// company-profile
Aeluma, Inc.
ALMUExchangeNasdaqSectorSemiconductors & Related DevicesInc.DEFilings31Insiders7
// api This Aeluma, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Aeluma, Inc. insiders filed 19 Form 4 transactions, none of which were open-market purchases or sales.
- Most active insider: Klamkin Jonathan with 15 transactions totaling $1.3M.
- Largest single sale: $378K by Klamkin Jonathan on May 1, 2026.
- 100% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Aeluma, Inc. as of 2026-03-31
Total reported AUM
$64.6M
QoQ change
+9.8%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$7.7M
589K shares
#2
BlackRock, Inc.
CIK 2012383
$6.1M
469K shares
#3
MILLENNIUM MANAGEMENT LLC
CIK 1273087
$5.2M
398K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | Klamkin Jonathan | ALMU | Sale10b5 | 7,900 | $24.39 | $193K |
| Jun 1, 2026 | Klamkin Jonathan | ALMU | Gift | 20,000 | $0.00 | $0K |
| Jun 1, 2026 | Klamkin Jonathan | ALMU | Sale10b5 | 900 | $22.19 | $20K |
| Jun 1, 2026 | Klamkin Jonathan | ALMU | Sale10b5 | 8,200 | $26.25 | $215K |
| Jun 1, 2026 | Klamkin Jonathan | ALMU | Sale10b5 | 1,400 | $23.32 | $33K |
45 more transactions hidden
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