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SMSI

SMITH MICRO SOFTWARE, INC.

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7775
SEC CIK
0000948708
Parsed reports
312

Last 12 months

Inside the activity.

0 purchase rows · 2 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202502
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202600
Sep 202600
Oct 202600

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Insider transactions

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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
September 15, 2026 Filed Sep 15, 2026 21:07 UTC
Huffmyer Timothy C.Director · President and CEO
Tax withholdingCommon stock 100 $2.90 $290.00
Disclosure

SEC source: 0001437749-26-030475 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,279

F1 · price: Shares withheld, at an average vesting price of $2.90 per share, for the payment of income taxes.

Read SEC document
September 15, 2026 Filed Sep 15, 2026 21:06 UTC
SMITH WILLIAM W JRDirector · Executive Chairman · 10% owner
Tax withholdingCommon stock 456 $2.90 $1,322.40
Disclosure

SEC source: 0001437749-26-030473 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · Executive Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,285

F1 · price: Shares withheld, at an average vesting price of $2.90 per share, for the payment of income taxes.

Read SEC document
August 19, 2026 Filed Aug 20, 2026 22:36 UTC
Braund Bethany MVP, CFO and Treasurer
Tax withholdingCommon stock 2 $2.86 $5.72
Disclosure

SEC source: 0001437749-26-028657 · rdgdoc.xml · nonDerivative · entry 1

Braund Bethany M · CIK 0002127393 · VP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,193

F1 · price: Shares withheld, at an average vesting price of $2.86 per share, for the payment of income taxes.

F2 · balance_after: Effective at 11:59pm ET on June 4, 2026, Smith Micro Software, Inc. effected a 1:5 reverse stock split. Shareholdings reported herein reflect the effects of the reverse stock split.

Read SEC document
August 19, 2026 Filed Aug 20, 2026 22:35 UTC
Huffmyer Timothy C.Director · President and CEO
Tax withholdingCommon stock 300 $2.87 $861.00
Disclosure

SEC source: 0001437749-26-028655 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,379

F1 · price: Shares withheld, at an average vesting price of $2.87 per share, for the payment of income taxes.

F2 · balance_after: Effective at 11:59pm ET on June 4, 2026, Smith Micro Software, Inc. effected a 1:5 reverse stock split. Shareholdings reported herein reflect the effects of the reverse stock split.

Read SEC document
August 19, 2026 Filed Aug 20, 2026 22:34 UTC
SMITH WILLIAM W JRDirector · Executive Chairman · 10% owner
Tax withholdingCommon stock 963 $2.87 $2,763.81
Disclosure

SEC source: 0001437749-26-028653 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · Executive Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,741

F1 · price: Shares withheld, at an average vesting price of $2.87 per share, for the payment of income taxes.

F2 · balance_after: Effective at 11:59pm ET on June 4, 2026, Smith Micro Software, Inc. effected a 1:5 reverse stock split. Shareholdings reported herein reflect the effects of the reverse stock split.

Read SEC document
May 14, 2026 Filed May 18, 2026 21:27 UTC
SMITH WILLIAM W JRDirector · Executive Chairman · 10% owner
Tax withholdingCommon stock 1,618 $0.87 $1,405.23
Disclosure

SEC source: 0001437749-26-017648 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · Executive Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 293,520

F1 · price: Shares withheld, at an average vesting price of $0.8685 per share, for the payment of income taxes.

Read SEC document
May 14, 2026 Filed May 18, 2026 21:25 UTC
Huffmyer Timothy C.President and CEO
Tax withholdingCommon stock 588 $0.87 $510.68
Disclosure

SEC source: 0001437749-26-017646 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183,391

F1 · price: Shares withheld, at an average vesting price of $0.8685 per share, for the payment of income taxes.

Read SEC document
May 14, 2026 Filed May 18, 2026 21:23 UTC
Braund Bethany MVP, CFO and Treasurer
Tax withholdingCommon stock 1,850 $0.87 $1,606.73
Disclosure

SEC source: 0001437749-26-017644 · rdgdoc.xml · nonDerivative · entry 1

Braund Bethany M · CIK 0002127393 · VP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,974

F1 · price: Shares withheld, at an average vesting price of $0.8685 per share, for the payment of income taxes.

Read SEC document
April 27, 2026 Filed Apr 28, 2026 21:45 UTC
SMITH WILLIAM W JRDirector · Executive Chairman · 10% owner
Tax withholdingCommon stock 1,618 $0.70 $1,132.60
Disclosure

SEC source: 0001437749-26-013703 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · Executive Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 295,138

F1 · price: Shares withheld, at an average vesting price of $0.70 per share, for the payment of income taxes.

Read SEC document
April 27, 2026 Filed Apr 28, 2026 21:40 UTC
Huffmyer Timothy C.President and CEO
Tax withholdingCommon stock 588 $0.70 $411.60
Disclosure

SEC source: 0001437749-26-013698 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183,979

F1 · price: Shares withheld, at an average vesting price of $0.70 per share, for the payment of income taxes.

Read SEC document
April 27, 2026 Filed Apr 28, 2026 21:43 UTC
Braund Bethany MVP, CFO and Treasurer
Tax withholdingCommon stock 6,761 $0.72 $4,867.92
Disclosure

SEC source: 0001437749-26-013701 · rdgdoc.xml · nonDerivative · entry 1

Braund Bethany M · CIK 0002127393 · VP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,824

F1 · price: Shares withheld, at an average vesting price of $0.72 per share, for the payment of income taxes.

Read SEC document
March 31, 2026 Filed Apr 6, 2026 22:35 UTC
Braund Bethany MVP, CFO and Treasurer
GrantCommon stock 20,000 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-011457 · rdgdoc.xml · nonDerivative · entry 1

Braund Bethany M · CIK 0002127393 · VP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,585

F1 · shares: Unrestricted stock award pursuant to the Smith Micro Software, Inc. Amended and Restated Omnibus Equity Incentive Plan

Read SEC document
March 13, 2026 Filed Mar 16, 2026 20:17 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
Tax withholdingCommon stock 4,943 $0.85 $4,181.78
Disclosure

SEC source: 0001437749-26-008423 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 296,756

F1 · price: Shares withheld, at an average vesting price of $0.846 per share, for the payment of income taxes.

Read SEC document
March 13, 2026 Filed Mar 16, 2026 20:16 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
Tax withholdingCommon stock 1,788 $0.85 $1,512.65
Disclosure

SEC source: 0001437749-26-008421 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 184,567

F1 · price: Shares withheld, at an average vesting price of $0.846 per share, for the payment of income taxes.

Read SEC document
March 10, 2026 Filed Mar 10, 2026 21:40 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
GrantSecured convertible note · Derivative Not disclosed Not disclosed Strike: $0.68 $4,585,491.93
Disclosure

SEC source: 0001437749-26-007572 · rdgdoc.xml · derivative · entry 2

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Smith Living Trust

Disclosed balance after: Not disclosed

Underlying: Common stock · 6,743,371 shares

Expires 2029-03-31

F2 · reported_value: Original principal amount of the secured convertible note (in dollars).

F1 · price: Pursuant to a Securities Purchase Agreement, dated March 4, 2026, between Smith Micro Software, Inc. and the Buyer parties thereto, Smith Living Trust agreed to purchase a secured convertible note together with a warrant for an aggregate purchase price of $4,585,491.93. The purchase was completed and the securities were issued on March 10, 2026.

F3 · derivative.underlying_shares: Assumes conversion of the full original principal amount of the secured convertible note into shares of common stock.

Read SEC document
March 10, 2026 Filed Mar 10, 2026 21:40 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
GrantCommon stock purchase warrant · Derivative 8,818,254 Not disclosed Strike: $0.68 Not disclosed
Disclosure

SEC source: 0001437749-26-007572 · rdgdoc.xml · derivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Smith Living Trust

Disclosed balance after: 8,818,254

Underlying: Common stock · 8,818,254 shares

Expires 2031-09-10

F1 · price: Pursuant to a Securities Purchase Agreement, dated March 4, 2026, between Smith Micro Software, Inc. and the Buyer parties thereto, Smith Living Trust agreed to purchase a secured convertible note together with a warrant for an aggregate purchase price of $4,585,491.93. The purchase was completed and the securities were issued on March 10, 2026.

Read SEC document
March 09, 2026 Filed Mar 10, 2026 21:57 UTC GrantStock option (right to buy) · Derivative 12,500 $0.00 Strike: $0.69 $0.00
Disclosure

SEC source: 0001437749-26-007588 · rdgdoc.xml · derivative · entry 1

Sharma Chetan · CIK 0001922870 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common stock · 12,500 shares

Expires 2036-03-09

Read SEC document
March 09, 2026 Filed Mar 10, 2026 21:56 UTC GrantCommon stock 12,500 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-007586 · rdgdoc.xml · nonDerivative · entry 1

SZABO GREGORY J · CIK 0001255114 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,493

F1 · shares: Unrestricted stock award pursuant to the Company's Amended and Restated Omnibus Equity Incentive Plan.

Read SEC document
March 09, 2026 Filed Mar 10, 2026 21:55 UTC
Keddy AshaDirector
GrantCommon stock 12,500 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-007584 · rdgdoc.xml · nonDerivative · entry 1

Keddy Asha · CIK 0001922655 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,629

F1 · shares: Unrestricted stock award pursuant to the Company's Amended and Restated Omnibus Equity Incentive Plan.

Read SEC document
March 09, 2026 Filed Mar 10, 2026 21:53 UTC
gulko samuelDirector
GrantCommon stock 12,500 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-007581 · rdgdoc.xml · nonDerivative · entry 1

gulko samuel · CIK 0001308199 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,274

F1 · shares: Unrestricted stock award pursuant to the Company's Amended and Restated Omnibus Equity Incentive Plan.

Read SEC document
March 09, 2026 Filed Mar 10, 2026 21:44 UTC GrantCommon stock 12,500 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-007578 · rdgdoc.xml · nonDerivative · entry 1

Elfman Steven Lawrence · CIK 0001334805 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,087

F1 · shares: Unrestricted stock award pursuant to the Company's Amended and Restated Omnibus Equity Incentive Plan.

Read SEC document
March 09, 2026 Filed Mar 10, 2026 21:43 UTC GrantCommon stock 12,500 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-007576 · rdgdoc.xml · nonDerivative · entry 1

CAMPBELL THOMAS G · CIK 0001251303 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,706

F1 · shares: Unrestricted stock award pursuant to the Company's Amended and Restated Omnibus Equity Incentive Plan.

Read SEC document
March 09, 2026 Filed Mar 10, 2026 21:41 UTC
Arno AndrewDirector
GrantCommon Stock 12,500 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-007574 · rdgdoc.xml · nonDerivative · entry 1

Arno Andrew · CIK 0001472122 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,007

F1 · shares: Unrestricted stock award granted pursuant to the Company's Amended and Restated Omnibus Equity Incentive Plan.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 21:38 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
GrantSecured convertible note · Derivative Not disclosed Not disclosed Strike: $0.68 $90,970.45
Disclosure

SEC source: 0001437749-26-007570 · rdgdoc.xml · derivative · entry 2

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: Not disclosed

Underlying: Common stock · 133,781 shares

Expires 2029-03-31

F3 · reported_value: Original principal amount of the secured convertible note (in dollars).

F1 · price: Pursuant to a Securities Purchase Agreement, dated March 4, 2026, between Smith Micro Software, Inc. and the Buyer parties thereto, the Reporting Person agreed to purchase a secured convertible note together with a warrant for an aggregate purchase price of $90,970.45. The purchase was completed and the securities were issued on March 6, 2026.

F2 · derivative.underlying_shares: Assumes conversion of the full original principal amount of the secured convertible note into shares of common stock.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 21:38 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
GrantCommon stock purchase warrant · Derivative 174,944 Not disclosed Strike: $0.68 Not disclosed
Disclosure

SEC source: 0001437749-26-007570 · rdgdoc.xml · derivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,944

Underlying: Common stock · 174,944 shares

Expires 2031-09-06

F1 · price: Pursuant to a Securities Purchase Agreement, dated March 4, 2026, between Smith Micro Software, Inc. and the Buyer parties thereto, the Reporting Person agreed to purchase a secured convertible note together with a warrant for an aggregate purchase price of $90,970.45. The purchase was completed and the securities were issued on March 6, 2026.

Read SEC document
March 04, 2026 Filed Mar 6, 2026 21:07 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
Disposition to issuerCommon stock 5,261 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-007202 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,355

F1 · shares: Shares of restricted stock forfeited in accordance with the terms of grant.

Read SEC document
March 04, 2026 Filed Mar 6, 2026 21:06 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
Disposition to issuerCommon stock 12,626 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-007198 · rdgdoc.xml · nonDerivative · entry 2

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 301,669

F2 · shares: Shares of restricted stock forfeited in accordance with the terms of grant.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 22:42 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
Tax withholdingCommon stock 27,010 $0.51 $13,829.12
Disclosure

SEC source: 0001437749-26-006695 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,616

F1 · price: Shares withheld, at an average vesting price of $0.512 per share, for the payment of income taxes.

Read SEC document
February 27, 2026 Filed Mar 6, 2026 21:06 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
Tax withholdingCommon stock 43,366 $0.52 $22,680.42
Disclosure

SEC source: 0001437749-26-007198 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,325

F1 · price: Shares withheld, at an average vesting price of $0.523 per share, for the payment of income taxes.

Read SEC document
February 21, 2026 Filed Feb 24, 2026 22:20 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
Disposition to issuerCommon stock 7,280 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-005374 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,626

F1 · shares: Shares of restricted stock forfeited in accordance with the terms of grant.

Read SEC document
February 21, 2026 Filed Feb 24, 2026 22:19 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
Disposition to issuerCommon stock 9,706 $0.00 $0.00
Disclosure

SEC source: 0001437749-26-005370 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 357,691

F1 · shares: Shares of restricted stock forfeited in accordance with the terms of grant.

Read SEC document
February 03, 2026 Filed Feb 5, 2026 22:37 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
GrantCommon stock purchase warrant · Derivative 1,480,165 Not disclosed Strike: $0.68 Not disclosed
Disclosure

SEC source: 0001437749-26-003232 · rdgdoc.xml · derivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Smith Living Trust

Disclosed balance after: 1,480,165

Underlying: Common stock · 1,480,165 shares

Expires 2031-08-03

F1 · price: The common stock purchase warrant was purchased from the issuer by Smith Living Trust (for which William W. Smith, Jr. serves as co-trustee) together with a promissory note in exchange for aggregate consideration of approximately $1,000,000.

Read SEC document
December 17, 2025 Filed Dec 17, 2025 22:18 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
Tax withholdingCommon stock 254 $0.62 $158.12
Disclosure

SEC source: 0001437749-25-038187 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,906

F1 · price: Shares withheld, at an average vesting price of $0.6225 per share, for the payment of income taxes.

Read SEC document
December 17, 2025 Filed Dec 17, 2025 22:17 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
Tax withholdingCommon stock 1,000 $0.62 $622.50
Disclosure

SEC source: 0001437749-25-038185 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 367,397

F1 · price: Shares withheld, at an average vesting price of $0.6225 per share, for the payment of income taxes.

Read SEC document
December 11, 2025 Filed Dec 11, 2025 22:13 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
SaleCommon stock 36,597 $0.58 $21,273.84
Disclosure

SEC source: 0001437749-25-037572 · rdgdoc.xml · nonDerivative · entry 3

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Smith Living Trust

Disclosed balance after: 5,517,674

F3 · price: Shares sold for tax planning purposes in a series of transactions with a price range of $0.5800 to $0.5935, inclusive, with a weighted average price of $0.5813. The reporting person undertakes to provide to Smith Micro Software, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
December 10, 2025 Filed Dec 11, 2025 22:13 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
SaleCommon stock 38,697 $0.60 $23,326.55
Disclosure

SEC source: 0001437749-25-037572 · rdgdoc.xml · nonDerivative · entry 2

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Smith Living Trust

Disclosed balance after: 5,554,271

F2 · price: Shares sold for tax planning purposes in a series of transactions with a price range of $0.6000 to $0.6324, inclusive, with a weighted average price of $0.6028. The reporting person undertakes to provide to Smith Micro Software, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 22:14 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
GrantCommon stock 75,398 $0.00 $0.00
Disclosure

SEC source: 0001437749-25-037575 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 226,160

F1 · shares: Restricted stock subject to performance-based vesting. Shares will vest in installments subject to satisfaction of performance criteria for the fourth quarter of 2025.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 22:13 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
GrantCommon stock 119,049 $0.00 $0.00
Disclosure

SEC source: 0001437749-25-037572 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 368,397

F1 · shares: Restricted stock subject to performance-based vesting. Shares will vest in installments subject to satisfaction of performance criteria for the fourth quarter of 2025.

Read SEC document
November 12, 2025 Filed Nov 13, 2025 23:21 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
Tax withholdingCommon Stock 19,143 $0.68 $13,103.38
Disclosure

SEC source: 0001437749-25-034926 · rdgdoc.xml · nonDerivative · entry 3

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,762

F3 · price: Shares withheld, at an average vesting price of $0.6845 per share, for the payment of income taxes.

Read SEC document
November 12, 2025 Filed Nov 13, 2025 23:17 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
Tax withholdingCommon Stock 30,813 $0.70 $21,553.69
Disclosure

SEC source: 0001437749-25-034924 · rdgdoc.xml · nonDerivative · entry 3

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 249,348

F3 · price: Shares withheld, at an average vesting price of $0.6995 per share, for the payment of income taxes.

Read SEC document
November 11, 2025 Filed Nov 13, 2025 23:21 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
Disposition to issuerCommon Stock 9,676 $0.00 $0.00
Disclosure

SEC source: 0001437749-25-034926 · rdgdoc.xml · nonDerivative · entry 2

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,905

F2 · shares: Shares of restricted stock forfeited in accordance with the terms of grant.

Read SEC document
November 11, 2025 Filed Nov 13, 2025 23:21 UTC
Huffmyer Timothy C.VP, COO, CFO and Treasurer
Tax withholdingCommon Stock 294 $0.78 $227.91
Disclosure

SEC source: 0001437749-25-034926 · rdgdoc.xml · nonDerivative · entry 1

Huffmyer Timothy C. · CIK 0001559111 · VP, COO, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,581

F1 · price: Shares withheld, at an average vesting price of $0.7752 per share, for the payment of income taxes.

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November 11, 2025 Filed Nov 13, 2025 23:17 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
Disposition to issuerCommon Stock 12,901 $0.00 $0.00
Disclosure

SEC source: 0001437749-25-034924 · rdgdoc.xml · nonDerivative · entry 2

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 280,161

F2 · shares: Shares of restricted stock forfeited in accordance with the terms of grant.

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November 11, 2025 Filed Nov 13, 2025 23:17 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
Tax withholdingCommon Stock 1,000 $0.78 $775.20
Disclosure

SEC source: 0001437749-25-034924 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 293,062

F1 · price: Shares withheld, at an average vesting price of $0.7752 per share, for the payment of income taxes.

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November 07, 2025 Filed Nov 10, 2025 23:22 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
GrantCommon stock purchase warrant · Derivative 2,236,136 Not disclosed Strike: $0.67 Not disclosed
Disclosure

SEC source: 0001437749-25-034141 · rdgdoc.xml · derivative · entry 3

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Smith Living Trust

Disclosed balance after: 2,236,136

Underlying: Common stock · 2,236,136 shares

Expires not disclosed

F1 · price: Pursuant to a Securities Purchase Agreement dated November 5, 2025, between Smith Micro Software, Inc. (the "Company") and the Purchaser parties thereto, Smith Living Trust (for which William W. Smith, Jr. serves as co-trustee) agreed to purchase 2,236,136 shares of common stock, together with a warrant to purchase an equal number of shares of common stock, at a purchase price of $0.6708 per share. The purchase was completed and the securities were issued on November 7, 2025.

F2 · derivative.exercise_date: The warrant will become exercisable upon the date that it is approved by the Company's stockholders in accordance with applicable Nasdaq rules (the "Stockholder Approval Date").

F3 · derivative.expiration_date: Five (5) years after the Stockholder Approval Date.

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November 07, 2025 Filed Nov 10, 2025 23:22 UTC
SMITH WILLIAM W JRDirector · President and CEO · 10% owner
GrantCommon Stock 2,236,136 $0.67 $1,500,000.03
Disclosure

SEC source: 0001437749-25-034141 · rdgdoc.xml · nonDerivative · entry 1

SMITH WILLIAM W JR · CIK 0001251368 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Smith Living Trust

Disclosed balance after: 5,592,968

F1 · price: Pursuant to a Securities Purchase Agreement dated November 5, 2025, between Smith Micro Software, Inc. (the "Company") and the Purchaser parties thereto, Smith Living Trust (for which William W. Smith, Jr. serves as co-trustee) agreed to purchase 2,236,136 shares of common stock, together with a warrant to purchase an equal number of shares of common stock, at a purchase price of $0.6708 per share. The purchase was completed and the securities were issued on November 7, 2025.

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October 09, 2025 Filed Oct 30, 2025 01:09 UTC GrantCommon Stock 7,993 $0.00 $0.00
Disclosure

SEC source: 0001437749-25-032263 · rdgdoc.xml · nonDerivative · entry 1

SZABO GREGORY J · CIK 0001255114 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,993

F1 · shares: Unrestricted stock award granted in lieu of fourth quarter 2025 cash compensation for service as a non-employee director.

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October 09, 2025 Filed Oct 30, 2025 01:08 UTC
Keddy AshaDirector
GrantCommon Stock 7,993 $0.00 $0.00
Disclosure

SEC source: 0001437749-25-032261 · rdgdoc.xml · nonDerivative · entry 1

Keddy Asha · CIK 0001922655 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,129

F1 · shares: Unrestricted stock award granted in lieu of fourth quarter 2025 cash compensation for service as a non-employee director.

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October 09, 2025 Filed Oct 30, 2025 01:07 UTC
gulko samuelDirector
GrantCommon Stock 7,993 $0.00 $0.00
Disclosure

SEC source: 0001437749-25-032258 · rdgdoc.xml · nonDerivative · entry 1

gulko samuel · CIK 0001308199 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,774

F1 · shares: Unrestricted stock award granted in lieu of fourth quarter 2025 cash compensation for service as a non-employee director.

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October 09, 2025 Filed Oct 30, 2025 01:05 UTC GrantCommon Stock 7,993 $0.00 $0.00
Disclosure

SEC source: 0001437749-25-032256 · rdgdoc.xml · nonDerivative · entry 1

Elfman Steven Lawrence · CIK 0001334805 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,587

F1 · shares: Unrestricted stock award granted in lieu of fourth quarter 2025 cash compensation for service as a non-employee director.

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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.