Key facts
- Semler Scientific, Inc. has 10 insiders with reported activity on this page.
- Net insider value flow over the last year: -$2,296,174.
- Recent transaction rows are available for direct filing-level review.
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Net insider flow leans to selling over the last 12 months. Net value: -$2,296,174.
$0
Shares: 0
Insiders: 0
$2,296,174
Shares: 99,010
Insiders: 1
-$2,296,174
Shares: -99,010
Insiders: -1
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 70,406 | $0 | $1,422,608 | -$1,422,608 |
| 9-12 | 0 | 28,604 | $0 | $873,566 | -$873,566 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| William H.C. Chang & Diana Shon Chang TTEE Chang Family Trust U/A DTD 10/23/2006 | 10%+ Owner | $16,402,157 | Mixed | 31 Dec 2022 | ||
| Pan Wayne T. | Director | $1,336,743 | Mixed | 01 Feb 2023 | ||
| Renae Terese Cormier | Chief Financial Officer | $137,478 | Mixed | 11 Jun 2025 | ||
| Arthur N. Leibowitz | Director | $136,755 | Mixed | 01 Feb 2023 | ||
| Cindy Moon | Director | $90,261 | Mixed | 01 Feb 2023 | ||
| Daniel S. Messina | Director | $0 | Mixed | 16 Jan 2026 | ||
| William H. Chang | Director | $0 | Mixed | 16 Jan 2026 | ||
| Douglas Murphy-Chutorian | CEO, interim CFO and Director, Director | $0 | -$2,296,174 | -100% | Mixed | 16 Jan 2026 |
| Eric Semler | Director | $0 | Mixed | 16 Jan 2026 | ||
| Natalie Brunell | Director | Mixed | 16 Jan 2026 |
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| MORGAN STANLEY |
13D/G
|
— |
5.8%
|
790,603
|
$35,996,155 | $0 | 30 Jun 2025 | |
| BlackRock, Inc. |
13D/G
|
— |
5.7%
|
858,705
|
$25,761,150 | +$6,790,050 | 30 Sep 2025 | |
| Weiss Asset Management LP |
13D/G
|
— |
5.2%
|
801,086
|
$16,294,089 | $0 | 31 Dec 2025 | |
| Citadel Securities GP LLC |
13D/G
|
Kenneth Griffin |
5.1%
|
697,997
|
$31,779,803 | $0 | 30 Jun 2025 | |
| CAPITAL VENTURES INTERNATIONAL |
13D/G
|
— |
2.6%
|
395,307
|
$11,859,210 | -$11,751,690 | 30 Sep 2025 | |
| Capital International Investors |
13D/G
|
— |
2.6%
|
385,239
|
$11,557,170 | -$5,561,130 | 30 Sep 2025 | |
| William H.C. Chang & Diana Shon Chang TTEE Chang Family Trust U/A DTD 10/23/2006 |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
583,499
|
$16,402,157 | — | 31 Dec 2022 | |
| Pan Wayne T. |
3/4/5
|
Director |
—
class O/S missing
|
47,554
|
$1,336,743 | — | 01 Feb 2023 | |
| Renae Terese Cormier |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
5,000
mixed-class rows
|
$137,478 | — | 11 Jun 2025 | |
| Arthur N. Leibowitz |
3/4/5
|
Director |
—
class O/S missing
|
4,865
|
$136,755 | — | 01 Feb 2023 | |
| Cindy Moon |
3/4/5
|
Director |
—
class O/S missing
|
3,211
|
$90,261 | — | 01 Feb 2023 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Eric Semler | SMLR | Common Stock | Disposed to Issuer | -100% | -77,771 | 0 | 16 Jan 2026 | See footnote | ||
| Eric Semler | SMLR | Common Stock | Disposed to Issuer | -100% | -636,346 | 0 | 16 Jan 2026 | Direct | ||
| Eric Semler | SMLR | Stock Option (right to buy) | Disposed to Issuer | 253,375 | 0 | 16 Jan 2026 | Direct | |||
| Douglas Murphy-Chutorian | SMLR | Common Stock | Disposed to Issuer | -100% | -241,303 | 0 | 16 Jan 2026 | See footnote | ||
| Douglas Murphy-Chutorian | SMLR | Stock Option (right to buy) | Disposed to Issuer | 355,000 | 0 | 16 Jan 2026 | Direct | |||
| Daniel S. Messina | SMLR | Common Stock | Disposed to Issuer | -100% | -11,910 | 0 | 16 Jan 2026 | Direct | ||
| Daniel S. Messina | SMLR | Stock Option (right to buy) | Disposed to Issuer | 19,310 | 0 | 16 Jan 2026 | Direct | |||
| Natalie Brunell | SMLR | Stock Option (right to buy) | Disposed to Issuer | 14,500 | 0 | 16 Jan 2026 | Direct | |||
| William H. Chang | SMLR | Common Stock | Disposed to Issuer | -100% | -824,264 | 0 | 16 Jan 2026 | See footnote | ||
| William H. Chang | SMLR | Stock Option (right to buy) | Disposed to Issuer | 43,185 | 0 | 16 Jan 2026 | Direct | |||
| William H. Chang | SMLR | Stock Option (right to buy) | Award | 4,000 | 4,000 | 02 Jan 2026 | Direct | |||
| Natalie Brunell | SMLR | Stock Option (right to buy) | Award | 4,000 | 4,000 | 02 Jan 2026 | Direct | |||
| Eric Semler | SMLR | Stock Option (right to buy) | Award | 4,000 | 4,000 | 02 Jan 2026 | Direct | |||
| Douglas Murphy-Chutorian | SMLR | Stock Option (right to buy) | Award | 15,000 | 15,000 | 02 Jan 2026 | Direct | |||
| Daniel S. Messina | SMLR | Stock Option (right to buy) | Award | 4,000 | 4,000 | 02 Jan 2026 | Direct | |||
| William H. Chang | SMLR | Common Stock | Gift | -12.3% | -60,000 | 428,682 | 15 Dec 2025 | see footnote | ||
| Douglas Murphy-Chutorian | SMLR | Common Stock | Gift | 29.2% | 54,594 | 241,303 | 17 Nov 2025 | See Footnote | ||
| Douglas Murphy-Chutorian | SMLR | Common Stock | Gift | -100% | -54,594 | 0 | 17 Nov 2025 | Direct | ||
| Douglas Murphy-Chutorian | SMLR | Common Stock | Sale | -56.3% | $1,422,608 | $20.21 | -70,406 | 54,594 | 17 Nov 2025 | Direct |
| Douglas Murphy-Chutorian | SMLR | Common Stock | Options Exercise | 125,000 | 125,000 | 17 Nov 2025 | Direct | |||
| Douglas Murphy-Chutorian | SMLR | Stock Option (right to buy) | Options Exercise | -100% | -125,000 | 0 | 17 Nov 2025 | Direct | ||
| Douglas Murphy-Chutorian | SMLR | Common Stock | Gift | 20.2% | 31,396 | 186,709 | 25 Aug 2025 | See Footnote | ||
| Douglas Murphy-Chutorian | SMLR | Common Stock | Gift | -100% | -31,396 | 0 | 25 Aug 2025 | Direct | ||
| Douglas Murphy-Chutorian | SMLR | Common Stock | Sale | -47.7% | $873,566 | $30.54 | -28,604 | 31,396 | 25 Aug 2025 | Direct |
| Douglas Murphy-Chutorian | SMLR | Common Stock | Options Exercise | 60,000 | 60,000 | 25 Aug 2025 | Direct | |||
| Douglas Murphy-Chutorian | SMLR | Stock Option (right to buy) | Options Exercise | -100% | -60,000 | 0 | 25 Aug 2025 | Direct | ||
| Natalie Brunell | SMLR | Stock Option (right to buy) | Award | 1,125 | 1,125 | 25 Jun 2025 | Direct | |||
| Eric Semler | SMLR | Common Stock | Options Exercise | 1.07% | 6,750 | 636,346 | 11 Jun 2025 | Direct | ||
| Eric Semler | SMLR | Stock Option (right to buy) | Options Exercise | -25% | -6,750 | 20,250 | 11 Jun 2025 | Direct | ||
| Renae Cormier | SMLR | Common Stock | Gift | 3,746 | 3,746 | 11 Jun 2025 | See footnote | |||
| Renae Cormier | SMLR | Common Stock | Gift | -100% | -3,746 | 0 | 11 Jun 2025 | Direct | ||
| Renae Cormier | SMLR | Common Stock | Options Exercise | 3,746 | 3,746 | 11 Jun 2025 | Direct | |||
| Renae Cormier | SMLR | Stock Option (right to buy) | Options Exercise | -74.9% | -3,746 | 1,254 | 11 Jun 2025 | Direct |