| 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 | Trustee
3 companies
Robert J Bass is Director at GRPN, with reported holdings spanning 3 companies. Robert J Bass'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 $2.7M at current prices.
Our model assigns Robert J Bass a middling insider score of 51/100, based on 15 past trades. Over a 12-month horizon, 16.7% of those trades were profitable, with an average 12-month return of -12.8%.
Robert J Bass's largest disclosed position is in GRPN as Director, worth about $1.9M. Net of sales, the GRPN filings show accumulation of 90,528 shares.
Robert J Bass has 42 Form 4 filings on record from June 2015 to September 2026, across 3 companies: Director at Lucky Strike Entertainment (LUCK), 2022–2026; Director at Groupon (GRPN), 2015–2026; Trustee at Blackstone Secured Lending Fund (BXSL), 2019–2026.
The 44 reported transactions were 22 stock awards, 15 open-market purchases, 3 open-market sales and 2 option or other derivative awards, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 15 purchases worth about $581K and 3 sales worth about $193K.
The largest open-market purchase was 50,000 shares of GRPN at an average $2.58 on August 30, 2019, about $129K.
The largest open-market sale was 3,055 shares of GRPN at an average $31.64 on August 12, 2025, about $97K. Twelve months later GRPN was down 27%.
Neither of the two sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | LUCK Lucky Strike Entertainment Corporation | Director | Buy | 600 | $5.45 | $3,267.60 | +1.2% | - | - | |
| Jun 8, 2026 | LUCK Lucky Strike Entertainment Corporation | Director | Buy | 745 | $8.10 | $6,034.50 | +1.5% | -28.8% | - | |
| May 12, 2026 | BXSL Blackstone Secured Lending Fund | Trustee | Buy | 2,095 | $23.80 | $49,850.53 | +9.1% | +2.3% | - | |
| Dec 8, 2025 | LUCK Lucky Strike Entertainment Corp | Director | Buy | 520 | $8.47 | $4,401.80 | +1.0% | +0.8% | - | |
| Oct 6, 2025 | BXSL Blackstone Secured Lending Fund | Trustee | Buy | 3,760 | $26.63 | $100,128.80 | +21.6% | +3.6% | -9.7% | |
| Aug 12, 2025 | GRPN Groupon, Inc. | Director | Sell | 3,055 | $31.64 | $96,660.20 | -2.9% | -37.8% | -27.0% | |
| May 13, 2025 | BXSL Blackstone Secured Lending Fund | Trustee | Buy | 1,626 | $30.78 | $50,048.28 | +10.3% | -2.5% | -23.7% | |
| Mar 10, 2025 | LUCK Lucky Strike Entertainment Corp | Director | Buy | 167 | $9.80 | $1,635.93 | +0.3% | -3.3% | -6.7% | |
| Dec 9, 2024 | LUCK Lucky Strike Entertainment Corp | Director | Buy | 140 | $11.96 | $1,674.40 | +0.4% | -22.4% | -25.2% | |
| Sep 9, 2024 | LUCK Lucky Strike Entertainment Corp | Director | Buy | 140 | $12.17 | $1,703.10 | +0.4% | +7.2% | -9.7% |