Aeluma, Inc. (ALMU) Insider Trading
Over the last 3 months, ALMU insiders made 0 open-market buys and 5 sales, a net sale of -$929K (SEC Form 4). Over the last 6 months, 28 institutions increased and 21 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
5
Net (3m)
-$929.4K
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Jul
Aug
Context3-month price -50.2%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 28, 2026 | Denbaars Stevendirector | Sell | 12,500 | $13.84 |
| Aug 5, 2026 | Klamkin Jonathandirector, officer: Chief Executive Officer | Sell | 15,810 | $16.85 |
| Aug 5, 2026 | Klamkin Jonathandirector, officer: Chief Executive Officer | Sell | 4,190 | $16.29 |
| Jul 2, 2026 | Klamkin Jonathandirector, officer: Chief Executive Officer | Sell | 19,900 | $21.08 |
| Jul 2, 2026 | Klamkin Jonathandirector, officer: Chief Executive Officer | Sell | 100 | $21.56 |
| May 21, 2026 | Denbaars Stevendirector | Sell | 942 | $21.30 |
| May 21, 2026 | Denbaars Stevendirector | Sell | 7,415 | $19.56 |
| May 21, 2026 | Denbaars Stevendirector | Sell | 5,085 | $20.61 |
| May 21, 2026 | Denbaars Stevendirector | Sell | 11,558 | $20.40 |
| May 5, 2026 | Klamkin Jonathandirector, officer: Chief Executive Officer | Sell | 4,300 | $24.20 |
| May 5, 2026 | Klamkin Jonathandirector, officer: Chief Executive Officer | Sell | 15,024 | $25.15 |
| May 5, 2026 | Klamkin Jonathandirector, officer: Chief Executive Officer | Sell | 676 | $25.71 |
| Apr 3, 2026 | Klamkin Jonathandirector, officer: Chief Executive Officer | Sell | 20,000 | $13.10 |
| Mar 5, 2026 | Klamkin Jonathandirector, 10 percent owner, officer: Chief Executive Officer | Sell | 21,794 | $18.41 |
| Mar 5, 2026 | Klamkin Jonathandirector, 10 percent owner, officer: Chief Executive Officer | Sell | 28,206 | $17.77 |
| Mar 2, 2026 | ENSLEY CRAIG Hdirector | Grant | 10,633 | — |
| Mar 2, 2026 | Denbaars Stevendirector | Grant | 10,121 | — |
| Mar 2, 2026 | Byron Michaeldirector | Grant | 3,653 | $18.27 |
| Mar 2, 2026 | Byron Michaeldirector | Grant | 13,343 | — |
| Mar 2, 2026 | Paglia John Kennethdirector | Grant | 10,861 | — |
| Feb 27, 2026 | Denbaars Stevendirector | Sell | 12,500 | $17.58 |
| Feb 5, 2026 | Tompkins Mark N.other: Former 10% Owner | Sell | 5,956 | $15.12 |
| Feb 5, 2026 | Tompkins Mark N.other: Former 10% Owner | Sell | 28,544 | $14.63 |
| Feb 2, 2026 | Tompkins Mark N.10 percent owner | Sell | 27,297 | $16.75 |
| Feb 2, 2026 | Tompkins Mark N.10 percent owner | Sell | 5,203 | $17.16 |
| Feb 2, 2026 | Tompkins Mark N.10 percent owner | Sell | 24,092 | $15.88 |
| Feb 2, 2026 | Tompkins Mark N.10 percent owner | Sell | 908 | $16.79 |
| Feb 2, 2026 | Tompkins Mark N.10 percent owner | Sell | 37,500 | $15.74 |
| Jan 22, 2026 | Tompkins Mark N.10 percent owner | Sell | 10 | $21.24 |
| Jan 22, 2026 | Tompkins Mark N.10 percent owner | Sell | 29,112 | $20.66 |
Source: ALMU SEC Form 4 filings, latest Aug 28, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ALMU positions over the last 6 months (SEC Form 13F).
Increased
28
New positions
27
Reduced
21
Sold out
91
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 860K | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 589K | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 398K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 295K | May 15, 2026 |
| RAYMOND JAMES FINANCIAL INC | Increased | 268K | May 14, 2026 |
| STATE STREET CORP | Increased | 247K | May 15, 2026 |
| APIS CAPITAL ADVISORS, LLC | Increased | 206K | May 15, 2026 |
| AWM INVESTMENT COMPANY, INC. | Unchanged | 200K | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 187K | May 15, 2026 |
| JANE STREET GROUP, LLC | Increased | 160K | May 12, 2026 |
| MARSHALL WACE, LLP | New Position | 149K | May 15, 2026 |
| UBS GROUP AG | Increased | 121K | May 5, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 120K | May 8, 2026 |
| NORTHERN TRUST CORP | Increased | 116K | May 14, 2026 |
| THOMPSON SIEGEL & WALMSLEY LLC | Reduced | 100K | May 11, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.