Aeluma's CEO sold stock every month since March while pitching a $1.8 trillion AI market
Founder-CEO Jonathan Klamkin has sold Aeluma shares in every month from March through September, about $4.26 million in all, while the company funded a $9.2 million loss with $43.5 million of freshly issued stock. The AI-datacom products are pitched for 2028 to 2030.
Vincent Jiang · 3 min read
Five days after the earnings call, a 100,000-share sale
On 21 September 2026, five days after Aeluma's fourth-quarter call and six days after its Sumitomo wafer agreement, founder and CEO Jonathan Klamkin sold 100,000 shares at a weighted average $13.3532, worth $1,335,320. It was the first sale under a Rule 10b5-1 plan adopted 23 May, and five times the 20,000 shares a month he had sold since April. His family trust kept 1,226,995 shares. 12
A $582,000 quarter under a $1.8 trillion pitch
The call sold a supercycle: a data-center semiconductor market that "will surpass $1.8 trillion in 2030," in Klamkin's own release, with management directing 10 to 15 percent of that outlay to photonics and volume deployments eyed for 2028 to 2030. The quarter underneath: $582,000 of revenue, down from $1.3 million a year earlier, nearly all government R&D. The year: $4.5 million of revenue against a $9.2 million net loss, and no fiscal 2027 guidance beyond $2.3 million of booked government contracts. 34
The $56 million cushion is buyers' money
Cash ended June at $56.0 million, up from $15.7 million a year earlier, with no debt. The build was equity: $43.5 million of net public-offering proceeds in fiscal 2026, including $20.1 million from an at-the-market program that issued 830,484 shares at an average $24.87. Weighted shares rose from 13.2 million to 17.7 million. Those ATM buyers paid $24.87 for stock closing 25 September at $13.29, and the two-analyst $23.50 average target rests on the same 2028-to-2030 window. 23
The filings name two sellers behind the wire's 'insider'
MT Newswires logged the September sale without naming anyone; "Aeluma Insider" is all the headline says. The filings show two sellers and a longer run. Klamkin sold in every month from March through September: 250,000 shares for about $4.26 million, at weighted averages from $13.10 in April to $25.03 in June. Director Steven Denbaars sold 25,000 shares in May for about $505,600 under a plan adopted 20 November 2025, then 25,000 more in August for $345,741, a filing noting no trading plan. 256789101112
Aeluma's CEO sold stock every month from March to September
Data
| Klamkin sale proceeds | |
|---|---|
| 4 Mar (50k sh) | $902.6K |
| 1 Apr (20k sh) | $262K |
| 1 May (20k sh) | $499.3K |
| 1 Jun (20k sh) | $500.7K |
| 1 Jul (20k sh) | $421.7K |
| 3 Aug (20k sh) | $334.6K |
| 21 Sep (100k sh) | $1,335.3K |
The bull case is priced in more shares
The defense is real: the spring and summer sales ran under a plan adopted 3 December 2025 and the September sale under one adopted 23 May, both predating the CHIPS letter of intent and the earnings call. The balance sheet carries no debt, a $30 million CHIPS LOI, $5.3 million of new contracts including NASA and Navy work, and a team past 30 people. Unresolved: the CHIPS money is expected to arrive as equity rather than revenue, and Russell benchmarks dropped the stock in June. 234
What to watch next
The next reads are the multimillion-dollar NRE negotiations with AI-datacom customers, definitive CHIPS terms, and $10 to $12 million of planned capex against a 2028 to 2030 window. Aeluma sold its own stock at an average $24.87; its CEO's 250,000 shares averaged about $17, and the biggest batch printed at $13.35, six cents above the tape. 234
Public buyers paid $24.87 for Aeluma stock its CEO sold at $17 and $13.35
- Estimate
Data
| Value | |
|---|---|
| ATM buyers paid (avg) | $24.87 |
| Analyst target (avg) (estimate) | $23.5 |
| Klamkin sales (avg) | $17 |
| 21 Sep sale | $13.35 |
| 25 Sep close | $13.29 |
How this brief was made
01Gathered & sourced224 channels · 2,049 articles▾
Agents swept 224 channels and ingested 2,049 articles, then de-duplicated and ranked them for signal.
02Verified & cross-validated12 claims · 18 data feeds▾
Every one of 12 load-bearing claims was checked against primary sources, with 18 live data feeds reconciling the figures and charts.
- 1SEC EDGAR, Aeluma Form 4, Jonathan Klamkin, filed 23 September 2026
- 2MT Newswires via MarketScreener, Aeluma Insider Sold Shares Worth $1,335,320, According to a Recent SEC Filing, 24 September 2026
- 3Aeluma, Inc. via GlobeNewswire/Markets Insider, Aeluma Announces Fourth Quarter and Full Fiscal Year 2026 Financial Results, 16 September 2026
- 4TipRanks via The Globe and Mail, Aeluma Bets on AI Datacom as Losses Deepen, 23 September 2026
- 5SEC EDGAR, Aeluma Form 4, Jonathan Klamkin, filed 6 March 2026
- 6SEC EDGAR, Aeluma Form 4, Jonathan Klamkin, filed 3 April 2026
- 7SEC EDGAR, Aeluma Form 4, Jonathan Klamkin, filed 5 May 2026
- 8SEC EDGAR, Aeluma Form 4, Jonathan Klamkin, filed 3 June 2026
- 9SEC EDGAR, Aeluma Form 4, Jonathan Klamkin, filed 2 July 2026
- 10SEC EDGAR, Aeluma Form 4, Jonathan Klamkin, filed 5 August 2026
- 11SEC EDGAR, Aeluma Form 4, Steven Denbaars, filed 21 May 2026
- 12SEC EDGAR, Aeluma Form 4, Steven Denbaars, filed 28 August 2026
03Reviewed & edited1 human editor▾
One editor read the draft against the evidence, tuned the framing, and signed off before it shipped.
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