XML 19 R10.htm IDEA: XBRL DOCUMENT
v3.23.3

Insider Trading Arrangements | 9 Months Ended
--- | ---
Sep. 30, 2023 shares
Trading Arrangements, by Individual |
Material Terms of Trading Arrangement | A written plan entered into by Evan Bakst, a Director of the Company, on May 23, 2023 for the sale of an aggregate 8,700 shares of common stock terminated in accordance with the plan term on September 15, 2023. The plan was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act. On September 14, 2023, David P. Sponsel, the Company's Executive Vice President, Sales, entered into a written plan for the sale of up to 104,680 shares of common stock. The number of shares of common stock to potentially be sold pursuant to this written plan will depend on the terms of current unvested equity compensation awards granted to Mr. Sponsel and the Company’s achievement relative to applicable performance measures for such current unvested equity compensation awards. In addition, the actual number of shares that will be released to Mr. Sponsel in connection with these awards and sold under Rule 10b5-1(c) will be net of the number of shares withheld to satisfy tax withholding obligations arising from the vesting of such shares and is not yet determinable. The plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act, and is scheduled to terminate no later than November 29, 2024. On September 11, 2023, Craig E. Hunsaker, the Company's Executive Vice President, People and Culture, entered into a written plan for the sale of shares of common stock. The number of shares of common stock to potentially be sold pursuant to this written plan is intended to satisfy tax withholding obligations arising from the vesting of such shares and is not yet determinable. The plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act, and is scheduled to terminate no later than March 28, 2024. On August 10, 2023, Scott Lish, the Company's Senior Vice President, Research & Development, modified a written plan for the sale of up to 97,585 shares of common stock. The number of shares of common stock to potentially be sold pursuant to this written plan will depend on the terms of current unvested equity compensation awards granted to Mr. Lish and the Company’s achievement relative to applicable performance measures for such current unvested equity compensation awards. In addition, the actual number of shares that will be released to Mr. Lish in connection with these awards and sold under Rule 10b5-1(c) will be net of the number of shares withheld to satisfy tax withholding obligations arising from the vesting of such shares and is not yet determinable. The plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act, and is scheduled to terminate no later than March 7, 2025. On August 10, 2023, Beth Altman, a Director of the Company, terminated a written plan for the sale of an aggregate 12,742 shares of common stock. The plan was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.
Evan Bakst |
Trading Arrangements, by Individual |
Name | Evan Bakst
Title | Director
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | May 23, 2023
Termination Date | September 15, 2023
Aggregate Available | 8,700
David P. Sponsel |
Trading Arrangements, by Individual |
Name | David P. Sponsel
Title | Executive Vice President
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | September 14, 2023
Termination Date | November 29, 2024
Aggregate Available | 104,680
Craig E. Hunsaker |
Trading Arrangements, by Individual |
Name | Craig E. Hunsaker
Title | Executive Vice President
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | September 11, 2023
Termination Date | March 28, 2024
Scott Lish |
Trading Arrangements, by Individual |
Name | Scott Lish
Title | Senior Vice President
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | August 10, 2023
Termination Date | March 7, 2025
Aggregate Available | 97,585
Beth Altman |
Trading Arrangements, by Individual |
Name | Beth Altman
Title | Director
Rule 10b5-1 Arrangement Adopted | true
Termination Date | August 10, 2023
Aggregate Available | 12,742

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_MtrlTermsOfTrdArrTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TradingArrByIndTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph B + Details
Name: | ecd_TrdArrAdoptionDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndName
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndTitle
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph D + Details
Name: | ecd_TrdArrSecuritiesAggAvailAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph B + Details
Name: | ecd_TrdArrTerminationDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ecd_IndividualAxis=atec_EvanBakstMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=atec_DavidPSponselMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=atec_CraigEHunsakerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=atec_ScottLishMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=atec_BethAltmanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |