| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Class A Common Stock | Disposed to Issuer | $21,184,675 | -187,475 | -100% | $113.00 | 0 | 26 Mar 2025 | By The Dana Christ Irrevocable Trust Dated May 8, 2015 | F1, F2, F3 |
| transaction | ALTR | Class A Common Stock | Disposed to Issuer | $21,184,675 | -187,475 | -100% | $113.00 | 0 | 26 Mar 2025 | By The Lauren Christ Irrevocable Trust Dated May 8, 2015 | F1, F2, F3 |
| transaction | ALTR | Class A Common Stock | Disposed to Issuer | $33,900,000 | -300,000 | -100% | $113.00 | 0 | 26 Mar 2025 | By GC Investments | F1, F2, F4 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Class B Common Stock | Disposed to Issuer | $456,972,452 | -4,044,004 | -100% | $113.00 | 0 | 26 Mar 2025 | Class A Common Stock | 4,044,004 | $0.000000 | By GC Investments | F1, F4, F5, F6 |
| transaction | ALTR | Class B Common Stock | Disposed to Issuer | $506,440,914 | -4,481,778 | -100% | $113.00 | 0 | 26 Mar 2025 | Class A Common Stock | 4,481,778 | $0.000000 | By Christ Revocable Trust | F1, F5, F6, F7 |
George J. Christ is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
| Id | Content |
|---|---|
| F1 | On March 26, 2025, the Company was acquired by Siemens Industry Software Inc. ("Siemens") pursuant to the merger agreement entered into among the Company, Siemens, and Astra Merger Sub Inc., dated as of October 30, 2024. |
| F2 | Upon the consummation of the merger, each issued and outstanding share of the Company's Class A Common Stock was canceled and converted into the right receive $113.00 in cash without interest. |
| F3 | Reporting person serves as co-Trustee. Reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. |
| F4 | Reporting person serves as Manager. Reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. |
| F5 | Upon the consummation of the merger, each issued and outstanding share of the Company's Class B Common Stock was canceled and converted into the right receive $113.00 in cash without interest. |
| F6 | Each share of the Company's Class B Common Stock was immediately convertible, at the option of the shareholder, into one share of Class A Common Stock and automatically convertible into Class A Common Stock upon the occurrence of certain events. |
| F7 | Reporting person serves as Trustee. Reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. |