United States Semiconductors & Semiconductor Equipment

Aeluma Inc (ALMU)

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Over the last 90 days, Aeluma Inc. has seen significant insider selling, totaling over $2.2 million. The CEO, Jonathan Klamkin, and Director Steven DenBaars have been the primary sellers, with multiple planned and proposed sales. This activity occurred following a strong 90-day stock performance of 78.4% and a recent earnings report that exceeded expectations.
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Ticker: ALMU Exchange: PNK
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Klamkin Jonathan
Chief Executive Officer
5 sales — total 500,000 USD
Planned sale 1 Jun 2026
Value US$1,721,411.91 | Price 495.10 | Shares 78,656
Planned sale 1 Jun 2026
Value US$4,087,352.55 | Price 276.37 | Shares 66,431
Planned sale 1 Jun 2026
Value US$100,000.00 | Price 24.39 | Shares 1,000
Planned sale 1 Jun 2026
Value US$100,000.00 | Price 23.32 | Shares 1,000
Planned sale 1 Jun 2026
Value US$100,000.00 | Price 22.19 | Shares 1,000
Planned sale 20 May 2026
Value US$761,570.94 | Price 460.97 | Shares 78,937
Planned sale 20 May 2026
Value US$4,958,194.23 | Price 260.82 | Shares 67,380
Planned sale 19 May 2026
Value US$100,000.00 | Price 20.61 | Shares 1,000
Planned sale 19 May 2026
Value US$100,000.00 | Price 19.56 | Shares 1,000
Proposed sale 19 May 2026
Value US$519,000.00 | Price 20.76 | Shares 25,000
Planned sale 1 May 2026
Value US$17,381.65 | Price 25.71 | Shares 676
Planned sale 1 May 2026
Value US$377,834.07 | Price 25.15 | Shares 15,024
Planned sale 1 May 2026
Value US$104,056.56 | Price 24.20 | Shares 4,300
Planned sale 1 Apr 2026
Value US$261,950.00 | Price 13.10 | Shares 20,000
Planned sale 4 Mar 2026
Value US$401,249.33 | Price 18.41 | Shares 21,794
Planned sale 4 Mar 2026
Value US$501,350.37 | Price 17.77 | Shares 28,206
Proposed sale 4 Mar 2026
Value US$2,120,800.00 | Price 19.28 | Shares 110,000
Planned sale 26 Feb 2026
Value US$198,093.75 | Price 15.85 | Shares 12,500
Planned sale 25 Feb 2026
Value US$219,766.25 | Price 17.58 | Shares 12,500
Proposed sale 25 Feb 2026
Value US$443,750.00 | Price 17.75 | Shares 25,000
Sale 4 Feb 2026
Value US$90,054.72 | Price 15.12 | Shares 5,956
Sale 4 Feb 2026
Value US$417,598.72 | Price 14.63 | Shares 28,544
Sale 2 Feb 2026
Value US$590,250.00 | Price 15.74 | Shares 37,500
Sale 30 Jan 2026
Value US$15,245.32 | Price 16.79 | Shares 908
Sale 30 Jan 2026
Value US$382,580.96 | Price 15.88 | Shares 24,092
Sale 29 Jan 2026
Value US$89,283.48 | Price 17.16 | Shares 5,203
Sale 29 Jan 2026
Value US$457,224.75 | Price 16.75 | Shares 27,297
Sale 22 Jan 2026
Value US$18,095.22 | Price 18.81 | Shares 962
Sale 22 Jan 2026
Value US$524,135.90 | Price 18.05 | Shares 29,038
Sale 21 Jan 2026
Value US$212.40 | Price 21.24 | Shares 10
Sale 21 Jan 2026
Value US$35,054.60 | Price 20.44 | Shares 1,715
Sale 21 Jan 2026
Value US$249,877.10 | Price 19.30 | Shares 12,947
Sale 21 Jan 2026
Value US$561,674.56 | Price 18.52 | Shares 30,328
Sale 20 Jan 2026
Value US$19,163.04 | Price 21.58 | Shares 888
Sale 20 Jan 2026
Value US$601,453.92 | Price 20.66 | Shares 29,112
Sale 26 Dec 2025
Value US$48,954.18 | Price 18.39 | Shares 2,662
Sale 26 Dec 2025
Value US$366,827.68 | Price 18.01 | Shares 20,368
Sale 26 Dec 2025
Value US$117,862.70 | Price 16.91 | Shares 6,970
Sale 24 Dec 2025
Value US$240,750.00 | Price 16.05 | Shares 15,000
Sale 23 Dec 2025
Value US$223,050.00 | Price 14.87 | Shares 15,000
Sale 22 Dec 2025
Value US$519,050.00 | Price 14.83 | Shares 35,000
Sale 19 Dec 2025
Value US$441,000.00 | Price 14.70 | Shares 30,000
Sale 18 Dec 2025
Value US$287,400.00 | Price 14.37 | Shares 20,000
Sale 10 Dec 2025
Value US$349,800.00 | Price 17.49 | Shares 20,000
Sale 9 Dec 2025
Value US$326,511.34 | Price 17.06 | Shares 19,139
Sale 9 Dec 2025
Value US$178,011.79 | Price 16.39 | Shares 10,861
Sale 8 Dec 2025
Value US$16,667.56 | Price 16.87 | Shares 988
Sale 8 Dec 2025
Value US$625,752.48 | Price 16.04 | Shares 39,012
Sale 5 Dec 2025
Value US$26,548.90 | Price 16.49 | Shares 1,610
Sale 5 Dec 2025
Value US$457,646.80 | Price 16.12 | Shares 28,390
Sale 4 Dec 2025
Value US$302,845.00 | Price 16.37 | Shares 18,500
Sale 4 Dec 2025
Value US$178,135.00 | Price 15.49 | Shares 11,500
Sale 20 Oct 2025
Value US$614,625.00 | Price 16.39 | Shares 37,500
Sale 17 Oct 2025
Value US$13,708.35 | Price 18.45 | Shares 743
Sale 17 Oct 2025
Value US$105,074.01 | Price 17.77 | Shares 5,913
Sale 17 Oct 2025
Value US$558,512.00 | Price 16.75 | Shares 33,344
Sale 16 Oct 2025
Value US$16,783.20 | Price 20.72 | Shares 810
Sale 16 Oct 2025
Value US$132,734.00 | Price 19.96 | Shares 6,650
Sale 16 Oct 2025
Value US$332,733.80 | Price 18.97 | Shares 17,540
Sale 15 Oct 2025
Value US$337,827.43 | Price 21.31 | Shares 15,853
Sale 15 Oct 2025
Value US$485,596.17 | Price 20.11 | Shares 24,147
Sale 14 Oct 2025
Value US$731,940.30 | Price 19.86 | Shares 36,855
Sale 13 Oct 2025
Value US$5,271.00 | Price 17.57 | Shares 300
Sale 13 Oct 2025
Value US$594,476.07 | Price 16.97 | Shares 35,031
Sale 10 Oct 2025
Value US$75,727.08 | Price 17.16 | Shares 4,413
Sale 10 Oct 2025
Value US$507,744.20 | Price 16.60 | Shares 30,587
Sale 9 Oct 2025
Value US$17,250.00 | Price 17.25 | Shares 1,000
Sale 9 Oct 2025
Value US$593,918.32 | Price 16.54 | Shares 35,908
Sale 8 Oct 2025
Value US$12,698.00 | Price 18.14 | Shares 700
Sale 8 Oct 2025
Value US$598,878.00 | Price 17.46 | Shares 34,300
Sale 7 Oct 2025
Value US$7,664.00 | Price 19.16 | Shares 400
Sale 7 Oct 2025
Value US$147,544.62 | Price 18.66 | Shares 7,907
Sale 7 Oct 2025
Value US$466,059.78 | Price 17.46 | Shares 26,693
Sale 6 Oct 2025
Value US$1,189,394.80 | Price 18.70 | Shares 63,604
Sale 3 Oct 2025
Value US$232,466.52 | Price 17.94 | Shares 12,958
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
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
78,656 +49.3%
495.10
US$1,721,412 		78,656 +49.3% 495.10 US$1,721,412
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
66,431 -42.0%
276.37
US$4,087,353 		66,431 -42.0% 276.37 US$4,087,353
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
78,422 +25.5%
499.86
US$4,781,488 		78,422 +25.5% 499.86 US$4,781,488
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
1,000 -6.5%
23.32
US$100,000 		1,000 -6.5% 23.32 US$100,000
2026-06-03 2026-06-01 PlS Planned sale
Klamkin Jonathan

Chief Executive Officer

Executive Director
1,000 -4.0%
22.19
US$100,000 		1,000 -4.0% 22.19 US$100,000
2026-05-21 2026-05-20 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
1,000 -0.3%
21.30
US$100,000 		1,000 -0.3% 21.30 US$100,000
2026-05-21 2026-05-20 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
1,000 -3.0%
20.40
US$100,000 		1,000 -3.0% 20.40 US$100,000
2026-05-21 2026-05-19 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
1,000 -1.3%
20.61
US$100,000 		1,000 -1.3% 20.61 US$100,000
2026-05-21 2026-05-19 PlS Planned sale
2.5
Denbaars Steven
Non-Executive Director
1,000 -1.9%
19.56
US$100,000 		1,000 -1.9% 19.56 US$100,000
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
2025-10-09 2025-10-07 S Sale
3.7
Tompkins Mark N.
Large shareholder
400 -0.0%
19.16
US$7,664 		400 -0.0% 19.16 US$7,664
2025-10-09 2025-10-07 S Sale
3.7
Tompkins Mark N.
Large shareholder
7,907 -0.3%
18.66
US$147,545 		7,907 -0.3% 18.66 US$147,545
2025-10-09 2025-10-07 S Sale
3.7
Tompkins Mark N.
Large shareholder
26,693 -1.0%
17.46
US$466,060 		26,693 -1.0% 17.46 US$466,060
2025-10-06 2025-10-06 S Sale
3.7
Tompkins Mark N.
Large shareholder
63,604 -2.3%
18.70
US$1,189,395 		63,604 -2.3% 18.70 US$1,189,395
2025-10-06 2025-10-03 S Sale
3.7
Tompkins Mark N.
Large shareholder
12,958 -0.5%
17.94
US$232,467 		12,958 -0.5% 17.94 US$232,467
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