7
Tompkins Mark N.
Large shareholder
24,147 -1.0%
20.11
US$485,596 		24,147 -1.0% 20.11 US$485,596
2025-10-14 2025-10-14 S Sale
3.7
Tompkins Mark N.
Large shareholder
36,855 -1.5%
19.86
US$731,940 		36,855 -1.5% 19.86 US$731,940
2025-10-14 2025-10-13 S Sale
3.7
Tompkins Mark N.
Large shareholder
300 -0.0%
17.57
US$5,271 		300 -0.0% 17.57 US$5,271
2025-10-14 2025-10-13 S Sale
3.7
Tompkins Mark N.
Large shareholder
35,031 -1.4%
16.97
US$594,476 		35,031 -1.4% 16.97 US$594,476
2025-10-14 2025-10-10 S Sale
3.7
Tompkins Mark N.
Large shareholder
4,413 -0.2%
17.16
US$75,727 		4,413 -0.2% 17.16 US$75,727
2025-10-14 2025-10-10 S Sale
3.7
Tompkins Mark N.
Large shareholder
30,587 -1.2%
16.60
US$507,744 		30,587 -1.2% 16.60 US$507,744
2025-10-09 2025-10-09 S Sale
3.7
Tompkins Mark N.
Large shareholder
1,000 -0.0%
17.25
US$17,250 		1,000 -0.0% 17.25 US$17,250
2025-10-09 2025-10-09 S Sale
3.7
Tompkins Mark N.
Large shareholder
35,908 -1.4%
16.54
US$593,918 		35,908 -1.4% 16.54 US$593,918
2025-10-09 2025-10-08 S Sale
3.7
Tompkins Mark N.
Large shareholder
700 -0.0%
18.14
US$12,698 		700 -0.0% 18.14 US$12,698
2025-10-09 2025-10-08 S Sale
3.7
Tompkins Mark N.
Large shareholder
34,300 -1.3%
17.46
US$598,878 		34,300 -1.3% 17.46 US$598,878
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