| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Class A Common Stock | Conversion of derivative security | $0 | +19.1K | $0.00 | 19.1K | Dec 15, 2021 | Direct | ||
| transaction | ALTR | Class A Common Stock | Sale | -$349K | -4.98K | -26% | $70.07 | 14.2K | Dec 15, 2021 | Direct | F1, F2 |
| transaction | ALTR | Class A Common Stock | Sale | -$472K | -6.64K | -46.86% | $71.11 | 7.53K | Dec 15, 2021 | Direct | F1, F3 |
| transaction | ALTR | Class A Common Stock | Sale | -$515K | -7.13K | -94.69% | $72.32 | 400 | Dec 15, 2021 | Direct | F1, F4 |
| transaction | ALTR | Class A Common Stock | Sale | -$29.1K | -400 | -100% | $72.73 | 0 | Dec 15, 2021 | Direct | F1, F5 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Class B Common Stock | Conversion of derivative security | $0 | -19.1K | -0.28% | $0.00 | 6.79M | Dec 15, 2021 | Class A Common Stock | 19.1K | $0.00 | Direct | F6 |
| Id | Content |
|---|---|
| F1 | The sale of the shares of Class A Common Stock were made pursuant to a plan intended to comply with Rule 10b5-1 of the Exchange Act, previously entered into on June 15, 2020 and as modified on December 15, 2020. |
| F2 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.67 to $70.63 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering Inc., 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 ranges set forth herein. |
| F3 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.67 to $71.63 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering Inc., 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 ranges set forth herein. |
| F4 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.70 to $72.64 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering Inc., 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 ranges set forth herein. |
| F5 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.71 to $72.78 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering Inc., 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 ranges set forth herein. |
| F6 | Each share of Class B common stock is immediately convertible, at the option of the shareholder, into one share of Class A common stock and shall automatically convert into Class A common stock upon the occurrence of certain events. Please see Altair Engineering Inc. Registration Statement filed with the Securities and Exchange Commission on Form S-1 (File No. 333-220710) for a description of the conversion rights. |