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Insider · CIK 0001720808

GC Investments LLC

owner

Files at ALTR (Altair Engineering Inc.). First filing Oct 15, 2024, latest Oct 15, 2024.

GC Investments LLC files SEC Form 4 as 10% owner at ALTR (Altair Engineering Inc.). Since Oct 15, 2024, GC Investments LLC has reported 0 open-market buys worth $0 and 1 open-market sell worth $9.5M, the latest filed on Oct 15, 2024.

A track record needs three past buys with six months of prices behind them; GC Investments LLC has 0, so none is measured yet.

The newest scored trade: sold $9.5M of ALTR on Oct 11, 2024, filed Oct 15, 2024, scored 62 (notable).

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $9.5M sold

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
62Notable
ALTRsell 3
Altair Engineering Inc.
$9.5M
100,000 shares
-25%-

Transactions

Every row this insider has filed, 5 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Mar 26, 2025ALTR
Altair Engineering Inc.
DDisposition to issuer
Class A Common Stock
-300,000$113.00$34M0Mar 26, 2025
Mar 26, 2025ALTR
Altair Engineering Inc.
DDisposition to issuer
Class B Common Stockderivative
-4,044,004$113.00$457M0Mar 26, 2025
Oct 11, 2024ALTR
Altair Engineering Inc.
SOpen-market sale
Class A Common Stock
-94,109$95.20$9.0M305,891Oct 15, 2024
Oct 11, 2024ALTR
Altair Engineering Inc.
SOpen-market sale
Class A Common Stock
-3,715$96.15$357k302,176Oct 15, 2024
Oct 14, 2024ALTR
Altair Engineering Inc.
SOpen-market sale
Class A Common Stock
-2,176$95.31$207k300,000Oct 15, 2024

Questions about GC Investments LLC

Answered from the filings on this page, as of the latest one.

Is GC Investments LLC buying or selling?

Not in the last 12 months. GC Investments LLC's latest open-market trade on SEC Form 4 was sold $9.5M of ALTR on Oct 11, 2024.

How did GC Investments LLC's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and GC Investments LLC has 0.

Where does GC Investments LLC file Form 4?

GC Investments LLC has filed Form 4 at ALTR (Altair Engineering Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.

GC Investments LLC: insider trades and track record | InsiderTell