Insider · CIK 0001555392

Demski David M

Reports to the SEC for 4 companies · CARLSBAD, CA

sec.gov

Transactions

Companies

Filings

CIK

0001555392

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-10	ATECAlphatec Holdings, Inc.A Award	Director	AAward	+32K sh	—	—	431,635
2025-12-11	ATECAlphatec Holdings, Inc.S Sale	Director	SSale	−30K sh	$21.20	−$636K	399,623
2025-06-11	ATECAlphatec Holdings, Inc.A Award	Director	AAward	+15.1K sh	—	—	429,623
2025-04-21	Paragon 28, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−74.3K sh	—	—	0
2024-12-18	ATECAlphatec Holdings, Inc.A Award	Director	AAward	+126K sh	—	—	414,492
2024-12-10	Paragon 28, Inc.A Award	Director	AAward	+34.2K sh	—	—	74,307
2024-08-21	ATECAlphatec Holdings, Inc.P Purchase	Director	PPurchase	+50K sh	$5.67	+$284K	288,441
2024-08-02	ATECAlphatec Holdings, Inc.P Purchase	Director	PPurchase	+40K sh	$6.56	+$262K	238,441
2024-06-12	ATECAlphatec Holdings, Inc.A Award	Director	AAward	+16.7K sh	—	—	198,441
2023-11-09	ATECAlphatec Holdings, Inc.P Purchase	Director	PPurchase	+30K sh	$10.50	+$315K	181,694
2023-10-17	ATECAlphatec Holdings, Inc.A Award	Director	AAward	+7,842 sh	—	—	127,842
2023-10-17	ATECAlphatec Holdings, Inc.A Award	Director	AAward	+23.9K sh	—	—	151,694
2023-06-26	Axonics, Inc.A Award	Director	AAward	+3,000 sh	—	—	9,542
2022-08-18	Axonics, Inc.A Award	Director	AAward	+2,100 sh	—	—	6,542
2022-01-27	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)A Award	Director, President, CEO	AAward	+150K sh	—	—	150,000
2021-10-22	Axonics, Inc.A Award	Director	AAward	+942 sh	—	—	4,442
2021-04-26	GMEDGLOBUS MEDICAL INCS Sale	Director, President, CEO	SSale	−144K sh	$71.50	−$10.3M	0
2021-04-26	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+65.9K sh	$29.31	+$1.93M	144,263
2021-04-26	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+78.3K sh	$26.27	+$2.06M	78,334
2021-04-26	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−65.9K sh	—	—	31,250
2021-04-26	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−78.3K sh	—	—	0
2021-04-23	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−21.9K sh	—	—	65,625
2021-04-23	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−21.9K sh	—	—	28,125
2021-04-23	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+54.7K sh	$53.27	+$2.91M	121,259
2021-04-23	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+22.8K sh	$29.31	+$669K	66,571
2021-04-23	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+21.9K sh	$43.58	+$953K	43,750
2021-04-23	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+21.9K sh	$43.77	+$957K	21,875
2021-04-23	GMEDGLOBUS MEDICAL INCS Sale	Director, President, CEO	SSale	−121K sh	$71.59	−$8.68M	0
2021-04-23	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−54.7K sh	—	—	120,312
2021-04-23	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−22.8K sh	—	—	97,179
2021-01-31	Axonics, Inc.Stock Options (Right to buy)A Award	Director	AAward	+10K sh	—	—	10,000
2021-01-31	Axonics, Inc.A Award	Director	AAward	+3,500 sh	—	—	3,500
2021-01-14	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)A Award	Director, President, CEO	AAward	+175K sh	—	—	175,000
2020-12-17	GMEDGLOBUS MEDICAL INCS Sale	Director, President, CEO	SSale	−165K sh	$64.20	−$10.6M	0
2020-12-17	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−15.9K sh	—	—	0
2020-12-17	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+15.9K sh	$24.10	+$382K	164,719
2020-12-16	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+1,666 sh	$26.27	+$43.8K	163,021
2020-12-16	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−3,125 sh	—	—	50,000
2020-12-16	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+6,250 sh	$29.31	+$183K	161,355
2020-12-16	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−3,125 sh	—	—	87,500
2020-12-16	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+31.1K sh	$25.52	+$795K	194,158
2020-12-16	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−7,053 sh	—	—	15,864
2020-12-16	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+3,125 sh	$43.77	+$137K	151,980
2020-12-16	GMEDGLOBUS MEDICAL INCS Sale	Director, President, CEO	SSale	−52.4K sh	$64.20	−$3.36M	148,855
2020-12-16	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−6,250 sh	—	—	120,000
2020-12-16	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+3,125 sh	$43.58	+$136K	155,105
2020-12-16	GMEDGLOBUS MEDICAL INCM Exercise/Conversion	Director, President, CEO	MExercise/Conversion	+7,053 sh	$24.10	+$170K	201,211
2020-12-16	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−1,666 sh	—	—	78,334
2020-12-16	GMEDGLOBUS MEDICAL INC · Stock Option (Right to Buy Class A Common Stock)M Exercise/Conversion	Director, President, CEO	MExercise/Conversion	−31.1K sh	—	—	0
2020-08-06	GMEDGLOBUS MEDICAL INCS Sale	Director, President, CEO	SSale	−96.9K sh	$55.42	−$5.37M	381,955

Recent filings

Accepted (ET)
Jun 124
Demski David M0001555392-26-000002
SEC(opens sec.gov)
Dec 124
Demski David M0001555392-25-000004
SEC(opens sec.gov)
Jun 134
Demski David M0001415889-25-017263
SEC(opens sec.gov)
Apr 214
Demski David M0000950170-25-056357
SEC(opens sec.gov)
Dec 184
Demski David M0001415889-24-029768
SEC(opens sec.gov)
Dec 124
Demski David M0001610717-24-000536
SEC(opens sec.gov)
Aug 214
Demski David M0001415889-24-021972
SEC(opens sec.gov)
Aug 54
Demski David M0001415889-24-020724
SEC(opens sec.gov)
Jun 144
Demski David M0001415889-24-016931
SEC(opens sec.gov)
Nov 134
Demski David M0001415889-23-014991
SEC(opens sec.gov)
Oct 194
Demski David M0001415889-23-014428
SEC(opens sec.gov)
Jun 284
Demski David M0001562180-23-005534
SEC(opens sec.gov)
Aug 224
Demski David M0001562180-22-006266
SEC(opens sec.gov)
Jan 314
Demski David M0001209191-22-005578
SEC(opens sec.gov)
Nov 24
Demski David M0001562180-21-006777
SEC(opens sec.gov)
Apr 274
Demski David M0001209191-21-028565
SEC(opens sec.gov)

Companies

Address

C/O ALPHATEC SPINE, INC. 1950 CAMINO VIDA ROBLE

CARLSBAD, CA, 92008