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Aeluma, Inc. filed a Prospectus Supplement updating its prospectus for 11,010,002 shares of common stock. The supplement incorporates the company’s latest Form 10-Q for the quarter ended September 30, 2025 and must be read together with the base prospectus dated October 6, 2023.
In the quarter, revenue reached $1.385 million, up from $481 thousand a year ago, while net loss was $1.493 million. Operating expenses rose to $2.993 million as the company expanded headcount and materials to support programs. Cash, cash equivalents and a certificate of deposit totaled $38.147 million, strengthened by net proceeds of $23.4 million from the September 2025 offering and $12.6 million from the March 2025 offering.
Shares outstanding were 17,857,863 as of November 10, 2025. Management reported disclosure controls and procedures were not effective as of quarter-end and outlined remediation steps, including hiring a CFO and adding accounting resources.
Aeluma, Inc. furnished an 8‑K announcing it issued a press release with financial results for the first quarter ended September 30, 2025. The release accompanies the company’s Form 10‑Q filed the same day and is included as Exhibit 99.1. The information under Item 2.02 is furnished, not filed, under the Exchange Act and is not subject to Section 18 liabilities, nor incorporated by reference unless expressly stated.
Aeluma, Inc. filed Post‑Effective Amendment No. 5 to its Form S‑1, covering the resale of up to 11,010,002 shares of Common Stock by selling stockholders. The company states it will not receive proceeds from these resales. Under “Use of Proceeds,” Aeluma notes it could receive cash only if Placement Agent Warrants are exercised, with gross proceeds of up to $720,000.
This amendment also updates mechanics around effectiveness under Section 8(a) and files Exhibit 23.1; no additional securities are being registered and fees were previously paid. The Nasdaq Capital Market lists ALMU; the last reported sales price was $15.58 per share as of October 30, 2025. The resale pool includes shares issued in prior offerings, merger-related issuances, pre‑merger holdings, and shares issuable upon warrant exercise, as detailed in “The Offering.”
Aeluma (ALMU) insider activity: A reporting person disclosed open-market sales of common stock. On 10/17/2025, sales totaled 33,344 shares at a weighted average price of $16.75, 5,913 shares at $17.77, and 743 shares at $18.45. On 10/20/2025, an additional 37,500 shares were sold at $16.39. The prices reflect weighted averages across multiple trades within disclosed ranges.
Following these transactions, the reporting person beneficially owned 2,319,988 shares, held directly. The filer is identified as a Director.
Aeluma, Inc. (ALMU) filed an 8-K under Item 8.01 to furnish its new investor PowerPoint presentation as Exhibit 99.1. The company also included the standard legend stating the report and exhibit do not constitute an offer to sell or a solicitation to buy securities in any jurisdiction prior to proper registration or qualification. The filing lists the company’s common stock trading on Nasdaq under the symbol ALMU.
Aeluma, Inc. (ALMU) director reported open‑market sales of common stock on 10/15/2025 and 10/16/2025 (transaction code S). On 10/15/2025, sales included 24,147 shares at $20.11 (weighted average) and 15,853 shares at $21.31. On 10/16/2025, sales included 17,540 shares at $18.97, 6,650 shares at $19.96, and 810 shares at $20.72. Following these trades, the reporting person beneficially owns 2,397,488 shares, held directly. Footnotes note weighted‑average pricing across stated ranges.
Aeluma, Inc. (ALMU) reported insider share sales on a Form 4. The reporting person executed multiple open‑market sales of common stock: 30,587 shares at a weighted average price of $16.60 on 10/10/2025 (range $16.06–$17.05), an additional 4,413 shares at $17.16 on 10/10/2025 (range $17.06–$17.25), 35,031 shares at $16.97 on 10/13/2025 (range $16.53–$17.49), 300 shares at $17.57 on 10/13/2025, and 36,855 shares at $19.86 on 10/14/2025 (range $19.65–$20.32). After these transactions, the reporting person beneficially owned 2,462,488 shares, held directly.
Mark N. Tompkins, a director of Aeluma, Inc. (ALMU), reported multiple open-market sales of common stock executed on 10/07/2025 through 10/09/2025.
The filings show a total of 106,908 shares sold across seven transactions at reported weighted-average prices ranging from $16.54 to $19.16, with the reported weighted-average prices for each tranche listed as $17.46, $18.66, $19.16, $17.46, $18.14, and $16.54. Following these sales, the reporting person beneficially owned 2,569,674 shares, held directly.
Mark N. Tompkins, a director of Aeluma, Inc. (ALMU), reported multiple sales of common stock across 10/02/2025 to 10/06/2025. The filings show a total of 129,751 shares sold in five transactions at weighted-average prices ranging from $17.10 to $18.70, with per-transaction weighted averages disclosed for each sale. After the reported disposals, the reporting person beneficially owned 2,676,582 shares. The filer certifies willingness to provide detailed price-by-price breakdowns upon request. The form is a routine Section 16 report documenting insider sales; no options or derivative transactions were reported.
Aeluma, Inc. (ALMU) director Mark N. Tompkins amended a prior Form 4 to correct the number of common shares sold and to disclose the weighted average sale price. The amendment shows a sale of 33,800 shares on 09/30/2025 at a weighted average price of $16.18, with the reporter retaining 2,857,033 shares after the transaction. The filing states the shares were sold in multiple transactions at prices ranging from $15.86 to $16.75 and that the amendment fixes a discrepancy in the original October 2 report.
The filing is a technical correction rather than a new transaction disclosure: the reporter affirms willingness to provide details of the per‑trade breakdown on request and manually signed the amendment on 10/06/2025. The disclosure clarifies beneficial ownership and trading price ranges but does not include derivative activity or other material changes to holdings beyond the corrected sale amount.