GROSSO CHRISTOPHER G

Director at RADNOSTIX INC · on record since Aug 17, 2006
10% owner at RADNOSTIX INC · on record since Aug 17, 2006

Insider trading activity of GROSSO CHRISTOPHER G

Transactions on record: 83; since Aug 17, 2006

Open-market buys: 7; $218.7K

Open-market sells: 0

Companies traded: 1; last filing Jun 30, 2026

Figures computed from official regulatory filings — .

Companies where GROSSO CHRISTOPHER G has traded

RADNOSTIX INC83 tx · $8.5B · Jun 30, 2026

Track record of GROSSO CHRISTOPHER G

Statistical track record

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Open-market buys: 15

Last buy: Jun 26, 2026

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Transaction history of GROSSO CHRISTOPHER G

Co-insiders of GROSSO CHRISTOPHER G

Atcher RobertRADNOSTIX INC
Bagerdjian ShaheRADNOSTIX INC
COX W MATTHEWRADNOSTIX INC
KEANE MARIE C & KEANE JAMES JTWROSRADNOSTIX INC
Laflin SteveRADNOSTIX INC
MCCORMACK JOHN MRADNOSTIX INC
McKenzie-Carter LaurieRADNOSTIX INC
NICHOLSON WILLIAM WRADNOSTIX INC
OHEARN WALTER DRADNOSTIX INC
RICHART RALPH MRADNOSTIX INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
RADNOSTIX INCListing on record	Jun 30, 2026	BuyD (derivative)	0	500,000.00 USD	n/a (Converted to USD in the nightly refresh)	First in 12mo	SEC
RADNOSTIX INCListing on record	Apr 30, 2026	Other	269,999	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2026	Other	40,384	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2026	Other	40,384	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2026	Other	230,769	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Oct 15, 2025	AwardD (derivative)	500,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	Other	42,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	Other	240,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	AwardD (derivative)	1,500,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	Other	42,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	Other	280,800	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Nov 18, 2024	Buy	401,117	0.03 USD	$12K	conv 46	SEC
RADNOSTIX INCListing on record	Sep 20, 2024	Buy	500,000	0.03 USD	$15K	conv 41First in 12mo	SEC
RADNOSTIX INCListing on record	Sep 20, 2024	Buy	300,000	0.03 USD	$9K	conv 63First in 12mo	SEC
RADNOSTIX INCListing on record	Dec 7, 2022	Buy	1,410,000	0.03 USD	$42.3K	conv 38First in 12mo	SEC
RADNOSTIX INCListing on record	Feb 23, 2022	AwardD (derivative)	2,000,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Exercise	175,000	0.12 USD	$21K		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Other	-2,496,966	0.28 USD	$699.2K	Unusual size	SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Other	-75,000	0.28 USD	$21K		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Exercise	2,170,000	0.12 USD	$260.4K	Unusual size	SEC
RADNOSTIX INCListing on record	Apr 30, 2021	ExerciseD (derivative)	-9,750,000	0.05 USD	$487.5K	Unusual size	SEC
RADNOSTIX INCListing on record	Apr 30, 2021	ExerciseD (derivative)	-175,000	0.12 USD	$21K		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	ExerciseD (derivative)	-2,170,000	0.12 USD	$260.4K	Unusual size	SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Other	-75,000	0.28 USD	$21K		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Exercise	9,750,000	0.05 USD	$487.5K	Unusual size	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
RADNOSTIX INCListing on record	Jun 30, 2026	BuyD (derivative)	0	500,000.00 USD	n/a (Converted to USD in the nightly refresh)	First in 12mo	SEC
RADNOSTIX INCListing on record	Apr 30, 2026	Other	269,999	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2026	Other	40,384	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2026	Other	40,384	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2026	Other	230,769	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Oct 15, 2025	AwardD (derivative)	500,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	Other	42,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	Other	240,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	AwardD (derivative)	1,500,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	Other	42,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2025	Other	280,800	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Nov 18, 2024	Buy	401,117	0.03 USD	$12K	conv 46	SEC
RADNOSTIX INCListing on record	Sep 20, 2024	Buy	500,000	0.03 USD	$15K	conv 41First in 12mo	SEC
RADNOSTIX INCListing on record	Sep 20, 2024	Buy	300,000	0.03 USD	$9K	conv 63First in 12mo	SEC
RADNOSTIX INCListing on record	Dec 7, 2022	Buy	1,410,000	0.03 USD	$42.3K	conv 38First in 12mo	SEC
RADNOSTIX INCListing on record	Feb 23, 2022	AwardD (derivative)	2,000,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Exercise	175,000	0.12 USD	$21K		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Other	-2,496,966	0.28 USD	$699.2K	Unusual size	SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Other	-75,000	0.28 USD	$21K		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Exercise	2,170,000	0.12 USD	$260.4K	Unusual size	SEC
RADNOSTIX INCListing on record	Apr 30, 2021	ExerciseD (derivative)	-9,750,000	0.05 USD	$487.5K	Unusual size	SEC
RADNOSTIX INCListing on record	Apr 30, 2021	ExerciseD (derivative)	-175,000	0.12 USD	$21K		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	ExerciseD (derivative)	-2,170,000	0.12 USD	$260.4K	Unusual size	SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Other	-75,000	0.28 USD	$21K		SEC
RADNOSTIX INCListing on record	Apr 30, 2021	Exercise	9,750,000	0.05 USD	$487.5K	Unusual size	SEC