Dahldorf John T

Chief Financial Officer at Adagio Medical Holdings, Inc. · on record since Aug 1, 2024
Director at Hyperfine, Inc. · on record since May 22, 2026
CFO at Volcano Corp · on record since Apr 16, 2014

Insider trading activity of Dahldorf John T

Transactions on record: 221; since Dec 13, 2006

Open-market buys: 0

Open-market sells: 105; $10.2M

Companies traded: 2; last filing May 22, 2026

Figures computed from official regulatory filings — .

Companies where Dahldorf John T has traded

Hyperfine, Inc.8 tx · May 22, 2026
Volcano Corp213 tx · $473.9M · Feb 19, 2015

Track record of Dahldorf John T

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Dahldorf John T

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Hyperfine, Inc.Listing on record	May 22, 2026	AwardD (derivative)	157,700	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	May 20, 2025	AwardD (derivative)	79,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jun 12, 2024	AwardD (derivative)	79,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jun 12, 2023	AwardD (derivative)	112,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jun 12, 2023	AwardD (derivative)	85,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jun 13, 2022	AwardD (derivative)	85,345	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jan 10, 2022	Award	19,586	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Dec 23, 2021	Award	16,483	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-14,148	18.00 USD	$254.7K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-6,526	18.00 USD	$117.5K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-16,166	18.00 USD	$291K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-5,750	18.00 USD	$103.5K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-45	18.00 USD	$810	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-14,148	18.00 USD	$254.7K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-223	18.00 USD	$4K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-3,305	18.00 USD	$59.5K	SEC
Volcano CorpListing unverified	Feb 19, 2015	Other	-60,064	18.00 USD	$1.1M	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-42,500	4.31 USD	$183.2K	SEC
Volcano CorpListing unverified	Jan 5, 2015	Sell	-19	17.88 USD	$339.7	SEC
Volcano CorpListing unverified	Jan 5, 2015	ExerciseD (derivative)	-3,304	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Volcano CorpListing unverified	Jan 5, 2015	Sell	-782	17.88 USD	$14K	SEC
Volcano CorpListing unverified	Jan 5, 2015	Sell	-1,250	17.88 USD	$22.4K	SEC
Volcano CorpListing unverified	Jan 5, 2015	Exercise	3,304	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Volcano CorpListing unverified	Jan 5, 2015	ExerciseD (derivative)	-46	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Volcano CorpListing unverified	Jan 5, 2015	ExerciseD (derivative)	-2,067	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Hyperfine, Inc.Listing on record	May 22, 2026	AwardD (derivative)	157,700	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	May 20, 2025	AwardD (derivative)	79,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jun 12, 2024	AwardD (derivative)	79,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jun 12, 2023	AwardD (derivative)	112,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jun 12, 2023	AwardD (derivative)	85,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jun 13, 2022	AwardD (derivative)	85,345	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Jan 10, 2022	Award	19,586	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Hyperfine, Inc.Listing on record	Dec 23, 2021	Award	16,483	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-14,148	18.00 USD	$254.7K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-6,526	18.00 USD	$117.5K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-16,166	18.00 USD	$291K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-5,750	18.00 USD	$103.5K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-45	18.00 USD	$810	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-14,148	18.00 USD	$254.7K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-223	18.00 USD	$4K	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-3,305	18.00 USD	$59.5K	SEC
Volcano CorpListing unverified	Feb 19, 2015	Other	-60,064	18.00 USD	$1.1M	SEC
Volcano CorpListing unverified	Feb 19, 2015	OtherD (derivative)	-42,500	4.31 USD	$183.2K	SEC
Volcano CorpListing unverified	Jan 5, 2015	Sell	-19	17.88 USD	$339.7	SEC
Volcano CorpListing unverified	Jan 5, 2015	ExerciseD (derivative)	-3,304	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Volcano CorpListing unverified	Jan 5, 2015	Sell	-782	17.88 USD	$14K	SEC
Volcano CorpListing unverified	Jan 5, 2015	Sell	-1,250	17.88 USD	$22.4K	SEC
Volcano CorpListing unverified	Jan 5, 2015	Exercise	3,304	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Volcano CorpListing unverified	Jan 5, 2015	ExerciseD (derivative)	-46	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Volcano CorpListing unverified	Jan 5, 2015	ExerciseD (derivative)	-2,067	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Dahldorf John T

Insider trading activity of Dahldorf John T

Companies where Dahldorf John T has traded

Track record of Dahldorf John T

Transaction history of Dahldorf John T

Co-insiders of Dahldorf John T

Dahldorf John T

Insider trading activity of Dahldorf John T

Companies where Dahldorf John T has traded

Track record of Dahldorf John T

Transaction history of Dahldorf John T

Co-insiders of Dahldorf John T