SMLR

Semler Scientific, Inc.

Insider trading activity for Semler Scientific, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 39 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jan 16	Semler Eric	Director	DTOISS◆	12,375	—	—	—	Open the original filing on SEC.gov
Jan 16	Semler Eric	Director	DTOISS◆	150,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Semler Eric	Director	DTOISS◆	8,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Semler Eric	Director	DTOISS◆	75,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Semler Eric	Director	DTOISS◆	4,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Semler Eric	Director	DTOISS◆	4,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Semler Eric	Director	DTOISS	77,771	—	—	-100.0%	Open the original filing on SEC.gov
Jan 16	Semler Eric	Director	DTOISS	636,346	—	—	-100.0%	Open the original filing on SEC.gov
Jan 16	Murphy-Chutorian Douglas	CEO, interim CFO and…	DTOISS◆	125,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Murphy-Chutorian Douglas	CEO, interim CFO and…	DTOISS◆	125,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Murphy-Chutorian Douglas	CEO, interim CFO and…	DTOISS◆	15,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Murphy-Chutorian Douglas	CEO, interim CFO and…	DTOISS◆	50,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Murphy-Chutorian Douglas	CEO, interim CFO and…	DTOISS◆	25,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Murphy-Chutorian Douglas	CEO, interim CFO and…	DTOISS◆	15,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Murphy-Chutorian Douglas	CEO, interim CFO and…	DTOISS	241,303	—	—	-100.0%	Open the original filing on SEC.gov
Jan 16	Messina Daniel S	Director	DTOISS◆	5,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Messina Daniel S	Director	DTOISS◆	6,875	—	—	—	Open the original filing on SEC.gov
Jan 16	Messina Daniel S	Director	DTOISS◆	3,435	—	—	—	Open the original filing on SEC.gov
Jan 16	Messina Daniel S	Director	DTOISS◆	4,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Messina Daniel S	Director	DTOISS	11,910	—	—	-100.0%	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS◆	27,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS◆	1,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS◆	7,125	—	—	—	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS◆	500	—	—	—	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS◆	3,560	—	—	—	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS◆	4,000	—	—	—	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS	241,508	—	—	-100.0%	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS	154,074	—	—	-100.0%	Open the original filing on SEC.gov
Jan 16	Chang William H	Director	DTOISS	428,682	—	—	-100.0%	Open the original filing on SEC.gov
Jan 16	Brunell Natalie	Director	DTOISS◆	1,875	—	—	—	Open the original filing on SEC.gov
Jan 16	Brunell Natalie	Director	DTOISS◆	7,500	—	—	—	Open the original filing on SEC.gov
Jan 16	Brunell Natalie	Director	DTOISS◆	1,125	—	—	—	Open the original filing on SEC.gov
Jan 16	Brunell Natalie	Director	DTOISS◆	4,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Semler Eric	Director	AGRANT◆	4,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Murphy-Chutorian Douglas	CEO, interim CFO and…	AGRANT◆	15,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Messina Daniel S	Director	AGRANT◆	4,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Chang William H	Director	AGRANT◆	4,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Brunell Natalie	Director	AGRANT◆	4,000	—	—	—	Open the original filing on SEC.gov
Dec 15, 2025	Chang William H	Director	GGIFT	60,000	—	—	-12.3%	Open the original filing on SEC.gov

DTOISS◆—

Semler Eric · DirectorJan 16

12,375 sh

DTOISS◆—

Semler Eric · DirectorJan 16

150,000 sh

DTOISS◆—

Semler Eric · DirectorJan 16

8,000 sh

DTOISS◆—

Semler Eric · DirectorJan 16

75,000 sh

DTOISS◆—

Semler Eric · DirectorJan 16

4,000 sh

DTOISS◆—

Semler Eric · DirectorJan 16

4,000 sh

DTOISS—

Semler Eric · DirectorJan 16

77,771 sh · -100.0% own

DTOISS—

Semler Eric · DirectorJan 16

636,346 sh · -100.0% own

DTOISS◆—

Murphy-Chutorian Douglas · CEO, interim CFO…Jan 16

125,000 sh

DTOISS◆—

Murphy-Chutorian Douglas · CEO, interim CFO…Jan 16

125,000 sh

DTOISS◆—

Murphy-Chutorian Douglas · CEO, interim CFO…Jan 16

15,000 sh

DTOISS◆—

Murphy-Chutorian Douglas · CEO, interim CFO…Jan 16

50,000 sh

DTOISS◆—

Murphy-Chutorian Douglas · CEO, interim CFO…Jan 16

25,000 sh

DTOISS◆—

Murphy-Chutorian Douglas · CEO, interim CFO…Jan 16

15,000 sh

DTOISS—

Murphy-Chutorian Douglas · CEO, interim CFO…Jan 16

241,303 sh · -100.0% own

DTOISS◆—

Messina Daniel S · DirectorJan 16

5,000 sh

DTOISS◆—

Messina Daniel S · DirectorJan 16

6,875 sh

DTOISS◆—

Messina Daniel S · DirectorJan 16

3,435 sh

DTOISS◆—

Messina Daniel S · DirectorJan 16

4,000 sh

DTOISS—

Messina Daniel S · DirectorJan 16

11,910 sh · -100.0% own

DTOISS◆—

Chang William H · DirectorJan 16

27,000 sh

DTOISS◆—

Chang William H · DirectorJan 16

1,000 sh

DTOISS◆—

Chang William H · DirectorJan 16

7,125 sh

DTOISS◆—

Chang William H · DirectorJan 16

500 sh

DTOISS◆—

Chang William H · DirectorJan 16

3,560 sh

DTOISS◆—

Chang William H · DirectorJan 16

4,000 sh

DTOISS—

Chang William H · DirectorJan 16

241,508 sh · -100.0% own

DTOISS—

Chang William H · DirectorJan 16

154,074 sh · -100.0% own

DTOISS—

Chang William H · DirectorJan 16

428,682 sh · -100.0% own

DTOISS◆—

Brunell Natalie · DirectorJan 16

1,875 sh

DTOISS◆—

Brunell Natalie · DirectorJan 16

7,500 sh

DTOISS◆—

Brunell Natalie · DirectorJan 16

1,125 sh

DTOISS◆—

Brunell Natalie · DirectorJan 16

4,000 sh

AGRANT◆—

Semler Eric · DirectorJan 2

4,000 sh

AGRANT◆—

Murphy-Chutorian Douglas · CEO, interim CFO…Jan 2

15,000 sh

AGRANT◆—

Messina Daniel S · DirectorJan 2

4,000 sh

AGRANT◆—

Chang William H · DirectorJan 2

4,000 sh

AGRANT◆—

Brunell Natalie · DirectorJan 2

4,000 sh

GGIFT—

Chang William H · DirectorDec 15, 2025

60,000 sh · -12.3% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 1 filing we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.