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ONE STOP SYSTEMS, INC.

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2767
SEC CIK
0001394056
Parsed reports
310

Last 12 months

Inside the activity.

0 purchase rows · 3 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202603
Jun 202600
Jul 202600
Aug 202600
Sep 202600
Oct 202600

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 15, 2026 Filed Sep 4, 2026 16:33 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 8,621 $13.61 $117,331.81
Disclosure

SEC source: 0001193125-26-383260 · ownership.xml · nonDerivative · entry 2

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 590,141

F3 · shares: The Reporting Person forfeited 8,621 shares of common stock upon conversion of an aggregate 21,908 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on July 1, 2024.

F4 · balance_after: Includes 289,495 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
August 07, 2026 Filed Sep 4, 2026 16:33 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 8,621 $13.32 $114,831.72
Disclosure

SEC source: 0001193125-26-383260 · ownership.xml · nonDerivative · entry 1

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 598,762

F1 · shares: The Reporting Person forfeited 8,621 shares of common stock upon conversion of an aggregate 21,908 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on February 7, 2025.

F2 · balance_after: Includes 311,403 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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August 07, 2026 Filed Sep 4, 2026 16:31 UTC
Gabel Daniel G.Chief Financial Officer
Tax withholdingCommon Stock 3,832 $13.32 $51,042.24
Disclosure

SEC source: 0001193125-26-383256 · ownership.xml · nonDerivative · entry 1

Gabel Daniel G. · CIK 0002044400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,064

F1 · shares: The Reporting Person forfeited 3,832 shares of common stock upon conversion of an aggregate 11,881 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on February 7, 2025.

F2 · balance_after: Includes 115,881 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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June 05, 2026 Filed Jun 12, 2026 17:21 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 19,675 $16.89 $332,310.75
Disclosure

SEC source: 0001193125-26-269730 · ownership.xml · nonDerivative · entry 1

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 607,383

F1 · shares: The Reporting Person forfeited 19,675 shares of common stock upon conversion of an aggregate 50,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on June 6, 2023.

F2 · balance_after: Includes 333,311 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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May 26, 2026 Filed May 26, 2026 21:58 UTC SaleCommon Stock 8,000 $17.64 $141,120.00
Disclosure

SEC source: 0001193125-26-239770 · ownership.xml · nonDerivative · entry 3

BASSETT DAVID GEORGE · CIK 0002070983 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,984

F5 · shares: The Reporting Person sold 8,000 shares of common stock upon conversion of an aggregate 21,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of sale. These restricted stock units were part of the grant to the Reporting Person on May 21, 2025.

F6 · balance_after: Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 13,000 shares of common stock.

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May 26, 2026 Filed May 26, 2026 21:44 UTC SaleCommon Stock 8,000 $17.52 $140,160.00
Disclosure

SEC source: 0001193125-26-239727 · ownership.xml · nonDerivative · entry 2

Matz Gregory W · CIK 0001536574 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,914

F3 · shares: The Reporting Person sold 8,000 shares of common stock upon conversion of an aggregate 21,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of sale. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on May 23, 2025.

F4 · balance_after: Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 66,930 shares of common stock.

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May 26, 2026 Filed May 26, 2026 21:04 UTC SaleCommon Stock 5,000 $17.62 $88,100.00
Disclosure

SEC source: 0001193125-26-239598 · ownership.xml · nonDerivative · entry 2

Herbets Mitchell H · CIK 0001644289 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,984

F3 · shares: The Reporting Person sold 5,000 shares of common stock upon conversion of an aggregate 21,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of sale. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on May 28, 2025.

F4 · balance_after: Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 37,000 shares of common stock.

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May 20, 2026 Filed May 26, 2026 21:58 UTC GrantCommon Stock 11,984 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-239770 · ownership.xml · nonDerivative · entry 2

BASSETT DAVID GEORGE · CIK 0002070983 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,984

F3 · shares: Represents 11,984 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions.

F4 · balance_after: Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 21,000 shares of common stock.

Read SEC document
May 20, 2026 Filed May 26, 2026 21:44 UTC GrantCommon Stock 11,984 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-239727 · ownership.xml · nonDerivative · entry 1

Matz Gregory W · CIK 0001536574 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,914

F1 · shares: Represents 11,984 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions.

F2 · balance_after: Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 74,930 shares of common stock.

Read SEC document
May 20, 2026 Filed May 26, 2026 21:19 UTC GrantCommon Stock 11,984 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-239650 · ownership.xml · nonDerivative · entry 1

Dumont Michael J. · CIK 0001994330 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,833

F1 · shares: Represents 11,984 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions.

F2 · balance_after: Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 107,849 shares of common stock.

Read SEC document
May 20, 2026 Filed May 26, 2026 21:04 UTC GrantCommon Stock 11,984 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-239598 · ownership.xml · nonDerivative · entry 1

Herbets Mitchell H · CIK 0001644289 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,984

F1 · shares: Represents 11,984 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions.

F2 · balance_after: Includes 11,984 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 42,000 shares of common stock.

Read SEC document
May 11, 2026 Filed May 28, 2026 16:46 UTC
Gabel Daniel G.Chief Financial Officer
Tax withholdingCommon Stock 1,613 $15.68 $25,291.84
Disclosure

SEC source: 0001193125-26-243825 · ownership.xml · nonDerivative · entry 1

Gabel Daniel G. · CIK 0002044400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,896

F1 · shares: The Reporting Person forfeited 1,613 shares of common stock upon conversion of an aggregate 5,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on November 11, 2024.

F2 · balance_after: Includes 127,762 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 15, 2026 Filed Mar 2, 2026 13:52 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 6,650 $8.70 $57,855.00
Disclosure

SEC source: 0001755059-26-000004 · ownership.xml · nonDerivative · entry 2

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 648,058

F3 · shares: The Reporting Person forfeited 6,650 shares of common stock upon conversion of an aggregate 21,908 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on July 1, 2024.

F4 · balance_after: Includes 404,311 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 15, 2026 Filed Mar 2, 2026 19:42 UTC GiftCommon Stock 4,263 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-085115 · ownership.xml · nonDerivative · entry 7

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 231,148

F6 · ownership.nature: These shares are owned directly by the Trust, and indirectly by James Ison as trustee of the Trust.

Read SEC document
February 15, 2026 Filed Mar 2, 2026 19:42 UTC GiftCommon Stock 4,263 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-085115 · ownership.xml · nonDerivative · entry 6

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,907

F9 · shares: On February 15, 2026 the Reporting Person transferred 4,263 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Shah-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.

F8 · balance_after: Includes 125,934 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 15, 2026 Filed Mar 2, 2026 19:42 UTC Tax withholdingCommon Stock 3,120 $8.70 $27,144.00
Disclosure

SEC source: 0001193125-26-085115 · ownership.xml · nonDerivative · entry 5

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,170

F7 · shares: The Reporting Person forfeited 3,120 shares of common stock upon conversion of 7,383 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the Issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on July 1, 2024.

F8 · balance_after: Includes 125,934 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 07, 2026 Filed Feb 11, 2026 19:23 UTC
Gabel Daniel G.Chief Financial Officer
GrantCommon Stock 55,239 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-046241 · ownership.xml · nonDerivative · entry 1

Gabel Daniel G. · CIK 0002044400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,308

F1 · shares: Represents 55,239 restricted stock units granted to the Reporting Person under the Company's 2017 Equity Incentive Plan (the "Plan") in connection with the Reporting Person's ongoing service of the executive management team.

F2 · balance_after: Includes 156,523 unvested restriced stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 07, 2026 Filed Feb 11, 2026 14:21 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
GrantCommon Stock 101,862 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-046236 · ownership.xml · nonDerivative · entry 1

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 668,006

F1 · shares: Represents 101,862 restricted stock units granted to the Reporting Person under the Company's 2017 Equity Incentive Plan (the "Plan") in connection with the Reporting Person's ongoing service of the executive management team.

F2 · balance_after: Includes 470,035 unvested restriced stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 07, 2026 Filed Mar 2, 2026 18:53 UTC
Gabel Daniel G.Chief Financial Officer
Tax withholdingCommon Stock 7,799 $9.24 $72,062.76
Disclosure

SEC source: 0002044400-26-000004 · ownership.xml · nonDerivative · entry 1

Gabel Daniel G. · CIK 0002044400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,509

F1 · shares: The Reporting Person forfeited 7,799 shares of common stock upon conversion of an aggregate 23,761vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on February 7, 2025.

F2 · balance_after: Includes 132,762 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 07, 2026 Filed Mar 2, 2026 13:52 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 13,298 $9.24 $122,873.52
Disclosure

SEC source: 0001755059-26-000004 · ownership.xml · nonDerivative · entry 1

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 654,708

F1 · shares: The Reporting Person forfeited 13,298 shares of common stock upon conversion of an aggregate 43,816 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on February 7, 2025.

F2 · balance_after: Includes 426,219 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 07, 2026 Filed Mar 2, 2026 19:42 UTC GiftCommon Stock 8,213 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-085115 · ownership.xml · nonDerivative · entry 4

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 226,885

F6 · ownership.nature: These shares are owned directly by the Trust, and indirectly by James Ison as trustee of the Trust.

Read SEC document
February 07, 2026 Filed Mar 2, 2026 19:42 UTC GiftCommon Stock 8,213 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-085115 · ownership.xml · nonDerivative · entry 3

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,077

F5 · shares: On February 7, 2026 the Reporting Person transferred 8,213 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Shah-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.

F4 · balance_after: Includes 133,317 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 07, 2026 Filed Mar 2, 2026 19:42 UTC Tax withholdingCommon Stock 6,546 $9.24 $60,485.04
Disclosure

SEC source: 0001193125-26-085115 · ownership.xml · nonDerivative · entry 2

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,290

F3 · shares: The Reporting Person forfeited 6,546 shares of common stock upon conversion of 14,759 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the Issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on February 7, 2025.

F4 · balance_after: Includes 133,317 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
February 07, 2026 Filed Mar 2, 2026 19:42 UTC GrantCommon Stock 34,313 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-085115 · ownership.xml · nonDerivative · entry 1

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,836

F1 · shares: Represents 34,313 restricted stock units granted to the Reporting Person under the Company's 2017 Equity Incentive Plan (the "Plan") in connection with the Reporting Person's ongoing service of the executive management team.

F2 · balance_after: Includes 148,076 unvested restriced stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
December 31, 2025 Filed Jan 7, 2026 15:15 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 19,075 $7.18 $136,958.50
Disclosure

SEC source: 0001193125-26-006144 · ownership.xml · nonDerivative · entry 1

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 566,144

F1 · shares: The Reporting Person forfeited 19,075 shares of common stock upon conversion of an aggregate 50,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on June 6, 2023.

F2 · balance_after: Includes 368,173 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
December 31, 2025 Filed Jan 12, 2026 23:06 UTC
Gabel Daniel G.Chief Financial Officer
Tax withholdingCommon Stock 3,215 $7.18 $23,083.70
Disclosure

SEC source: 0001193125-26-010738 · ownership.xml · nonDerivative · entry 1

Gabel Daniel G. · CIK 0002044400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,069

F1 · shares: The Reporting Person forfeited 3,215 shares of common stock upon conversion of an aggregate 10,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on November 11, 2024.

F2 · balance_after: Includes 101,284 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
August 20, 2025 Filed Aug 25, 2025 23:32 UTC GiftCommon Stock 4,271 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-111281 · ownership.xml · nonDerivative · entry 3

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 218,672

F4 · ownership.nature: These shares are owned directly by the Trust, and indirectly by James Ison as trustee of the Trust.

Read SEC document
August 20, 2025 Filed Aug 25, 2025 23:32 UTC GiftCommon Stock 4,271 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-111281 · ownership.xml · nonDerivative · entry 2

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,523

F3 · shares: On August 20, 2025 the Reporting Person transferred 4,271 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Shah-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.

F2 · balance_after: Includes 113,763 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
August 20, 2025 Filed Aug 25, 2025 23:32 UTC Tax withholdingCommon Stock 3,113 $5.26 $16,374.38
Disclosure

SEC source: 0000950170-25-111281 · ownership.xml · nonDerivative · entry 1

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,794

F1 · shares: The Reporting Person forfeited 3,113 shares of common stock upon conversion of 7,384 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the Issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on March 20, 2023.

F2 · balance_after: Includes 113,763 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
August 20, 2025 Filed Sep 2, 2025 19:49 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 8,359 $5.26 $43,968.34
Disclosure

SEC source: 0000950170-25-112624 · ownership.xml · nonDerivative · entry 5

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 585,219

F9 · shares: The Reporting Person forfeited 8,359 shares of common stock upon conversion of an aggregate 21,909 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on June 6, 2023.

F10 · balance_after: Includes 418,173 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
June 05, 2025 Filed Sep 2, 2025 19:49 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 19,075 $3.06 $58,369.50
Disclosure

SEC source: 0000950170-25-112624 · ownership.xml · nonDerivative · entry 4

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 593,578

F7 · shares: The Reporting Person forfeited 19,075 shares of common stock upon conversion of an aggregate 50,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on June 6, 2023.

F8 · balance_after: Includes 440,082 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
May 21, 2025 Filed May 23, 2025 23:10 UTC GrantCommon Stock 21,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-077237 · ownership.xml · nonDerivative · entry 1

Matz Gregory W · CIK 0001536574 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,930

F1 · shares: Represents 21,000 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions.

F2 · balance_after: Includes 21,000 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 53,930 shares of common stock.

Read SEC document
May 21, 2025 Filed May 27, 2025 10:03 UTC Tax withholdingCommon Stock 21,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-077339 · ownership.xml · nonDerivative · entry 1

Dumont Michael J. · CIK 0001994330 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,000

F1 · shares: Represents 21,000 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions.

F2 · balance_after: Includes 21,000 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

Read SEC document
May 21, 2025 Filed May 28, 2025 12:26 UTC GrantCommon Stock 21,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-078081 · ownership.xml · nonDerivative · entry 1

Herbets Mitchell H · CIK 0001644289 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,000

F1 · shares: Represents 21,000 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions.

F2 · balance_after: Includes 21,000 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions and 21,000 shares of common stock.

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May 21, 2025 Filed Sep 2, 2025 19:49 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
GrantCommon Stock 21,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-112624 · ownership.xml · nonDerivative · entry 3

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 612,653

F5 · shares: Represents 21,000 restricted stock units granted to the Reporting Person under the Company's 2017 Equity Incentive Plan (the "Plan") in connection with the Reporting Person's ongoing service of the executive management team.

F6 · balance_after: Includes 490,082 unvested restriced stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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May 21, 2025 Filed Mar 27, 2026 18:53 UTC Amendment
KNOWLES MICHAELDirector · Chief Executive Officer
GrantCommon Stock 0 $0.00 $0.00
Disclosure

SEC source: 0001755059-26-000006 · ownership.xml · nonDerivative · entry 1

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 591,653

F1 · shares: This Form 4/A amends the Form 4 filed on September 2, 2025, solely to correct a clerical error in the prior report, which incorrectly reflected the grant of 21,000 restricted stock units on May 21, 2025.

F2 · balance_after: As a result of this update, the number of shares beneficially owned by the Reporting Person following such transaction has been correspondingly decreased by 21,000 shares. As of March 16, 2026, the Reporting Person beneficially owns 627,058 shares. This amendment does not reflect any change in beneficial ownership other than as described above.

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May 21, 2025 Filed May 26, 2026 21:58 UTC GrantCommon Stock 21,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-239770 · ownership.xml · nonDerivative · entry 1

BASSETT DAVID GEORGE · CIK 0002070983 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,000

F1 · shares: Represents 21,000 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), in connection with the Reporting Person's service as a director of the Issuer, which restricted stock units are subject to vesting conditions.

F2 · balance_after: Includes 21,000 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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February 20, 2025 Filed Mar 13, 2025 21:00 UTC GiftCommon 7,760 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-038859 · ownership.xml · nonDerivative · entry 3

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 214,401

F4 · ownership.nature: These shares are owned directly by the Trust, and indirectly by James Ison as trustee of the Trust.

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February 20, 2025 Filed Mar 13, 2025 21:00 UTC GiftCommon Stock 7,760 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-038859 · ownership.xml · nonDerivative · entry 2

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,907

F3 · shares: On February 20, 2025 the Reporting Person transferred 8,227 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Sha-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.

F2 · balance_after: Includes 121,147 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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February 20, 2025 Filed Mar 13, 2025 21:00 UTC Tax withholdingCommon Stock 7,006 $3.76 $26,342.56
Disclosure

SEC source: 0000950170-25-038859 · ownership.xml · nonDerivative · entry 1

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,667

F1 · kind: The Reporting Person forfeited 7,006 shares of common stock upon conversion of 14,766 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the Issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on March 20, 2023

F2 · balance_after: Includes 121,147 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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February 20, 2025 Filed Sep 2, 2025 19:49 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
Tax withholdingCommon Stock 16,800 $3.76 $63,168.00
Disclosure

SEC source: 0000950170-25-112624 · ownership.xml · nonDerivative · entry 2

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 591,653

F3 · shares: The Reporting Person forfeited 16,800 shares of common stock upon conversion of an aggregate 43,816 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on June 6, 2023.

F4 · balance_after: Includes 469,082 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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February 07, 2025 Filed Feb 24, 2025 22:02 UTC GrantCommon Stock 44,279 $4.06 $179,772.74
Disclosure

SEC source: 0000950170-25-025769 · ownership.xml · nonDerivative · entry 1

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,913

F1 · shares: Represents 44,279 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended (the "Plan"), which restricted stock units are subject to vesting conditions.

F2 · balance_after: Consists of 135,913 restricted stock units held by the Reporting Person, all of which are subject to certain vesting conditions.

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February 07, 2025 Filed Mar 5, 2025 20:39 UTC
Gabel Daniel G.Chief Financial Officer
GrantCommon Stock 71,284 $4.06 $289,413.04
Disclosure

SEC source: 0000950170-25-033457 · ownership.xml · nonDerivative · entry 1

Gabel Daniel G. · CIK 0002044400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,284

F1 · shares: Represents 71,284 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended, in connection with the Reporting Person's continued service on the management team.

F2 · balance_after: Consists of 111,284 unvested resticted stock units held by Reporting Person, all of which remain subject to certain vesting conditions.

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February 07, 2025 Filed Sep 2, 2025 19:49 UTC
KNOWLES MICHAELDirector · Chief Executive Officer
GrantCommon Stock 131,448 $4.06 $533,678.88
Disclosure

SEC source: 0000950170-25-112624 · ownership.xml · nonDerivative · entry 1

KNOWLES MICHAEL · CIK 0001755059 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 608,453

F1 · shares: Represents 131,448 restricted stock units granted to the Reporting Person under the Company's 2017 Equity Incentive Plan (the "Plan") in connection with the Reporting Person's ongoing service of the executive management team.

F2 · balance_after: Includes 512,898 unvested restriced stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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November 11, 2024 Filed Nov 13, 2024 01:53 UTC
Gabel Daniel G.Chief Financial Officer
GrantCommon Stock 40,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-125874 · ownership.xml · nonDerivative · entry 1

Gabel Daniel G. · CIK 0002044400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

F1 · shares: Represents 40,000 restricted stock units granted to the Reporting Person under the Issuer's 2017 Equity Incentive Plan, as amended, in connection with the Reporting Person's appointment as Chief Financial Officer of the Issuer, which restricted stock units are subject to vesting conditions.

F2 · balance_after: Consists of 40,000 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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September 23, 2024 Filed Sep 25, 2024 20:22 UTC GiftCommon Stock 8,227 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-109354 · ownership.xml · nonDerivative · entry 3

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 206,641

F3 · shares: On September 23, 2024, the Reporting Person transferred 8,227 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Sha-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.

F4 · ownership.nature: These shares are owned directly by the Trust, and indirectly by James Ison as trustee of the Trust.

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September 23, 2024 Filed Sep 25, 2024 20:22 UTC GiftCommon Stock 8,227 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-109354 · ownership.xml · nonDerivative · entry 2

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,634

F3 · shares: On September 23, 2024, the Reporting Person transferred 8,227 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Sha-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.

F2 · balance_after: Includes 91,634 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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September 23, 2024 Filed Sep 25, 2024 20:22 UTC Tax withholdingCommon Stock 4,440 $2.19 $9,723.60
Disclosure

SEC source: 0000950170-24-109354 · ownership.xml · nonDerivative · entry 1

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,861

F1 · kind: The Reporting Person forfeited 4,440 shares of common stock upon conversion of 12,667 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the Issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on March 20, 2023.

F2 · balance_after: Includes 91,634 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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September 23, 2024 Filed Sep 25, 2024 20:16 UTC
Morrison John W Jr.Chief Financial Officer
Tax withholdingCommon Stock 5,961 $2.19 $13,054.59
Disclosure

SEC source: 0000950170-24-109344 · ownership.xml · nonDerivative · entry 1

Morrison John W Jr. · CIK 0001729697 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 305,381

F1 · kind: The Reporting Person forfeited 5,961 shares of common stock upon conversion of 15,667 vested and outstanding restricted stock inits into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on March 20, 2023.

F2 · balance_after: Includes 128,967 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.

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August 20, 2024 Filed Aug 22, 2024 01:03 UTC GiftCommon Stock 6,062 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-099666 · ownership.xml · nonDerivative · entry 3

Ison James · CIK 0001729652 · CPO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 198,414

F3 · shares: On August 20, 2024, the Reporting Person transferred 6,062 shares of common stock to the James J. Ison Jr. & Sha-Marie A Ison TR UA 06 04 2020 James J. Ison Jr. & Sha-Marie A Ison Inter Vivos Revocable Trust (the "Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.

F4 · ownership.nature: These shares are owned directly by the Trust, and indirectly by James Ison as trustee of the Trust.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.