Key facts
- This page summarizes Teresa A. Harris's Form 4 filing for Altair Engineering Inc. (ALTR).
- 3 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 26 Mar 2025, 16:50.
Teresa A. Harris - 26 Mar 2025 Form 4 Insider Report for Altair Engineering Inc. (ALTR)
- Reporting relationship
- Director
- Issuer ticker
- ALTR
- Reported as of
- 26 Mar 2025
- Net transaction value
- -$3,779,606
- SEC form
- 4
- Accepted by SEC
- 26 Mar 2025, 16:50:20 UTC
- Prior SEC filing
- 06 Mar 2025
- Next SEC filing
- 09 May 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Raoul Maitra, attorney-in-fact for Teresa A. Harris
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Teresa A. Harris filed Form 4 for Altair Engineering Inc. (ALTR) on 26 Mar 2025.
Change
- Previous filing in this sequence was filed on 06 Mar 2025.
- Current net transaction value: -$3,779,606.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ALTR
transaction
Class A Common Stock
Disposed to Issuer
- Transaction value
- $2,044,396
- Shares
- -18,092
- Change %
- -100%
- Price
- $113.00
- Shares after
- 0
- Date
- 26 Mar 2025
- Ownership
- Direct
- Footnotes
- F1, F2, F3
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
ALTR
transaction
Derivative
Class A Common Stock Option
Disposed to Issuer
- Transaction value
- $1,303,930
- Shares
- -12,020
- Change %
- -100%
- Price
- $108.48
- Shares after
- 0
- Date
- 26 Mar 2025
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 12,020
- Exercise price
- $4.52
- Footnotes
- F1, F4
ALTR
transaction
Derivative
Class A Common Stock Option
Disposed to Issuer
- Transaction value
- $431,280
- Shares
- -4,000
- Change %
- -100%
- Price
- $107.82
- Shares after
- 0
- Date
- 26 Mar 2025
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 4,000
- Exercise price
- $5.18
- Footnotes
- F1, F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Section 16 status
Teresa A. Harris is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.
Explanation of responses 5 footnotes
Footnote 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.
Footnote F2
Includes 2,347 unvested Class A Common Stock restricted stock units ("RSUs").
Footnote F3
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. Each RSU that was granted under the Company's 2017 Equity Incentive Plan (the "2017 Plan") that was outstanding immediately prior to the consummation of the merger was vested, canceled and converted into the right to receive $113.00 in cash without interest.
Footnote F4
Each option that was outstanding immediately prior to the consummation of the merger was vested, canceled and converted into the right to receive the cash value of the option. This option was canceled upon consummation of the merger in exchange for an aggregate cash payment of $1,303,929.60, representing the difference between the exercise price of the option and $113.00.
Footnote F5
Each option that was outstanding immediately prior to the consummation of the merger was vested, canceled and converted into the right to receive the cash value of the option. This option was canceled upon consummation of the merger in exchange for an aggregate cash payment of $431,280.00, representing the difference between the exercise price of the option and $113.00.