Nasdaq · CIK 0002090646
BRUN Boost Run Inc.
Insider trading from SEC Form 4. Last filing 12 d ago. Close $13.18 on Oct 9, 2026, +24% from the 52-week low and -66% from the high.
Boost Run Inc. (BRUN) has 6 SEC Form 4 filings on file from 5 insiders, the latest filed on Oct 1, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 1 open-market sell worth $7.0M, net -$7.0M.
1 open-market trade has been scored at BRUN. The newest: Sean Goodrich (director) sold $7.0M of stock on Sep 14, 2026, filed Sep 16, 2026, scored 45 (moderate).
BRUN closed at $13.18 on Oct 9, 2026, 24% above its 52-week low and 66% below its 52-week high.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Boost Run Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 45Moderate | Sean Goodrich director sell | $7.0M 500,000 shares | -10% | - |
Transactions
Every row filed, 8 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | Erik Guckel Chief Financial Officer | AGrant or award Restricted Stock Unitsderivative | +2,890,000 | $0.00 | $0 | 2,890,000 | 12 d ago |
| Sep 29, 2026 | Harilaos Georgakopoulos Chief Operating Officer | AGrant or award Restricted Stock Unitsderivative | +300,000 | $0.00 | $0 | 300,000 | 12 d ago |
| Sep 14, 2026 | Sean Goodrich director | SOpen-market sale Class A Common Stockindirect: By Goodrich ILJMS LLC | -500,000 | $14.00 | $7.0M | 4,437,921 | 27 d ago |
| May 12, 2026 | Jeremy Rayne Steinberg director | MOption exercise Class A Common Stock | +25,375 | $0.00 | $0 | 25,375 | Jun 16, 2026 |
| Jun 9, 2026 | Sean Goodrich director | MOption exercise Class A Common Stockindirect: By Goodrich ILMJS LLC | +1,272,885 | $1.75 | $2.2M | 3,338,270 | Jun 15, 2026 |
| May 12, 2026 | B. Luke Weil director, owner | MOption exercise Class A Common Stockindirect: By Willow Lane Sponsor, LLC | -1,272,885 | $1.75 | $2.2M | 3,355,789 | Jun 15, 2026 |
| Jun 9, 2026 | Sean Goodrich director | DDisposition to issuer Warrantsderivativeindirect: By Goodrich ILMJS LLC | -1,101,986 | $1.75 | $1.9M | 2,203,972 | Jun 15, 2026 |
| May 12, 2026 | B. Luke Weil director, owner | DDisposition to issuer Warrantsderivativeindirect: By Willow Lane Sponsor, LLC | -1,101,986 | $1.75 | $1.9M | 2,905,236 | Jun 15, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Harilaos GeorgakopoulosChief Operating Officer
- Sean Goodrichdirector
- Erik GuckelChief Financial Officer
- Jeremy Rayne Steinbergdirector
- B. Luke Weildirector, ceo, officer, owner
Questions about BRUN
Answered from the filings on this page, as of the latest one.
Are insiders buying BRUN?
As of Oct 1, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 1 open-market sell worth $7.0M by 1 insider at Boost Run Inc. in the last 90 days, net -$7.0M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade BRUN on the open market?
Sean Goodrich (director) sold $7.0M of BRUN on Sep 14, 2026 and filed the Form 4 on Sep 16, 2026. InsiderTell scored 45 (moderate).
How many insiders file Form 4 at Boost Run Inc.?
5 people have filed a Form 4 at Boost Run Inc., among them Harilaos Georgakopoulos (Chief Operating Officer), Sean Goodrich (director), Erik Guckel (Chief Financial Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.