John Howard Campbell

Insider

First SEC filing: Sept. 30, 2009 · Latest: Sept. 30, 2009

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 4 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

4 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 1, 2012	IRDM	A	12,059	—	—	12,059 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2012	IRDM	A	5,343	—	—	34,985 Direct	+18.03%	Acquired	(price as of 2026-08-20)
Feb. 21, 2011	IRDM	A	90,000	—	—	90,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 19, 2009	IRDM	A	135,000	—	—	135,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 29, 2009	IRDM	P	29,642	—	—	29,642 Direct	—	Acquired	(price as of 2026-08-20)

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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 1, 2012	IRDM	Employee Stock Option (Right to Buy)	Common Stock (12,059)	$7.56	March 1, 2022	12,059	Acquired
Feb. 21, 2011	IRDM	Employee Stock Option (right to buy)	Common Stock (90,000)	$8.31	Feb. 21, 2021	90,000	Acquired
Nov. 19, 2009	IRDM	Employee Stock Option (right to buy)	Common Stock (135,000)	$8.73	Nov. 19, 2019	135,000	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
Sept. 30, 2009	IRDM	No securities are beneficially owned	0	Direct