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Semler Scientific Inc (SMLR)

The most recent insider trading activity occurred on December 9, 2025, with a proposed sale of 100,000 shares valued at $1,977,000. Prior to this, significant selling activity was observed in November 2025 and August 2025, primarily by CEO Douglas Murphy-Chutorian. The last reported transaction was a proposed sale.
Stock chart
Ticker: SMLR Exchange: OTC


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
William H.C. Chang & Diana Shon Chang TTEE Chang Family Trust U/A DTD 10/23/2006
affiliate
1 sale — total 1,977,000 USD
Proposed sale 9 Dec 2025
Value US$2,780,903.78 | Price 184.94 | Shares 36,833
Proposed sale 17 Nov 2025
Value US$3,303,563.35 | Price 34.58 | Shares 57,161
Sale 17 Nov 2025
Value US$264,038.01 | Price 20.73 | Shares 12,737
Sale 17 Nov 2025
Value US$1,158,570.21 | Price 20.09 | Shares 57,669
Sale 25 Aug 2025
Value US$873,566.16 | Price 30.54 | Shares 28,604
Proposed sale 25 Aug 2025
Value US$1,847,400.00 | Price 30.79 | Shares 60,000
Sale 11 Dec 2024
Value US$92,254.80 | Price 63.80 | Shares 1,446
Sale 11 Dec 2024
Value US$582,724.38 | Price 62.97 | Shares 9,254
Sale 11 Dec 2024
Value US$361,909.08 | Price 62.28 | Shares 5,811
Sale 11 Dec 2024
Value US$30,565.00 | Price 61.13 | Shares 500
Sale 11 Dec 2024
Value US$155,189.15 | Price 62.35 | Shares 2,489
Sale 11 Dec 2024
Value US$142,534.55 | Price 61.57 | Shares 2,315
Sale 11 Dec 2024
Value US$138,305.26 | Price 60.29 | Shares 2,294
Sale 11 Dec 2024
Value US$52,640.28 | Price 59.08 | Shares 891
Sale 10 Dec 2024
Value US$54,254.59 | Price 62.29 | Shares 871
Sale 10 Dec 2024
Value US$647,990.25 | Price 61.45 | Shares 10,545
Sale 10 Dec 2024
Value US$772,004.40 | Price 60.36 | Shares 12,790
Sale 10 Dec 2024
Value US$3,034,433.56 | Price 59.74 | Shares 50,794
Proposed sale 10 Dec 2024
Value US$6,200,000.00 | Price 62.00 | Shares 100,000
Proposed sale 9 Dec 2024
Value US$617,500.00 | Price 61.75 | Shares 10,000
Sale 7 Nov 2024
Value US$1,896,500.00 | Price 37.93 | Shares 50,000
Buy 7 Nov 2024
Value US$1,896,500.00 | Price 37.93 | Shares 50,000
Proposed sale 29 Aug 2024
Value US$286,301.91 | Price 28.34 | Shares 10,101
Proposed sale 29 Aug 2024
Value US$283,453.20 | Price 28.35 | Shares 10,000
Sale 29 Aug 2024
Value US$283,453.00 | Price 28.35 | Shares 10,000
Proposed sale 28 Aug 2024
Value US$22,086.80 | Price 28.32 | Shares 780
Proposed sale 28 Aug 2024
Value US$22,086.80 | Price 28.32 | Shares 780
Sale 28 Aug 2024
Value US$22,086.79 | Price 28.32 | Shares 780
Buy 13 Sep 2023
Value US$755,259.48 | Price 28.11 | Shares 26,868
Buy 12 Sep 2023
Value US$717,513.10 | Price 27.70 | Shares 25,903
Buy 11 Sep 2023
Value US$674,500.00 | Price 26.98 | Shares 25,000
Planned sale 28 Feb 2022
Value US$11,852.80 | Price 74.08 | Shares 160
Planned sale 28 Feb 2022
Value US$10,369.80 | Price 74.07 | Shares 140
Planned sale 28 Feb 2022
Value US$43,951.50 | Price 73.25 | Shares 600
Planned sale 28 Feb 2022
Value US$43,758.14 | Price 72.33 | Shares 605
Planned sale 28 Feb 2022
Value US$35,359.14 | Price 71.43 | Shares 495
Planned sale 22 Feb 2022
Value US$67,959.14 | Price 70.64 | Shares 962
Planned sale 22 Feb 2022
Value US$72,471.19 | Price 69.82 | Shares 1,038
Planned sale 15 Feb 2022
Value US$7,791.00 | Price 77.91 | Shares 100
Planned sale 15 Feb 2022
Value US$155.78 | Price 77.89 | Shares 2
Planned sale 15 Feb 2022
Value US$32,943.73 | Price 77.15 | Shares 427
Planned sale 15 Feb 2022
Value US$59,153.01 | Price 76.13 | Shares 777
Planned sale 15 Feb 2022
Value US$52,035.91 | Price 74.98 | Shares 694
Planned sale 7 Feb 2022
Value US$8,148.50 | Price 81.49 | Shares 100
Planned sale 7 Feb 2022
Value US$40,737.98 | Price 79.88 | Shares 510
Planned sale 7 Feb 2022
Value US$58,305.29 | Price 78.47 | Shares 743
Planned sale 7 Feb 2022
Value US$50,258.83 | Price 77.68 | Shares 647
Planned sale 1 Feb 2022
Value US$154.75 | Price 77.38 | Shares 2
Planned sale 1 Feb 2022
Value US$77.36 | Price 77.37 | Shares 1
Planned sale 1 Feb 2022
Value US$122,945.97 | Price 76.75 | Shares 1,602
Planned sale 1 Feb 2022
Value US$29,877.64 | Price 75.64 | Shares 395
Planned sale 24 Jan 2022
Value US$7,489.00 | Price 74.89 | Shares 100
Planned sale 24 Jan 2022
Value US$26,247.14 | Price 73.94 | Shares 355
Planned sale 24 Jan 2022
Value US$13,739.45 | Price 73.08 | Shares 188
Planned sale 24 Jan 2022
Value US$50,150.77 | Price 72.06 | Shares 696
Planned sale 24 Jan 2022
Value US$47,069.61 | Price 71.21 | Shares 661
Planned sale 18 Jan 2022
Value US$45,839.46 | Price 77.17 | Shares 594
Planned sale 18 Jan 2022
Value US$107,534.96 | Price 76.48 | Shares 1,406
Planned sale 25 Oct 2021
Value US$21,900.00 | Price 146.00 | Shares 150
Planned sale 25 Oct 2021
Value US$38,953.24 | Price 144.81 | Shares 269
Planned sale 25 Oct 2021
Value US$119,183.10 | Price 143.42 | Shares 831
Planned sale 18 Oct 2021
Value US$1,269.00 | Price 141.00 | Shares 9
Planned sale 18 Oct 2021
Value US$55,683.30 | Price 138.86 | Shares 401
Planned sale 18 Oct 2021
Value US$82,929.16 | Price 137.07 | Shares 605
Planned sale 18 Oct 2021
Value US$18,352.36 | Price 135.94 | Shares 135
Planned sale 18 Oct 2021
Value US$13,470.00 | Price 134.70 | Shares 100
Planned sale 11 Oct 2021
Value US$55,895.01 | Price 129.99 | Shares 430
Planned sale 11 Oct 2021
Value US$80,032.14 | Price 129.08 | Shares 620
Planned sale 11 Oct 2021
Value US$25,331.00 | Price 126.66 | Shares 200
Planned sale 4 Oct 2021
Value US$3,024.50 | Price 131.50 | Shares 23
Planned sale 4 Oct 2021
Value US$25,742.00 | Price 128.71 | Shares 200
Planned sale 4 Oct 2021
Value US$130,332.77 | Price 126.91 | Shares 1,027
Planned sale 27 Sep 2021
Value US$5,015.01 | Price 128.59 | Shares 39
Planned sale 27 Sep 2021
Value US$39,510.53 | Price 127.04 | Shares 311
Planned sale 27 Sep 2021
Value US$18,887.50 | Price 125.92 | Shares 150
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
2025-12-09 2025-12-09 PrS Proposed sale

affiliate

36,833
184.94
US$2,780,904
36,833 184.94 US$2,780,904
2025-11-18 2025-11-17 PrS Proposed sale

OFFICER

Officer
57,161
34.58
US$3,303,563
57,161 34.58 US$3,303,563
2025-11-18 2025-11-17 S Sale

CEO, interim CFO and Director

Executive Director
3,994 -27.9%
180.52
US$4,301,694
3,994 -27.9% 180.52 US$4,301,694
2025-11-18 2025-11-17 S Sale

CEO, interim CFO and Director

Executive Director
57,669 -46.1%
20.09
US$1,158,570
57,669 -46.1% 20.09 US$1,158,570
2025-08-26 2025-08-25 S Sale

Chief Executive Officer

Executive Director
28,604 -47.7%
30.54
US$873,566
28,604 -47.7% 30.54 US$873,566
2025-08-25 2025-08-25 PrS Proposed sale

CEO

60,000
30.79
US$1,847,400
60,000 30.79 US$1,847,400
2024-12-12 2024-12-11 S Sale

CEO

Executive Director
1,446 -2.6%
63.80
US$92,255
1,446 -2.6% 63.80 US$92,255
2024-12-12 2024-12-11 S Sale

CEO

Executive Director
9,254 -14.1%
62.97
US$582,724
9,254 -14.1% 62.97 US$582,724
2024-12-12 2024-12-11 S Sale

CEO

Executive Director
5,811 -8.1%
62.28
US$361,909
5,811 -8.1% 62.28 US$361,909
2024-12-12 2024-12-11 S Sale

CEO

Executive Director
500 -0.7%
61.13
US$30,565
500 -0.7% 61.13 US$30,565
2024-12-12 2024-12-11 S Sale

CEO

Executive Director
2,489 -3.3%
62.35
US$155,189
2,489 -3.3% 62.35 US$155,189
2024-12-12 2024-12-11 S Sale

CEO

Executive Director
2,315 -3.0%
61.57
US$142,535
2,315 -3.0% 61.57 US$142,535
2024-12-12 2024-12-11 S Sale

CEO

Executive Director
2,294 -2.9%
60.29
US$138,305
2,294 -2.9% 60.29 US$138,305
2024-12-12 2024-12-11 S Sale

CEO

Executive Director
891 -1.1%
59.08
US$52,640
891 -1.1% 59.08 US$52,640
2024-12-12 2024-12-10 S Sale

CEO

Executive Director
871 -1.3%
62.29
US$54,255
871 -1.3% 62.29 US$54,255
2024-12-12 2024-12-10 S Sale

CEO

Executive Director
10,545 -13.8%
61.45
US$647,990
10,545 -13.8% 61.45 US$647,990
2024-12-12 2024-12-10 S Sale

CEO

Executive Director
12,790 -14.3%
60.36
US$772,004
12,790 -14.3% 60.36 US$772,004
2024-12-12 2024-12-10 S Sale

CEO

Executive Director
50,794 -36.3%
59.74
US$3,034,434
50,794 -36.3% 59.74 US$3,034,434
2024-12-09 2024-12-10 PrS Proposed sale

CEO

100,000
62.00
US$6,200,000
100,000 62.00 US$6,200,000
2024-12-09 2024-12-09 PrS Proposed sale

Director

Non-Executive Director
10,000
61.75
US$617,500
10,000 61.75 US$617,500
2024-11-12 2024-11-07 S Sale

CEO

Executive Director
50,000 -50.0%
37.93
US$1,896,500
50,000 -50.0% 37.93 US$1,896,500
2024-11-12 2024-11-07 B Purchase Non-Executive Director
50,000 +8.7%
37.93
US$1,896,500
50,000 +8.7% 37.93 US$1,896,500
2024-09-06 2024-08-29 PrS Proposed sale

OFFICER

Officer
10,101
28.34
US$286,302
10,101 28.34 US$286,302
2024-08-30 2024-08-29 S Sale

CEO

Executive Director Large shareholder
10,000 -14.2%
28.35
US$283,453
10,000 -14.2% 28.35 US$283,453
2024-08-29 2024-08-29 PrS Proposed sale

OFFICER

Officer
10,000
28.35
US$283,453
10,000 28.35 US$283,453
2024-09-06 2024-08-28 PrS Proposed sale

OFFICER

Officer
780
28.32
US$22,087
780 28.32 US$22,087
2024-08-30 2024-08-28 S Sale

CEO

Executive Director Large shareholder
780 -1.1%
28.32
US$22,087
780 -1.1% 28.32 US$22,087
2024-08-29 2024-08-28 PrS Proposed sale

OFFICER

Officer
780
28.32
US$22,087
780 28.32 US$22,087
2023-09-13 2023-09-13 B Purchase Non-Executive Director
26,868 +52.8%
28.11
US$755,259
26,868 +52.8% 28.11 US$755,259
2023-09-13 2023-09-12 B Purchase Non-Executive Director
25,903 +103.6%
27.70
US$717,513
25,903 +103.6% 27.70 US$717,513
2023-09-13 2023-09-11 B Purchase Non-Executive Director
25,000 +inf%
26.98
US$674,500
25,000 +inf% 26.98 US$674,500
2022-03-01 2022-02-28 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
160 -100.0%
74.08
US$11,853
160 -100.0% 74.08 US$11,853
2022-03-01 2022-02-28 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
140 -46.7%
74.07
US$10,370
140 -46.7% 74.07 US$10,370
2022-03-01 2022-02-28 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
600 -66.7%
73.25
US$43,952
600 -66.7% 73.25 US$43,952
2022-03-01 2022-02-28 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
605 -40.2%
72.33
US$43,758
605 -40.2% 72.33 US$43,758
2022-03-01 2022-02-28 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
495 -24.8%
71.43
US$35,359
495 -24.8% 71.43 US$35,359
2022-02-24 2022-02-22 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
962 -100.0%
70.64
US$67,959
962 -100.0% 70.64 US$67,959
2022-02-24 2022-02-22 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
1,038 -51.9%
69.82
US$72,471
1,038 -51.9% 69.82 US$72,471
2022-02-16 2022-02-15 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
100 -100.0%
77.91
US$7,791
100 -100.0% 77.91 US$7,791
2022-02-16 2022-02-15 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
2 -2.0%
77.89
US$156
2 -2.0% 77.89 US$156
2022-02-16 2022-02-15 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
427 -80.7%
77.15
US$32,944
427 -80.7% 77.15 US$32,944
2022-02-16 2022-02-15 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
777 -59.5%
76.13
US$59,153
777 -59.5% 76.13 US$59,153
2022-02-16 2022-02-15 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
694 -34.7%
74.98
US$52,036
694 -34.7% 74.98 US$52,036
2022-02-07 2022-02-07 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
100 -100.0%
81.49
US$8,148
100 -100.0% 81.49 US$8,148
2022-02-07 2022-02-07 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
510 -83.6%
79.88
US$40,738
510 -83.6% 79.88 US$40,738
2022-02-07 2022-02-07 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
743 -54.9%
78.47
US$58,305
743 -54.9% 78.47 US$58,305
2022-02-07 2022-02-07 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
647 -32.4%
77.68
US$50,259
647 -32.4% 77.68 US$50,259
2022-02-01 2022-02-01 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
2 -100.0%
77.38
US$155
2 -100.0% 77.38 US$155
2022-02-01 2022-02-01 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
1 -33.3%
77.37
US$77
1 -33.3% 77.37 US$77
2022-02-01 2022-02-01 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
1,602 -99.8%
76.75
US$122,946
1,602 -99.8% 76.75 US$122,946
2022-02-01 2022-02-01 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
395 -19.8%
75.64
US$29,878
395 -19.8% 75.64 US$29,878
2022-01-26 2022-01-24 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
100 -100.0%
74.89
US$7,489
100 -100.0% 74.89 US$7,489
2022-01-26 2022-01-24 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
355 -78.0%
73.94
US$26,247
355 -78.0% 73.94 US$26,247
2022-01-26 2022-01-24 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
188 -29.2%
73.08
US$13,739
188 -29.2% 73.08 US$13,739
2022-01-26 2022-01-24 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
696 -52.0%
72.06
US$50,151
696 -52.0% 72.06 US$50,151
2022-01-26 2022-01-24 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
661 -33.1%
71.21
US$47,070
661 -33.1% 71.21 US$47,070
2022-01-21 2022-01-18 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
594 -100.0%
77.17
US$45,839
594 -100.0% 77.17 US$45,839
2022-01-21 2022-01-18 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
1,406 -70.3%
76.48
US$107,535
1,406 -70.3% 76.48 US$107,535
2021-10-28 2021-10-25 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
150 -0.6%
146.00
US$21,900
150 -0.6% 146.00 US$21,900
2021-10-28 2021-10-25 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
269 -1.1%
144.81
US$38,953
269 -1.1% 144.81 US$38,953
2021-10-28 2021-10-25 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
831 -3.3%
143.42
US$119,183
831 -3.3% 143.42 US$119,183
2021-10-20 2021-10-18 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
9 -0.0%
141.00
US$1,269
9 -0.0% 141.00 US$1,269
2021-10-20 2021-10-18 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
401 -1.6%
138.86
US$55,683
401 -1.6% 138.86 US$55,683
2021-10-20 2021-10-18 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
605 -2.3%
137.07
US$82,929
605 -2.3% 137.07 US$82,929
2021-10-20 2021-10-18 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
135 -0.5%
135.94
US$18,352
135 -0.5% 135.94 US$18,352
2021-10-20 2021-10-18 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
100 -0.4%
134.70
US$13,470
100 -0.4% 134.70 US$13,470
2021-10-13 2021-10-11 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
430 -1.6%
129.99
US$55,895
430 -1.6% 129.99 US$55,895
2021-10-13 2021-10-11 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
620 -2.3%
129.08
US$80,032
620 -2.3% 129.08 US$80,032
2021-10-13 2021-10-11 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
200 -0.7%
126.66
US$25,331
200 -0.7% 126.66 US$25,331
2021-10-06 2021-10-04 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
23 -0.1%
131.50
US$3,024
23 -0.1% 131.50 US$3,024
2021-10-06 2021-10-04 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
200 -0.7%
128.71
US$25,742
200 -0.7% 128.71 US$25,742
2021-10-06 2021-10-04 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
1,027 -3.6%
126.91
US$130,333
1,027 -3.6% 126.91 US$130,333
2021-09-29 2021-09-27 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
39 -0.1%
128.59
US$5,015
39 -0.1% 128.59 US$5,015
2021-09-29 2021-09-27 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
311 -1.1%
127.04
US$39,511
311 -1.1% 127.04 US$39,511
2021-09-29 2021-09-27 PlS Planned sale

Chief Executive Officer

Executive Director Large shareholder
150 -0.5%
125.92
US$18,888
150 -0.5% 125.92 US$18,888