Aeluma Inc (ALMU)

Aeluma Inc. experienced significant selling activity recently, with insiders offloading over $3.6 million in shares. These transactions occurred amid a 35.3% decline in stock value over the last quarter. Following a disappointing earnings report, leadership and major stakeholders executed multiple planned divestments, reflecting a period of notable negative net insider sentiment.
Ticker: ALMU Exchange: NAS


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Aeluma 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
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
26.33
Quantity 20,966 -34.2%
Value US$2,727,381
3.2
Denbaars Steven Non-Executive Director
Transaction date
Sale
Price
459.49
Quantity 40,798 +25.5%
Value US$1,624,928
3.2
Denbaars Steven Non-Executive Director
Transaction date
Sale
Price
13.84
Quantity 12,500 -3.4%
Value US$173,044
3.2
Steven DenBaars Director Non-Executive Director
Transaction date
Proposed sale
Price
13.88
Quantity 25,000
Value US$347,000
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
16.85
Quantity 15,810 -86.8%
Value US$266,378
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
16.29
Quantity 4,190 -18.7%
Value US$68,263
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
21.56
Quantity 100 -4.0%
Value US$2,156
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
21.08
Quantity 19,900 -88.8%
Value US$419,512
JONATHAN KLAMKIN Director; Officer; 10% Stockholder Executive Director Large shareholder
Transaction date
Proposed sale
Price
22.08
Quantity 40,000
Value US$883,200
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
26.25
Quantity 8,200 -77.3%
Value US$215,211
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
25.12
Quantity 1,600 -13.1%
Value US$40,190
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
24.39
Quantity 7,900 -39.3%
Value US$192,642
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
23.32
Quantity 1,400 -6.5%
Value US$32,649
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
22.19
Quantity 900 -4.0%
Value US$19,968
3.2
Denbaars Steven Non-Executive Director
Transaction date
Planned sale
Price
21.30
Quantity 942 -0.3%
Value US$20,064
3.2
Denbaars Steven Non-Executive Director
Transaction date
Planned sale
Price
20.40
Quantity 11,558 -3.0%
Value US$235,734
3.2
Denbaars Steven Non-Executive Director
Transaction date
Planned sale
Price
20.61
Quantity 5,085 -1.3%
Value US$104,807
3.2
Denbaars Steven Non-Executive Director
Transaction date
Planned sale
Price
19.56
Quantity 7,415 -1.9%
Value US$145,026
3.2
Steven DenBaars Director Non-Executive Director
Transaction date
Proposed sale
Price
20.76
Quantity 25,000
Value US$519,000
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
25.71
Quantity 676 -22.0%
Value US$17,382
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
25.15
Quantity 15,024 -83.0%
Value US$377,834
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
24.20
Quantity 4,300 -19.2%
Value US$104,057
Klamkin Jonathan Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
13.10
Quantity 20,000 -1.4%
Value US$261,950
Klamkin Jonathan Chief Executive Officer Executive Director Large shareholder
Transaction date
Planned sale
Price
18.41
Quantity 21,794 -1.5%
Value US$401,249
Klamkin Jonathan Chief Executive Officer Executive Director Large shareholder
Transaction date
Planned sale
Price
17.77
Quantity 28,206 -1.9%
Value US$501,350
JONATHAN KLAMKIN Director; Officer; 10% Stockholder Executive Director Large shareholder
Transaction date
Proposed sale
Price
19.28
Quantity 110,000
Value US$2,120,800
3.2
Denbaars Steven Non-Executive Director
Transaction date
Planned sale
Price
15.85
Quantity 12,500 -3.1%
Value US$198,094
3.2
Denbaars Steven Non-Executive Director
Transaction date
Planned sale
Price
17.58
Quantity 12,500 -3.0%
Value US$219,766
3.2
Steven DenBaars director Non-Executive Director
Transaction date
Proposed sale
Price
17.75
Quantity 25,000
Value US$443,750
Transaction date
Sale
Price
15.12
Quantity 5,956 -0.3%
Value US$90,055
Transaction date
Sale
Price
14.63
Quantity 28,544 -1.6%
Value US$417,599
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
15.74
Quantity 37,500 -2.0%
Value US$590,250
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.79
Quantity 908 -0.0%
Value US$15,245
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
15.88
Quantity 24,092 -1.3%
Value US$382,581
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
17.16
Quantity 5,203 -0.3%
Value US$89,283
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.75
Quantity 27,297 -1.4%
Value US$457,225
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
18.81
Quantity 962 -0.1%
Value US$18,095
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
18.05
Quantity 29,038 -1.5%
Value US$524,136
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
21.24
Quantity 10 -0.0%
Value US$212
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
20.44
Quantity 1,715 -0.1%
Value US$35,055
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
19.30
Quantity 12,947 -0.7%
Value US$249,877
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
18.52
Quantity 30,328 -1.5%
Value US$561,675
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
21.58
Quantity 888 -0.0%
Value US$19,163
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
20.66
Quantity 29,112 -1.4%
Value US$601,454
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
18.39
Quantity 2,662 -0.1%
Value US$48,954
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
18.01
Quantity 20,368 -1.0%
Value US$366,828
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.91
Quantity 6,970 -0.3%
Value US$117,863
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.05
Quantity 15,000 -0.7%
Value US$240,750
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
14.87
Quantity 15,000 -0.7%
Value US$223,050
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
14.83
Quantity 35,000 -1.7%
Value US$519,050
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
14.70
Quantity 30,000 -1.4%
Value US$441,000
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
14.37
Quantity 20,000 -0.9%
Value US$287,400
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
17.49
Quantity 20,000 -0.9%
Value US$349,800
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
17.06
Quantity 19,139 -0.9%
Value US$326,511
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.39
Quantity 10,861 -0.5%
Value US$178,012
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.87
Quantity 988 -0.0%
Value US$16,668
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.04
Quantity 39,012 -1.7%
Value US$625,752
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.49
Quantity 1,610 -0.1%
Value US$26,549
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.12
Quantity 28,390 -1.2%
Value US$457,647
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.37
Quantity 18,500 -0.8%
Value US$302,845
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
15.49
Quantity 11,500 -0.5%
Value US$178,135
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.39
Quantity 37,500 -1.6%
Value US$614,625
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
18.45
Quantity 743 -0.0%
Value US$13,708
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
17.77
Quantity 5,913 -0.3%
Value US$105,074
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.75
Quantity 33,344 -1.4%
Value US$558,512
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
20.72
Quantity 810 -0.0%
Value US$16,783
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
19.96
Quantity 6,650 -0.3%
Value US$132,734
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
18.97
Quantity 17,540 -0.7%
Value US$332,734
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
21.31
Quantity 15,853 -0.7%
Value US$337,827
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
20.11
Quantity 24,147 -1.0%
Value US$485,596
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
19.86
Quantity 36,855 -1.5%
Value US$731,940
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
17.57
Quantity 300 -0.0%
Value US$5,271
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
16.97
Quantity 35,031 -1.4%
Value US$594,476
3.7
Tompkins Mark N. Large shareholder
Transaction date
Sale
Price
17.16
Quantity 4,413 -0.2%
Value US$75,727
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-09-23 2026-09-21 PlS Planned sale

Chief Executive Officer

Executive Director
20,966 -34.2%
26.33
US$2,727,381
20,966 -34.2% 26.33 US$2,727,381
2026-09-21 2026-09-21 PrS Proposed sale

Director; Officer

Executive Director
34,252
40.94
US$1,128,342
34,252 40.94 US$1,128,342
2026-08-28 2026-08-27 S Sale Non-Executive Director
40,798 +25.5%
459.49
US$1,624,928
40,798 +25.5% 459.49 US$1,624,928
2026-08-28 2026-08-26 S Sale Non-Executive Director
12,500 -3.4%
13.84
US$173,044
12,500 -3.4% 13.84 US$173,044
2026-08-26 2026-08-26 PrS Proposed sale

Director

Non-Executive Director
25,000
13.88
US$347,000
25,000 13.88 US$347,000
2026-08-05 2026-08-03 PlS Planned sale

Chief Executive Officer

Executive Director
15,810 -86.8%
16.85
US$266,378
15,810 -86.8% 16.85 US$266,378
2026-08-05 2026-08-03 PlS Planned sale

Chief Executive Officer

Executive Director
4,190 -18.7%
16.29
US$68,263
4,190 -18.7% 16.29 US$68,263
2026-07-02 2026-07-01 PlS Planned sale

Chief Executive Officer

Executive Director
100 -4.0%
21.56
US$2,156
100 -4.0% 21.56 US$2,156
2026-07-02 2026-07-01 PlS Planned sale

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

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

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

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

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

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

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 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 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 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 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

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

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

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

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

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

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

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

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 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 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

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
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
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 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 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 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 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 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 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 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 Large shareholder
10 -0.0%
21.24
US$212
10 -0.0% 21.24 US$212
2026-01-22 2026-01-21 S Sale 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 Large shareholder
4,413 -0.2%
17.16
US$75,727
4,413 -0.2% 17.16 US$75,727