Home/Filings/4/0000950170-25-045340
4//SEC Filing

Buckner Stephanie 4

Accession 0000950170-25-045340

CIK 0001701732other

Filed

Mar 25, 8:00 PM ET

Accepted

Mar 26, 4:42 PM ET

Size

48.3 KB

Accession

0000950170-25-045340

Insider Transaction Report

Form 4
Period: 2025-03-26
Buckner Stephanie
Chief Operating Officer
Transactions
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$107.82/sh300$32,3460 total
    Exercise: $5.18Exp: 2027-06-09Class A Common Stock (300 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$60.97/sh22,500$1,371,8250 total
    Exercise: $52.03Exp: 2030-12-02Class A Common Stock (22,500 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$67.09/sh24,000$1,610,1600 total
    Exercise: $45.91Exp: 2032-12-15Class A Common Stock (24,000 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$33.97/sh14,063$477,7200 total
    Exercise: $79.03Exp: 2034-03-15Class A Common Stock (14,063 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$60.97/sh6,000$365,8200 total(indirect: By Spouse)
    Exercise: $52.03Exp: 2030-12-02Class A Common Stock (6,000 underlying)
  • Disposition to Issuer

    Class A Common Stock

    2025-03-26$113.00/sh7,588$857,4440 total(indirect: By Spouse)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$51.07/sh6,280$320,7200 total
    Exercise: $61.93Exp: 2031-03-15Class A Common Stock (6,280 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$73.18/sh6,000$439,0800 total(indirect: By Spouse)
    Exercise: $39.82Exp: 2030-06-02Class A Common Stock (6,000 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$32.94/sh4,286$141,1810 total(indirect: By Spouse)
    Exercise: $80.06Exp: 2031-11-09Class A Common Stock (4,286 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$67.09/sh8,000$536,7200 total(indirect: By Spouse)
    Exercise: $45.91Exp: 2032-12-15Class A Common Stock (8,000 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$73.18/sh20,700$1,514,8260 total
    Exercise: $39.82Exp: 2030-06-02Class A Common Stock (20,700 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$47.81/sh12,500$597,6250 total
    Exercise: $65.19Exp: 2033-03-02Class A Common Stock (12,500 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$82.85/sh935$77,4650 total
    Exercise: $30.15Exp: 2030-03-11Class A Common Stock (935 underlying)
  • Disposition to Issuer

    Class A Common Stock

    2025-03-26$113.00/sh31,352$3,542,7760 total
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$51.21/sh6,000$307,2600 total
    Exercise: $61.79Exp: 2032-02-15Class A Common Stock (6,000 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$62.89/sh1,457$91,6310 total(indirect: By Spouse)
    Exercise: $50.11Exp: 2032-05-11Class A Common Stock (1,457 underlying)
  • Disposition to Issuer

    Class A Common Stock Option

    2025-03-26$47.81/sh1,780$85,1020 total(indirect: By Spouse)
    Exercise: $65.19Exp: 2033-03-02Class A Common Stock (1,780 underlying)
Footnotes (36)
  • [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.
  • [F10]This option represents an aggregate cash value of $77,464.75, representing the difference between the exercise price of the option and $113.00.
  • [F11]This option is fully vested.
  • [F12]This option represents an aggregate cash value of $1,514,826.00, representing the difference between the exercise price of the option and $113.00.
  • [F13]This option is fully vested.
  • [F14]This option represents an aggregate cash value of $1,371,825.00, representing the difference between the exercise price of the option and $113.00.
  • [F15]This option is fully vested.
  • [F16]This option represents an aggregate cash value of $320,719.60, representing the difference between the exercise price of the option and $113.00.
  • [F17]Includes 0 shares of Common Stock underlying the options that are unvested and scheduled to vest on or prior to December 31, 2025, and 1,500 shares of Common Stock underlying the options that are unvested and scheduled to vest on or after January 1, 2026.
  • [F18]This option represents an aggregate cash value of $307,260.00, representing the difference between the exercise price of the option and $113.00.
  • [F19]Includes 12,000 shares of Common Stock underlying the options that are unvested and scheduled to vest on or prior to December 31, 2025, and 0 shares of Common Stock underlying the options that are unvested and scheduled to vest on or after January 1, 2026.
  • [F2]Includes 0 Class A Common Stock restricted stock units ("RSUs") that are unvested and scheduled to vest on or prior to December 31, 2025, and 17,141 RSUs that are unvested and scheduled to vest on or after January 1, 2026.
  • [F20]This option represents an aggregate cash value of $1,610,160.00, representing the difference between the exercise price of the option and $113.00.
  • [F21]Includes 0 shares of Common Stock underlying the options that are unvested and scheduled to vest on or prior to December 31, 2025, and 6,250 shares of Common Stock underlying the options that are unvested and scheduled to vest on or after January 1, 2026.
  • [F22]This option represents an aggregate cash value of $597,625.00, representing the difference between the exercise price of the option and $113.00.
  • [F23]Includes 0 shares of Common Stock underlying the options that are unvested and scheduled to vest on or prior to December 31, 2025, and 10,547 shares of Common Stock underlying the options that are unvested and scheduled to vest on or after January 1, 2026.
  • [F24]This option represents an aggregate cash value of $477,720.11, representing the difference between the exercise price of the option and $113.00.
  • [F25]This option is fully vested.
  • [F26]This option represents an aggregate cash value of $439,080.00, representing the difference between the exercise price of the option and $113.00.
  • [F27]This option is fully vested.
  • [F28]This option represents an aggregate cash value of $365,820.00, representing the difference between the exercise price of the option and $113.00.
  • [F29]Includes 1,071 shares of Common Stock underlying the options that are unvested and scheduled to vest on or prior to December 31, 2025, and 0 shares of Common Stock underlying the options that are unvested and scheduled to vest on or after January 1, 2026.
  • [F3]Upon the consummation of the merger, each issued and outstanding share of the Company's Class A Common Stock ("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 and was scheduled to vest on or before December 31, 2025 was vested, canceled and converted into the right to receive $113.00 in cash without interest.
  • [F30]This option represents an aggregate cash value of $141,180.84, representing the difference between the exercise price of the option and $113.00.
  • [F31]Includes 364 shares of Common Stock underlying the options that are unvested and scheduled to vest on or prior to December 31, 2025, and 364 shares of Common Stock underlying the options that are unvested and scheduled to vest on or after January 1, 2026.
  • [F32]This option represents an aggregate cash value of $91,630.73, representing the difference between the exercise price of the option and $113.00.
  • [F33]Includes 4,000 shares of Common Stock underlying the options that are unvested and scheduled to vest on or prior to December 31, 2025, and 0 shares of Common Stock underlying the options that are unvested and scheduled to vest on or after January 1, 2026.
  • [F34]This option represents an aggregate cash value of $536,720.00, representing the difference between the exercise price of the option and $113.00.
  • [F35]Includes 0 shares of Common Stock underlying the options that are unvested and scheduled to vest on or prior to December 31, 2025, and 890 shares of Common Stock underlying the options that are unvested and scheduled to vest on or after January 1, 2026.
  • [F36]This option represents an aggregate cash value of $85,101.80, representing the difference between the exercise price of the option and $113.00.
  • [F4](continued from footnote 3) Each RSU that was granted under the 2017 Plan that was outstanding immediately prior to the consummation of the merger, and scheduled to vest on or after January 1, 2026 was canceled and converted into the right to receive $113.00 in cash without interest, and will be paid on the last day of the calendar quarter preceding the quarter in which such RSU would have otherwise vested in accordance with the vesting schedule in effect immediately prior to the consummation of the merger, less any applicable withholding taxes, subject to acceleration in certain circumstances.
  • [F5]Includes 478 Class A Common Stock restricted stock units ("RSUs") that are unvested and scheduled to vest on or prior to December 31, 2025, and 1,074 RSUs that are unvested and scheduled to vest on or after January 1, 2026.
  • [F6]This option is fully vested.
  • [F7]Each option that was outstanding immediately prior to the consummation of the merger and was scheduled to vest on or before December 31, 2025 was vested, canceled and converted into the right to receive the cash value of the option. Each option that was outstanding immediately prior to the consummation of the merger, and scheduled to vest on or after January 1, 2026 was canceled and converted into a right to receive the cash value of the option, such cash value of the option to be paid on the last day of the calendar quarter preceding the quarter in which such option would have otherwise vested in accordance with the vesting schedule in effect immediately prior to the consummation of the merger, less any applicable withholding taxes, subject to acceleration in certain circumstances.
  • [F8]This option represents an aggregate cash value of $32,346.00, representing the difference between the exercise price of the option and $113.00.
  • [F9]This option is fully vested.

Documents

1 file

Issuer

Altair Engineering Inc.

CIK 0001701732

Entity typeother

Related Parties

1
  • filerCIK 0001839690

Filing Metadata

Form type
4
Filed
Mar 25, 8:00 PM ET
Accepted
Mar 26, 4:42 PM ET
Size
48.3 KB