United States Software & IT Services

Smith Micro Software Inc (SMSI)

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The most recent insider trading activity at Smith Micro Software Inc. occurred on December 11, 2025, involving a sale of shares by President and CEO William W. Smith Jr. Over the preceding days in December 2025, multiple sell transactions and proposed sales were recorded by the same executive, representing the latest documented insider activity for the company.
Ticker: SMSI Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Smith Micro Software Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Sale 11 Dec 2025
Value US$2,271,602.68 | Price 25.15 | Shares 52,595 (-30.1%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-12-11 2025-12-11 S Sale
1.5
SMITH WILLIAM W JR

President and CEO

Executive Director Large shareholder
52,595 -30.1%
25.15
US$2,271,603 		52,595 -30.1% 25.15 US$2,271,603
2025-12-11 2025-12-10 S Sale
1.5
SMITH WILLIAM W JR

President and CEO

Executive Director Large shareholder
68,508 +27.7%
319.97
US$1,709,091 		68,508 +27.7% 319.97 US$1,709,091
2025-12-10 2025-12-10 PrS Proposed sale
1.5
Smith, William W.

Officer; Director; 10% Stockholder

Executive Director Large shareholder
17,383
299.64
US$4,029,117 		17,383 299.64 US$4,029,117
2025-03-17 2025-03-14 S Sale
1.7
CAMPBELL THOMAS G
Non-Executive Director
10,000 -25.5%
0.71
US$7,100 		10,000 -25.5% 0.71 US$7,100
2025-03-14 2025-03-14 PrS Proposed sale
1.7
Thomas G. Campbell

Director

Non-Executive Director
10,000
0.71
US$7,100 		10,000 0.71 US$7,100
2024-12-18 2024-12-16 S Sale
2.0
Kempton James M

VP, CFO and Treasurer

Officer
437 -0.6%
0.79
US$345 		437 -0.6% 0.79 US$345
2024-12-16 2024-12-16 PrS Proposed sale
2.0
Kempton James M

Officer

Officer
437
0.79
US$345 		437 0.79 US$345
2024-12-04 2024-12-03 S Sale
1.5
SMITH WILLIAM W JR

President & CEO

Executive Director
7,066 -0.2%
0.78
US$5,512 		7,066 -0.2% 0.78 US$5,512
2024-12-03 2024-12-03 PrS Proposed sale
1.5
WILLIAM W SMITH JR

Officer; Director; 10% Stockholder

Executive Director Large shareholder
7,066
0.78
US$5,512 		7,066 0.78 US$5,512
2024-03-15 2024-03-13 S Sale
2.0
Kempton James M

VP, CFO and Treasurer

Officer
4,804 -1.2%
0.35
US$1,681 		4,804 -1.2% 0.35 US$1,681
2024-03-15 2024-03-13 S Sale
1.5
SMITH WILLIAM W JR

President & CEO

Executive Director
11,651 -1.7%
0.35
US$4,078 		11,651 -1.7% 0.35 US$4,078
2024-03-13 2024-03-13 PrS Proposed sale
1.5
William W. Smith Jr.

Officer; Director

Executive Director
11,427
0.36
US$4,091 		11,427 0.36 US$4,091
2024-03-13 2024-03-13 PrS Proposed sale
2.0
James M. Kempton

Officer

Officer
4,711
0.36
US$1,687 		4,711 0.36 US$1,687
2024-01-24 2024-01-23 S Sale
1.5
SMITH WILLIAM W JR

President & CEO

Executive Director
6,952 -1.9%
0.77
US$5,319 		6,952 -1.9% 0.77 US$5,319
2024-01-24 2024-01-23 S Sale
2.0
Kempton James M

VP, CFO and Treasurer

Officer
2,293 -1.0%
0.77
US$1,754 		2,293 -1.0% 0.77 US$1,754
2024-01-22 2024-01-23 PrS Proposed sale
1.5
Wiliam W. Smith Jr.

Officer; Director

Executive Director
6,938
0.80
US$5,529 		6,938 0.80 US$5,529
2024-01-22 2024-01-23 PrS Proposed sale
2.0
James M. Kempton

Officer

Officer
2,289
0.80
US$1,824 		2,289 0.80 US$1,824
2023-12-01 2023-12-01 S Sale
1.5
SMITH WILLIAM W JR

President & CEO

Executive Director
17,660 -3.9%
0.67
US$11,832 		17,660 -3.9% 0.67 US$11,832
2023-12-01 2023-12-01 S Sale
2.0
Kempton James M

VP, CFO and Treasurer

Officer
6,780 -2.8%
0.67
US$4,543 		6,780 -2.8% 0.67 US$4,543
2023-11-30 2023-12-01 PrS Proposed sale
1.5
William W. Smith, Jr.

Officer; Director

Executive Director
17,911
0.67
US$12,000 		17,911 0.67 US$12,000
2023-11-30 2023-12-01 PrS Proposed sale
2.0
James M. Kempton

Officer

Officer
6,876
0.67
US$4,607 		6,876 0.67 US$4,607
2023-06-15 2023-06-14 B Purchase
2.0
Kempton James M

VP, CFO and Treasurer

Officer
1,000 +0.5%
1.19
US$1,190 		1,000 +0.5% 1.19 US$1,190
2022-09-19 2022-09-16 B Purchase
1.4
Sharma Chetan
Non-Executive Director
1,000 +5.5%
2.70
US$2,699 		1,000 +5.5% 2.70 US$2,699
2022-09-15 2022-09-14 B Purchase
1.5
SMITH WILLIAM W JR

President & CEO

Executive Director
5,000 +0.1%
2.59
US$12,955 		5,000 +0.1% 2.59 US$12,955
2022-09-14 2022-09-13 B Purchase
2.0
Kempton James M

VP, CFO and Treasurer

Officer
2,500 +2.2%
2.60
US$6,500 		2,500 +2.2% 2.60 US$6,500
2022-08-30 2022-08-30 B Purchase
1.7
CAMPBELL THOMAS G
Non-Executive Director
1,700 +2.7%
2.33
US$3,961 		1,700 +2.7% 2.33 US$3,961
2022-08-23 2022-08-23 B Purchase
1.8
Keddy Asha
Non-Executive Director
5,000 +27.7%
2.24
US$11,215 		5,000 +27.7% 2.24 US$11,215
2022-08-22 2022-08-22 B Purchase
2.5
Arno Andrew
Non-Executive Director
2,500 +0.9%
2.18
US$5,448 		2,500 +0.9% 2.18 US$5,448
2022-08-22 2022-08-19 B Purchase
2.2
SZABO GREGORY J
Non-Executive Director
10,000 +6.1%
2.29
US$22,932 		10,000 +6.1% 2.29 US$22,932
2022-08-22 2022-08-17 B Purchase
2.5
Arno Andrew
Non-Executive Director
25,000 +9.5%
2.35
US$58,755 		25,000 +9.5% 2.35 US$58,755
2022-08-18 2022-08-17 B Purchase
1.4
gulko samuel
Non-Executive Director
4,000 +2.8%
2.35
US$9,393 		4,000 +2.8% 2.35 US$9,393
2022-08-18 2022-08-17 B Purchase
2.5
Arno Andrew
Non-Executive Director
5,000 +50.0%
2.35
US$11,757 		5,000 +50.0% 2.35 US$11,757
2022-08-18 2022-08-17 B Purchase
2.5
Arno Andrew
Non-Executive Director
5,000 +50.0%
2.35
US$11,757 		5,000 +50.0% 2.35 US$11,757
2022-08-18 2022-08-17 B Purchase
2.5
Arno Andrew
Non-Executive Director
5,000 +50.0%
2.35
US$11,757 		5,000 +50.0% 2.35 US$11,757
2021-12-08 2021-12-07 S Sale
1.5
SMITH WILLIAM W JR

President & CEO

Executive Director Large shareholder
110,000 -2.3%
5.33
US$586,300 		110,000 -2.3% 5.33 US$586,300
2021-05-20 2021-05-19 S Sale
1.7
CAMPBELL THOMAS G
Non-Executive Director
15,000 -20.8%
5.12
US$76,768 		15,000 -20.8% 5.12 US$76,768
2020-11-19 2020-11-19 S Sale
2.0
Huffmyer Timothy C.

Chief Financial Officer

Officer
20,000 -6.9%
5.19
US$103,800 		20,000 -6.9% 5.19 US$103,800
2020-11-19 2020-11-18 S Sale
1.4
gulko samuel
Non-Executive Director
10,000 -9.6%
5.14
US$51,401 		10,000 -9.6% 5.14 US$51,401
2020-06-04 2020-06-02 S Sale
2.0
Huffmyer Timothy C.

Chief Financial Officer

Officer
16,000 -5.0%
4.92
US$78,720 		16,000 -5.0% 4.92 US$78,720
2020-06-04 2020-06-02 S Sale
1.7
CAMPBELL THOMAS G
Non-Executive Director
15,000 -24.2%
4.85
US$72,750 		15,000 -24.2% 4.85 US$72,750
2019-08-16 2019-08-13 S Sale CAMPBELL THOMAS G Non-Executive Director
20,000 -35.1%
6.19
US$123,800 		20,000 -35.1% 6.19 US$123,800
2019-08-01 2019-07-30 S Sale Huffmyer Timothy C.

Chief Financial Officer

Officer
42,000 -14.9%
5.48
US$230,160 		42,000 -14.9% 5.48 US$230,160
2019-05-14 2019-05-13 S Sale
1.7
CAMPBELL THOMAS G
Non-Executive Director
5,000 -8.1%
3.20
US$16,000 		5,000 -8.1% 3.20 US$16,000
2015-11-04 2015-11-04 B Purchase Yasbek Steven

VP & Chief Financial Officer

Officer
200 +0.1%
0.76
US$152 		200 +0.1% 0.76 US$152
2015-11-04 2015-11-04 B Purchase Yasbek Steven

VP & Chief Financial Officer

Officer
39,800 +12.8%
0.85
US$33,830 		39,800 +12.8% 0.85 US$33,830
2015-06-12 2015-06-11 S Sale CAMPBELL THOMAS G Non-Executive Director
5,000 -21.7%
1.23
US$6,150 		5,000 -21.7% 1.23 US$6,150
2015-03-11 2015-03-10 S Sale Yasbek Steven

VP & Chief Financial Officer

Officer
33,577 -9.1%
1.35
US$45,312 		33,577 -9.1% 1.35 US$45,312
2015-03-05 2015-03-04 S Sale CAMPBELL THOMAS G Non-Executive Director
5,000 -17.9%
1.52
US$7,600 		5,000 -17.9% 1.52 US$7,600
2015-03-05 2015-03-03 S Sale CAMPBELL THOMAS G Non-Executive Director
5,000 -17.9%
1.50
US$7,504 		5,000 -17.9% 1.50 US$7,504
2014-12-12 2014-12-12 S Sale CAMPBELL THOMAS G Non-Executive Director
2,500 -16.1%
0.93
US$2,325 		2,500 -16.1% 0.93 US$2,325
2014-11-06 2014-11-04 S Sale Lippincott Christopher G

FORMER SVP-Global Ops

Officer
20,000 -7.4%
1.05
US$21,000 		20,000 -7.4% 1.05 US$21,000
2014-11-04 2014-11-03 S Sale Schmidt Andrew C

FORMER VP &CFO

Officer
94,900 -28.9%
1.00
US$94,900 		94,900 -28.9% 1.00 US$94,900
2014-10-31 2014-10-30 S Sale Lippincott Christopher G

FORMER SVP-Global Ops

Officer
52,629 -16.3%
0.97
US$51,024 		52,629 -16.3% 0.97 US$51,024
2014-10-31 2014-10-30 S Sale Schmidt Andrew C

FORMER VP &CFO

Officer
5,100 -1.5%
1.00
US$5,100 		5,100 -1.5% 1.00 US$5,100
2014-10-31 2014-10-29 S Sale Lippincott Christopher G

FORMER SVP-Global Ops

Officer
30,000 -10.0%
0.75
US$22,500 		30,000 -10.0% 0.75 US$22,500
2014-07-24 2014-07-21 S Sale Schmidt Andrew C

VP &Chief Financial Officer

Officer
12,172 -3.5%
1.25
US$15,215 		12,172 -3.5% 1.25 US$15,215
2014-07-17 2014-07-10 S Sale Rawlings Daniel

Chief Revenue Officer

Officer
35,000 -27.5%
1.08
US$37,723 		35,000 -27.5% 1.08 US$37,723
2014-07-10 2014-07-09 S Sale Schmidt Andrew C

VP &Chief Financial Officer

Officer
23,625 -6.4%
1.15
US$27,169 		23,625 -6.4% 1.15 US$27,169
2014-07-10 2014-07-08 S Sale Schmidt Andrew C

VP &Chief Financial Officer

Officer
1,375 -0.4%
1.15
US$1,581 		1,375 -0.4% 1.15 US$1,581
2014-07-02 2014-06-30 S Sale Schmidt Andrew C

VP &Chief Financial Officer

Officer
50,000 -11.9%
1.00
US$50,000 		50,000 -11.9% 1.00 US$50,000
2014-03-17 2014-03-14 S Sale Lippincott Christopher G

SVP - Global Operations

Officer
20,000 -4.6%
2.00
US$40,000 		20,000 -4.6% 2.00 US$40,000
2014-03-13 2014-03-13 S Sale Lippincott Christopher G

SVP - Global Operations

Officer
20,000 -4.4%
2.01
US$40,150 		20,000 -4.4% 2.01 US$40,150
2014-03-13 2014-03-12 S Sale CAMPBELL THOMAS G Non-Executive Director
5,000 -24.4%
2.00
US$10,000 		5,000 -24.4% 2.00 US$10,000
2014-03-13 2014-03-11 S Sale Lippincott Christopher G

SVP - Global Operations

Officer
30,000 -6.1%
2.14
US$64,305 		30,000 -6.1% 2.14 US$64,305
2013-12-02 2013-11-29 S Sale CAMPBELL THOMAS G Non-Executive Director
3,000 -22.2%
1.40
US$4,200 		3,000 -22.2% 1.40 US$4,200
2013-03-04 2013-03-01 S Sale CAMPBELL THOMAS G Non-Executive Director
6,000 -30.8%
1.45
US$8,706 		6,000 -30.8% 1.45 US$8,706
2013-03-04 2013-02-28 S Sale CAMPBELL THOMAS G Non-Executive Director
1,000 -4.9%
1.47
US$1,470 		1,000 -4.9% 1.47 US$1,470
2012-12-14 2012-12-14 S Sale Cameron Von

EVP - Sales

Officer
29,984 -10.0%
1.23
US$36,919 		29,984 -10.0% 1.23 US$36,919
2012-12-03 2012-11-29 S Sale CAMPBELL THOMAS G Non-Executive Director
2,000 -16.0%
1.25
US$2,500 		2,000 -16.0% 1.25 US$2,500
2012-12-03 2012-11-29 S Sale Yasbek Steven

Chief Accounting Officer

Officer
18,000 -15.5%
1.20
US$21,647 		18,000 -15.5% 1.20 US$21,647
2012-05-18 2012-05-18 S Sale Schmidt Andrew C

VP &Chief Financial Officer

Officer
23,453 -9.0%
1.50
US$35,149 		23,453 -9.0% 1.50 US$35,149
2012-05-18 2012-05-17 S Sale Schmidt Andrew C

VP &Chief Financial Officer

Officer
16,547 -6.6%
1.59
US$26,328 		16,547 -6.6% 1.59 US$26,328
2012-03-01 2012-02-28 S Sale CAMPBELL THOMAS G Non-Executive Director
11,000 -46.8%
2.56
US$28,160 		11,000 -46.8% 2.56 US$28,160
2011-12-14 2011-12-12 S Sale Yasbek Steven

Chief Accounting Officer

Officer
46,729 -35.4%
1.06
US$49,336 		46,729 -35.4% 1.06 US$49,336
2011-08-25 2011-08-25 B Purchase Arno Andrew Non-Executive Director
33,801 +129.0%
1.75
US$59,152 		33,801 +129.0% 1.75 US$59,152
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