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Sec Filings Insider Trading - Mathiesen Jeffrey S
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"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch ==>> What is insider trading>>
Insider Trading Transactions for Mathiesen Jeffrey S
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Common stock purchase or sale:
Transaction
Date
Reported
Date
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2016-08-10
Purchase
2016-08-12
12:49 pm
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
4,000 $10 $40,000 7,927
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
Date
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2017-08-14
Exercise
2017-08-16
4:10 pm
N/A
N/A
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
3,207 $3.59 14,134
(Direct)
View
2017-08-14
Exercise
2017-08-16
4:10 pm
2015-09-25
2025-09-24
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
3,207 $3.59 14,134
(Direct)
View
2017-08-10
Exercise
2017-08-15
4:22 pm
N/A
N/A
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
3,000 $3.59 45,093
(Direct)
View
2017-08-10
Exercise
2017-08-15
4:22 pm
2015-09-25
2025-09-24
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
3,000 $3.59 45,093
(Direct)
View
2017-08-10
Exercise
2017-08-11
4:07 pm
N/A
N/A
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
3,000 $3.59 10,927
(Direct)
View
2017-08-10
Exercise
2017-08-11
4:07 pm
2015-09-25
2025-09-24
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
3,000 $3.59 10,927
(Direct)
View
2016-12-12
Option Award
2016-12-14
5:02 pm
N/A
2026-12-12
Sun Biopharma Inc. SNBP Mathiesen Jeffrey S
Director
208,000 $1.51 208,000
(Direct)
View
2016-08-10
Conversion
2016-08-12
12:49 pm
N/A
N/A
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
3,927 $6.706 7,927
(Direct)
View
2016-08-10
Conversion
2016-08-12
12:49 pm
N/A
N/A
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
25,000 $6.706 7,927
(Direct)
View
2016-08-04
Option Award
2016-08-08
4:31 pm
N/A
2026-08-03
Gemphire Therapeutics Inc. GEMP Mathiesen Jeffrey S
Chief Financial Officer
210,000 $10 210,000
(Direct)
View