| # | Holder | Shares | % of Shares Out | Change | Filing Date |
|---|---|---|---|---|---|
| 1 |
Voss Capital LLC
|
5.262m | 6.13% | +792.952k | Jun 30 2026 |
| 2 |
Cable Car Capital, LP
|
5.195m | 6.06% | — | Jun 30 2026 |
| 3 |
Adar1 Capital Management LLC
|
4.500m | 5.25% | +4.500m | Jun 30 2026 |
| 4 |
Lynwood Capital Management Inc.
|
4.281m | 4.99% | -469.500k | Jun 30 2026 |
| 5 |
Lytton (Laurence W)
|
4.239m | 4.94% | -261.372k | Jun 30 2026 |
|
1
Voss Capital LLC
|
6.13%
5.262m
|
|
2
Cable Car Capital, LP
|
6.06%
5.195m
|
|
3
Adar1 Capital Management LLC
|
5.25%
4.500m
|
|
4
Lynwood Capital Management Inc.
|
4.99%
4.281m
|
|
5
Lytton (Laurence W)
|
4.94%
4.239m
|
| The largest shareholders show who really holds influence: big institutional owners shape a stock's liquidity, and building or cutting positions can move the price. | |
| The 5 largest shareholders together hold 27.37% of Aileron Therapeutics, Inc., with Voss Capital LLC the biggest at 6.13%, followed by Cable Car Capital, LP (6.06%) and Adar1 Capital Management LLC (5.25%). |
| Date | Insider & Role | Type | Price | Quantity | Volume |
|---|---|---|---|---|---|
| Nov 06 2026 |
John Mitchell
CEO
|
Purchases
|
$182.45 | + 15,000 | $2,736,750 |
| Nov 03 2026 |
Sarah Chen
CFO
|
Sales
|
$179.80 | - 8,500 | $1,528,300 |
| Oct 30 2026 |
Robert Williams
COO
|
Purchases
|
$175.20 | + 12,000 | $2,102,400 |
| Oct 25 2026 |
Emily Rodriguez
Director
|
Sales
|
$181.30 | - 5,200 | $942,760 |
| Oct 19 2026 |
Michael Thompson
SVP Operations
|
Purchases
|
$170.50 | + 20,000 | $3,410,000 |
| Oct 12 2026 |
Lisa Park
General Counsel
|
Sales
|
$177.90 | - 6,800 | $1,209,720 |
| No transactions found for this filter. | |||||
|
John Mitchell
PURCHASES
|
Nov 06 2026
$182.45
|
|
Sarah Chen
SALES
|
Nov 03 2026
$179.80
|
|
Robert Williams
PURCHASES
|
Oct 30 2026
$175.20
|
|
Emily Rodriguez
SALES
|
Oct 25 2026
$181.30
|
|
Michael Thompson
PURCHASES
|
Oct 19 2026
$170.50
|
|
Lisa Park
SALES
|
Oct 12 2026
$177.90
|
| No transactions found for this filter. | |
| Insider transactions show you what executives, directors and major shareholders do with their own stock: people who know the company from the inside. Buys are the most telling signal, because insiders invest their own money. Sells are harder to read, since they can also be driven by taxes, diversification or expiring option programs. |
StocksGuide is the ultimate tool for easily finding, analyzing and tracking stocks. Learn from successful investors and make informed investment decisions. We empower you to become a confident, independent investor.


