Rush Street Interactive insider offloads 446k shares – SEC Form 4
Rhea-AI Filing Summary
SEC Form 4 filed 1 Aug 2025 discloses that Rush Street Interactive (RSI) director Niccolo de Masi, through Isalea Investments LP, sold 446,094 Class A common shares on 31 Jul 2025. The disposition was executed under a Rule 10b5-1 plan adopted 14 Mar 2025. The weighted-average sale price was $18.3464, with individual trades ranging from $17.49 to $18.75 per share (exact breakdown available on request). Following the transaction, the form lists 0 shares indirectly held by Isalea Investments LP and shows a separate direct holding of 15,203 shares. The filing was signed by attorney-in-fact Kyle Sauers.
Positive
- None.
Negative
- Director Niccolo de Masi sold 446,094 RSI shares at a weighted average price of $18.3464, reducing the Isalea Investments LP position to zero.
Insights
TL;DR: Director disposes 446k RSI shares via 10b5-1; holdings cut to zero in LP.
The Form 4 reveals a sizable insider sale by director Niccolo de Masi. The 446,094-share block at an $18.35 weighted price represents the entirety of the shares held by his investment vehicle, Isalea Investments LP, leaving only 15,203 shares reported elsewhere. While the sale was pre-programmed under a 10b5-1 plan, eliminating the LP’s stake reduces insider alignment and can be interpreted as a modestly negative signal for near-term sentiment.
TL;DR: Pre-scheduled sale complies with Rule 10b5-1; disclosure appears complete.
The filing meets Section 16 reporting standards. Footnotes clarify the trading plan date and provide a commitment to supply granular execution data. The director expressly disclaims beneficial ownership of LP-held shares, a common governance practice. Although the transaction is sizable, adherence to regulatory best practice mitigates potential governance concerns.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Class A Common Stock | 446,094 | $18.3464 | $8.18M |
| holding | Class A Common Stock | -- | -- | -- |
Footnotes (1)
- Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $17.49 to $18.75 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. These shares are held directly by Isalea Investments LP, of which the Reporting Person is the Managing Member. The Reporting Person may be deemed to have beneficial ownership of the shares held directly by Isalea Investments LP. The Reporting Person disclaims beneficial ownership of such shares, and this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 or for any other purpose.
