David J Firstenberg

Insider

First SEC filing: Oct. 24, 2007 · Latest: Oct. 24, 2007

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

THG selling Sept. 2, 2010

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 23 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

23 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 2, 2010	THG	M	24,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 2, 2010	THG	M	40,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 2, 2010	THG	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Sept. 2, 2010	THG	S	64,500	$44.20	$2,850,900	27,919 Direct	-69.79%	Disposed	401.8% (price as of 2026-08-19)
Sept. 2, 2010	THG	S	5,000	$44.23	$221,150	92,419 Direct	-5.13%	Disposed	401.4% (price as of 2026-08-19)
Sept. 2, 2010	THG	M	24,500	$36.50	$894,250	97,419 Direct	+33.60%	Acquired	507.6% (price as of 2026-08-19)
Sept. 2, 2010	THG	M	40,000	$36.88	$1,475,200	72,919 Direct	+121.51%	Acquired	501.4% (price as of 2026-08-19)
Sept. 2, 2010	THG	M	5,000	$41.20	$206,000	32,919 Direct	+17.91%	Acquired	438.3% (price as of 2026-08-19)
March 9, 2010	THG	F	381	$43.33	$16,509	27,919 Direct	-1.35%	Disposed	411.9% (price as of 2026-08-19)
Feb. 26, 2010	THG	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 26, 2010	THG	A	1,000	—	—	28,300 Direct	+3.66%	Acquired	(price as of 2026-08-19)
Feb. 25, 2010	THG	F	501	$41.80	$20,942	27,300 Direct	-1.80%	Disposed	430.6% (price as of 2026-08-19)
Feb. 25, 2010	THG	A	1,320	—	—	27,801 Direct	+4.98%	Acquired	(price as of 2026-08-19)
Feb. 23, 2009	THG	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 23, 2009	THG	A	2,750	—	—	26,481 Direct	+11.59%	Acquired	(price as of 2026-08-19)
Feb. 17, 2009	THG	F	988	$36.66	$36,220	23,731 Direct	-4.00%	Disposed	505.0% (price as of 2026-08-19)
Feb. 17, 2009	THG	F	988	$36.66	$36,220	23,731 Direct	-4.00%	Disposed	505.0% (price as of 2026-08-19)
Feb. 25, 2008	THG	F	449	$45.21	$20,299	24,719 Direct	-1.78%	Disposed	390.6% (price as of 2026-08-19)
Feb. 25, 2008	THG	A	3,990	—	—	25,168 Direct	+18.84%	Acquired	(price as of 2026-08-19)
Feb. 14, 2008	THG	F	2,085	$43.56	$90,823	21,178 Direct	-8.96%	Disposed	409.2% (price as of 2026-08-19)
Feb. 7, 2008	THG	F	2,094	$44.85	$93,916	23,263 Direct	-8.26%	Disposed	394.5% (price as of 2026-08-19)
Feb. 7, 2008	THG	A	5,568	—	—	25,357 Direct	+28.14%	Acquired	(price as of 2026-08-19)
Feb. 7, 2008	THG	A	6,300	—	—	19,789 Direct	+46.70%	Acquired	(price as of 2026-08-19)
March 5, 2004	THG	A	1,421	—	—	1,521 Direct	+1421.00%	Acquired	(price as of 2026-08-19)
Feb. 27, 2004	THG	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Sept. 2, 2010	THG	Stock Option (right to buy)	Common Stock (24,500)	$36.50	Feb. 7, 2015	24,500	Disposed
Sept. 2, 2010	THG	Stock Option (right to buy)	Common Stock (40,000)	$36.88	Feb. 27, 2014	40,000	Disposed
Sept. 2, 2010	THG	Stock Option (right to buy)	Common Stock (5,000)	$41.20	Dec. 17, 2011	5,000	Disposed
Feb. 26, 2010	THG	Common Stock (right to buy)	Common Stock (12,500)	$42.15	Feb. 26, 2020	12,500	Acquired
Feb. 23, 2009	THG	Common Stock (Right to Buy)	Common Stock (20,000)	$34.19	Feb. 23, 2019	20,000	Acquired
Feb. 27, 2004	THG	Stock Option (Right to Buy)	Common Stock (40,000)	$36.88	Feb. 27, 2014	40,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 10 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Oct. 24, 2007	THG	Common Stock	13,489	Direct
Oct. 24, 2007	THG	Common Stock	3,951	Indirect
Oct. 24, 2007	THG	Stock Option (Right to Buy)→ Common Stock (5,000)	5,000	Direct
Oct. 24, 2007	THG	Stock Option (Right to Buy)→ Common Stock (40,000)	40,000	Direct
Oct. 24, 2007	THG	Stock Option (Right to Buy)→ Common Stock (24,500)	24,500	Direct
Oct. 24, 2007	THG	Stock Option (Right to Buy)→ Common Stock (18,975)	18,975	Direct
Feb. 12, 2004	THG	Common Stock	1,325	Indirect
Nov. 12, 2003	THG	Common Stock	100	Direct
Nov. 12, 2003	THG	Employee Stock Option (right to buy)→ Common Stock (5,000)	5,000	Direct
Nov. 12, 2003	THG	Employee Stock Option (right to buy)→ Common Stock (15,000)	15,000	Direct