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sellNotable cluster of 2

James Fu Bin Lu sold $5.5M of GRND

owner at Grindr Inc.. 415,307 shares at an average of $13.22, traded Jan 9, 2026, filed Jan 13, 2026.

Warning score
65
Value
$5.5M
415,307 shares
Holdings after
4,455
-99% from before
From 52-week low
+11%
low $11.96, close $13.22
From 52-week high
-47%
high $24.73, as of Jan 9, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $5.5M at market
    +25
  • Share of holdings sold
    Sold 99% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -25.2%, 3m -4.0%, 6m +18.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

GRNDOct 13, 2026 · close 15.47
Since filing Jan 13, 2026: +17.6%SPY +13.0% · excess +4.5%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-26-011882, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 9, 2026SOpen-market sale
Common Stock
-302,939$13.22$4.0M116,823Jan 13, 2026
Jan 12, 2026SOpen-market sale
Common Stock
-112,368$13.23$1.5M4,455Jan 13, 2026

Related signals

Other insiders at Grindr Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
20Weak
GRNDsell10b5-1
Grindr Inc.
George Raymond Zage III
director, owner
$6.9M
500,000 shares
-7%
28Weak
GRNDsell 210b5-1
Grindr Inc.
George Raymond Zage III
director, owner
$7.8M
500,000 shares
-6%
23Weak
GRNDsell 310b5-1
Grindr Inc.
Zachary Katz
CLO and Head of Global Affairs
$237k
15,227 shares
-2%
20Weak
GRNDsell 310b5-1
Grindr Inc.
Austin J Balance
Chief Product Officer
$1.4M
89,638 shares
-10%
17Weak
GRNDsell 310b5-1
Grindr Inc.
Daniel Brooks Baer
director
$55k
3,500 shares
-7%
21Weak
GRNDsell 310b5-1
Grindr Inc.
Zachary Katz
CLO and Head of Global Affairs
$161k
10,172 shares
-1%
8Weak
GRNDsell10b5-1
Grindr Inc.
Zachary Katz
CLO and Head of Global Affairs
$232k
12,979 shares
-2%
6Weak
GRNDsell10b5-1
Grindr Inc.
Zachary Katz
CLO and Head of Global Affairs
$162k
10,172 shares
-1%
7Weak
GRNDsell10b5-1
Grindr Inc.
Zachary Katz
CLO and Head of Global Affairs
$208k
12,800 shares
-2%
7Weak
GRNDsell10b5-1
Grindr Inc.
Zachary Katz
CLO and Head of Global Affairs
$188k
12,799 shares
-2%

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.

James Fu Bin Lu sold $5.5M of GRND | InsiderTell