Insider · CIK 0001720642
Nelson Dias
Files at ALTR (Altair Engineering Inc.). First filing Dec 11, 2024, latest Mar 19, 2025.
Nelson Dias files SEC Form 4 as officer at ALTR (Altair Engineering Inc.). Since Dec 11, 2024, Nelson Dias has reported 0 open-market buys worth $0 and 4 open-market sells worth $2.7M, the latest filed on Mar 19, 2025.
A track record needs three past buys with six months of prices behind them; Nelson Dias has 0, so none is measured yet.
The newest scored trade: sold $186k of ALTR on Mar 17, 2025, filed Mar 19, 2025, scored 42 (moderate).
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 42Moderate | Altair Engineering Inc. | $186k 1,671 shares | -3% | - | |
| 37Weak | Altair Engineering Inc. | $55k 491 shares | -1% | - | |
| 36Weak | Altair Engineering Inc. | $42k 373 shares | -1% | - | |
| 50Moderate | Altair Engineering Inc. | $2.4M 22,500 shares | -32% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Mar 18, 2025 | ALTR Altair Engineering Inc. | 1,665 0.00% of outstanding | $185k | Mar 18, 2025 | $96k |
| Mar 3, 2025 | ALTR Altair Engineering Inc. | 488 0.00% of outstanding | $54k | Mar 3, 2025 | $42k |
| Dec 10, 2024 | ALTR Altair Engineering Inc. | 22,500 0.04% of outstanding | $2.4M | Dec 10, 2024 | none |
Transactions
Every row this insider has filed, 15 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 26, 2025 | ALTR Altair Engineering Inc. | DDisposition to issuer Class A Common Stock | -55,411 | $113.00 | $6.3M | 0 | Mar 26, 2025 |
| Mar 26, 2025 | ALTR Altair Engineering Inc. | DDisposition to issuer Class A Common Stock Optionderivative | -294 | $83.78 | $25k | 0 | Mar 26, 2025 |
| Mar 26, 2025 | ALTR Altair Engineering Inc. | DDisposition to issuer Class A Common Stock Optionderivative | -22,500 | $60.97 | $1.4M | 0 | Mar 26, 2025 |
| Mar 26, 2025 | ALTR Altair Engineering Inc. | DDisposition to issuer Class A Common Stock Optionderivative | -5,443 | $51.07 | $278k | 0 | Mar 26, 2025 |
| Mar 26, 2025 | ALTR Altair Engineering Inc. | DDisposition to issuer Class A Common Stock Optionderivative | -11,375 | $51.21 | $583k | 0 | Mar 26, 2025 |
| Mar 26, 2025 | ALTR Altair Engineering Inc. | DDisposition to issuer Class A Common Stock Optionderivative | -24,000 | $67.09 | $1.6M | 0 | Mar 26, 2025 |
| Mar 26, 2025 | ALTR Altair Engineering Inc. | DDisposition to issuer Class A Common Stock Optionderivative | -12,500 | $47.81 | $598k | 0 | Mar 26, 2025 |
| Mar 26, 2025 | ALTR Altair Engineering Inc. | DDisposition to issuer Class A Common Stock Optionderivative | -13,438 | $33.97 | $456k | 0 | Mar 26, 2025 |
| Mar 17, 2025 | ALTR Altair Engineering Inc. | SOpen-market sale Class A Common Stock | -1,671 | $111.30 | $186k | 55,411 | Mar 19, 2025 |
| Mar 3, 2025 | ALTR Altair Engineering Inc. | SOpen-market sale Class A Common Stock | -491 | $111.45 | $55k | 57,082 | Mar 5, 2025 |
| Feb 26, 2025 | ALTR Altair Engineering Inc. | SOpen-market sale Class A Common Stock | -373 | $111.53 | $42k | 57,573 | Feb 27, 2025 |
| Feb 12, 2025 | ALTR Altair Engineering Inc. | AGrant or award Class A Common Stock | +9,509 | $0.00 | $0 | 57,946 | Feb 14, 2025 |
| Dec 10, 2024 | ALTR Altair Engineering Inc. | MOption exercise Class A Common Stock | +22,500 | $0.00 | $0 | 70,937 | Dec 11, 2024 |
| Dec 10, 2024 | ALTR Altair Engineering Inc. | SOpen-market sale Class A Common Stock | -22,500 | $106.23 | $2.4M | 48,437 | Dec 11, 2024 |
| Dec 10, 2024 | ALTR Altair Engineering Inc. | MOption exercise Stock Option (Right to Buy)derivative | -22,500 | $0.00 | $0 | 0 | Dec 11, 2024 |
Questions about Nelson Dias
Answered from the filings on this page, as of the latest one.
Is Nelson Dias buying or selling?
Not in the last 12 months. Nelson Dias's latest open-market trade on SEC Form 4 was sold $186k of ALTR on Mar 17, 2025.
How did Nelson Dias's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Nelson Dias has 0.
Where does Nelson Dias file Form 4?
Nelson Dias has filed Form 4 at ALTR (Altair Engineering Inc.) as Chief Revenue Officer. 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.