Insider · CIK 0001393516

KEYSER D JEFFREY

Reports to the SEC for 2 companies · DALLAS, TX

sec.gov

Transactions

Companies

Filings

CIK

0001393516

Forms 4 and 5

Insider transactions

33 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-12	LTRNLantern Pharma Inc.P Purchase	Director	PPurchase	+48.5K sh	$2.06	+$100K	94,303
2026-05-12	LTRNLantern Pharma Inc. · Common stock purchase warrant (Right to Buy)P Purchase	Director	PPurchase	−48.5K sh	—	—	48,544
2026-01-09	LTRNLantern Pharma Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+25K sh	—	—	25,000
2026-01-09	LTRNLantern Pharma Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+28.8K sh	—	—	28,844
2024-07-24	LTRNLantern Pharma Inc.X Exercise of In-Money	Director	XExercise of In-Money	+3,832 sh	$3.13	+$12K	0
2024-07-24	LTRNLantern Pharma Inc. · Series A WarrantsX Exercise of In-Money	Director	XExercise of In-Money	−3,832 sh	—	—	0
2024-07-15	LTRNLantern Pharma Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+5,000 sh	—	—	5,000
2021-11-04	LTRNLantern Pharma Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+3,200 sh	—	—	3,200
2021-11-04	LTRNLantern Pharma Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−3,200 sh	—	—	0
2021-11-04	LTRNLantern Pharma Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+3,200 sh	—	—	3,200
2020-06-15	LTRNLantern Pharma Inc.C Conversion	Director	CConversion	+31.9K sh	—	—	41,927
2020-06-15	LTRNLantern Pharma Inc. · Series A Preferred StockC Conversion	Director	CConversion	−18.3K sh	—	—	0
2020-06-15	LTRNLantern Pharma Inc. · Stock OptionA Award	Director	AAward	+9,135 sh	—	—	9,135
2020-06-15	LTRNLantern Pharma Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−9,135 sh	—	—	0
2020-06-15	LTRNLantern Pharma Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+9,135 sh	—	—	9,135
2020-06-11	LTRNLantern Pharma Inc.P Purchase	Director	PPurchase	+10K sh	$15.00	+$150K	10,000
2015-12-17	ZS Pharma, Inc.D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−12.4K sh	$90.00	−$1.11M	0
2015-12-17	ZS Pharma, Inc.U Disposition from Tender	Chief Operating Officer	UDisposition from Tender	−216K sh	$90.00	−$19.5M	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (NQ) - 6/5/09D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−35.1K sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (NQ) - 1/1/12D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−50.7K sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (NQ) - 10/15/12D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−175K sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (NQ) - 3/1/13D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−136K sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (NQ) - 4/24/14D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−41.8K sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (ISO) - 4/24/14D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−24.6K sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (ISO) - 7/8/14D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−31.9K sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (NQ) - 7/8/14D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−1,150 sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (ISO) - 6/18/15D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−1,799 sh	—	—	0
2015-12-17	ZS Pharma, Inc.Employee Stock Option (NQ) - 6/18/15D Disposition to Issuer	Chief Operating Officer	DDisposition to Issuer	−15.1K sh	—	—	0
2015-12-09	ZS Pharma, Inc.M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	+9,154 sh	$10.92	+$100K	225,323
2015-12-09	ZS Pharma, Inc.Employee Stock Option (ISO)M Exercise/Conversion	Chief Operating Officer	MExercise/Conversion	−9,154 sh	—	—	24,603
2015-06-18	ZS Pharma, Inc.Employee Stock OptionsA Award	Chief Operating Officer	AAward	+16.9K sh	$55.57	+$938K	16,875
2015-06-18	ZS Pharma, Inc.Restricted Stock UnitA Award	Chief Operating Officer	AAward	+3,000 sh	—	—	3,000
2014-07-08	ZS Pharma, Inc.Employee Stock OptionsA Award	Chief Operating Officer	AAward	+33K sh	—	—	33,037

Recent filings

Accepted (ET)
May 144
KEYSER D JEFFREY0001493152-26-023082
SEC(opens sec.gov)
Jan 134
KEYSER D JEFFREY0001493152-26-002024
SEC(opens sec.gov)
Sep 234
KEYSER D JEFFREY0001493152-25-014614
SEC(opens sec.gov)
Jul 264
KEYSER D JEFFREY0001493152-24-029238
SEC(opens sec.gov)
Jul 174
KEYSER D JEFFREY0001493152-24-028184
SEC(opens sec.gov)
Nov 84
KEYSER D JEFFREY0001213900-21-057325
SEC(opens sec.gov)
Jun 154
KEYSER D JEFFREY0001213900-20-015034
SEC(opens sec.gov)
Jun 154
KEYSER D JEFFREY0001213900-20-015029
SEC(opens sec.gov)
Dec 214
ZS Pharma, Inc.0000899243-15-010214
SEC(opens sec.gov)

Companies

Address

1920 MCKINNEY AVENUE, 7TH FLOOR

DALLAS, TX, 75201