Griffith Joseph H. IV

VP, Finance & Controller at CALIPER LIFE SCIENCES INC · on record since Sep 23, 2008
Chief Financial Officer at 908 Devices Inc. · on record since May 29, 2026

Insider trading activity of Griffith Joseph H. IV

Transactions on record: 132; since Jul 1, 2008

Open-market buys: 0

Open-market sells: 31; $4.5M

Companies traded: 2; last filing Aug 27, 2026

Figures computed from official regulatory filings — .

Companies where Griffith Joseph H. IV has traded

908 Devices Inc.85 tx · $4.6M · Aug 27, 2026
CALIPER LIFE SCIENCES INC47 tx · $820K · Nov 7, 2011

Track record of Griffith Joseph H. IV

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

Transaction history of Griffith Joseph H. IV

Co-insiders of Griffith Joseph H. IV

HRUSOVSKY E KEVIN908 Devices Inc. +1
AWM Investment Company, Inc.908 Devices Inc.
BAL BRUCE JCALIPER LIFE SCIENCES INC
BARTHELEMY NICOLAS908 Devices Inc.
Basarsky Trent A.908 Devices Inc.
BERWIND CO LLCCALIPER LIFE SCIENCES INC
BILLET VANCALIPER LIFE SCIENCES INC
BISHOP ROBERT CCALIPER LIFE SCIENCES INC
Brown Christopher D.908 Devices Inc.
BYBEE CLINTON908 Devices Inc.
CARTER DAVID WARRENCALIPER LIFE SCIENCES INC
Comstock Allan LCALIPER LIFE SCIENCES INC
CRANDELL KEITH908 Devices Inc.
CREAGER STEPHEN ECALIPER LIFE SCIENCES INC
CUMMINS EDGAR JCALIPER LIFE SCIENCES INC
DELLI- SANTI JOHN SCALIPER LIFE SCIENCES INC
Eisenberg Marcia908 Devices Inc.
EISENSON MICHAEL RCALIPER LIFE SCIENCES INC
ELOI FENEL M908 Devices Inc.
Fitzpatrick Maura908 Devices Inc.
George Jeffrey P.908 Devices Inc.
HENDRICKSON ANTHONY TCALIPER LIFE SCIENCES INC
HIGGINS THOMAS TCALIPER LIFE SCIENCES INC
Hunt Anthony908 Devices Inc.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
908 Devices Inc.Listing on record	Aug 27, 2026	Sell	-11,459	10.95 USD	$125.5K	SEC
908 Devices Inc.Listing on record	May 29, 2026	Sell	-6,940	9.03 USD	$62.7K	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Exercise	11,260	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	ExerciseD (derivative)	-10,306	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Exercise	43,473	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Sell	-23,175	6.18 USD	$143.2K	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	AwardD (derivative)	121,164	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	ExerciseD (derivative)	-11,260	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	ExerciseD (derivative)	-43,473	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Exercise	5,102	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	AwardD (derivative)	52,967	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Exercise	10,306	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	ExerciseD (derivative)	-5,102	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Oct 6, 2025	Sell	-4,292	9.05 USD	$38.8K	SEC
908 Devices Inc.Listing on record	Oct 6, 2025	Sell	-708	9.04 USD	$6.4K	SEC
908 Devices Inc.Listing on record	Sep 23, 2025	Sell	-5,000	7.07 USD	$35.4K	SEC
908 Devices Inc.Listing on record	Jun 6, 2025	Sell	-6,940	7.08 USD	$49.1K	SEC
908 Devices Inc.Listing on record	Mar 5, 2025	AwardD (derivative)	130,418	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Mar 5, 2025	AwardD (derivative)	59,362	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	Sell	-3,955	2.34 USD	$9.3K	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	ExerciseD (derivative)	-10,306	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	ExerciseD (derivative)	-11,261	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	ExerciseD (derivative)	-5,102	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	Exercise	11,261	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	Sell	-4,321	2.35 USD	$10.2K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
908 Devices Inc.Listing on record	Aug 27, 2026	Sell	-11,459	10.95 USD	$125.5K	SEC
908 Devices Inc.Listing on record	May 29, 2026	Sell	-6,940	9.03 USD	$62.7K	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Exercise	11,260	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	ExerciseD (derivative)	-10,306	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Exercise	43,473	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Sell	-23,175	6.18 USD	$143.2K	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	AwardD (derivative)	121,164	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	ExerciseD (derivative)	-11,260	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	ExerciseD (derivative)	-43,473	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Exercise	5,102	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	AwardD (derivative)	52,967	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	Exercise	10,306	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 3, 2026	ExerciseD (derivative)	-5,102	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Oct 6, 2025	Sell	-4,292	9.05 USD	$38.8K	SEC
908 Devices Inc.Listing on record	Oct 6, 2025	Sell	-708	9.04 USD	$6.4K	SEC
908 Devices Inc.Listing on record	Sep 23, 2025	Sell	-5,000	7.07 USD	$35.4K	SEC
908 Devices Inc.Listing on record	Jun 6, 2025	Sell	-6,940	7.08 USD	$49.1K	SEC
908 Devices Inc.Listing on record	Mar 5, 2025	AwardD (derivative)	130,418	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Mar 5, 2025	AwardD (derivative)	59,362	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	Sell	-3,955	2.34 USD	$9.3K	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	ExerciseD (derivative)	-10,306	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	ExerciseD (derivative)	-11,261	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	ExerciseD (derivative)	-5,102	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	Exercise	11,261	—	n/a (No price was disclosed in the filing)	SEC
908 Devices Inc.Listing on record	Feb 4, 2025	Sell	-4,321	2.35 USD	$10.2K	SEC