| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | Director, 10% Owner
3 companies
Steven R Mitchell is Director at ASPN, with reported holdings spanning 3 companies. Steven R Mitchell's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $2.9M at current prices.
Our model assigns Steven R Mitchell a strong insider score of 74/100, based on 7 past trades. Over a 12-month horizon, 83.3% of those trades were profitable, with an average 12-month return of +49.3%.
Steven R Mitchell's largest disclosed position is in ALKT as Director, worth about $1.3M.
Steven R Mitchell has 47 Form 4 filings on record from June 2015 to October 2026, across 3 companies: Director at Alkami Technology (ALKT), 2021–2026; Director at StepStone Group (STEP), 2021–2026; Director at Aspen Aerogels (ASPN), 2015–2026.
The 67 reported transactions were 40 stock awards, 12 option or other derivative awards, 5 open-market purchases and 5 conversions, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 3 purchases worth about $923K and 2 sales worth about $2.7M.
The largest open-market purchase was 12,793 shares of STEP at an average $44.23 on February 23, 2026, about $566K.
The largest open-market sale was 35,000 shares of STEP at an average $43.63 on September 29, 2021, about $1.5M. Twelve months later STEP was down 41%.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb 23, 2026 | STEP Stepstone Group Inc. | Director | Buy | 12,793 | $44.23 | $565,771.64 | New | +19.9% | - | |
| Jun 11, 2024 | STEP Stepstone Group Inc. | Director, 10% Owner | Sell | 27,500 | $44.34 | $1,219,350.00 | -100% | +18.8% | +28.1% | |
| Sep 7, 2023 | ASPN Aspen Aerogels Inc | Director | Buy | 7,541 | $6.50 | $49,008.96 | +6.0% | +83.9% | +265.1% | |
| Sep 5, 2023 | ASPN Aspen Aerogels Inc | Director | Buy | 50,000 | $6.17 | $308,455.00 | +65.2% | +75.6% | +333.0% | |
| Sep 29, 2021 | STEP Stepstone Group Inc. | Director, 10% Owner | Sell | 35,000 | $43.63 | $1,527,081.70 | -56.0% | -3.1% | -41.2% |