John Matthew Collins

Insider

First SEC filing: Oct. 7, 2021 · Latest: Oct. 7, 2021

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

CALX selling Oct. 27, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 31, 2025	CALX	A	107,775	—	—	107,775 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2025	CALX	A	68,850	—	—	68,850 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2025	CALX	A	195,000	—	—	195,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 8, 2024	CALX	A	109,000	—	—	109,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 27, 2023	CALX	M	15,000	$6.95	$104,250	15,000 Direct	—	Acquired	482.5% (price as of 2026-08-20)
Oct. 27, 2023	CALX	M	15,000	$8.03	$120,450	30,000 Direct	+100.00%	Acquired	404.2% (price as of 2026-08-20)
Oct. 27, 2023	CALX	M	30,000	$9.16	$274,800	60,000 Direct	+100.00%	Acquired	342.0% (price as of 2026-08-20)
Oct. 27, 2023	CALX	S	60,000	$33.14	$1,988,400	0 Direct	-100.00%	Disposed	22.2% (price as of 2026-08-20)
Oct. 27, 2023	CALX	M	15,000	—	—	20,171 Direct	-42.65%	Disposed	(price as of 2026-08-20)
Oct. 27, 2023	CALX	M	15,000	—	—	25,000 Direct	-37.50%	Disposed	(price as of 2026-08-20)
Oct. 27, 2023	CALX	M	30,000	—	—	165,000 Direct	-15.38%	Disposed	(price as of 2026-08-20)
July 25, 2023	CALX	M	5,000	$6.95	$34,750	5,000 Direct	—	Acquired	482.5% (price as of 2026-08-20)
July 25, 2023	CALX	M	5,000	$8.03	$40,150	10,000 Direct	+100.00%	Acquired	404.2% (price as of 2026-08-20)
July 25, 2023	CALX	S	10,000	$47.12	$471,200	0 Direct	-100.00%	Disposed	-14.1% (price as of 2026-08-20)
July 25, 2023	CALX	M	5,000	—	—	35,171 Direct	-12.45%	Disposed	(price as of 2026-08-20)
July 25, 2023	CALX	M	5,000	—	—	40,000 Direct	-11.11%	Disposed	(price as of 2026-08-20)
May 2, 2023	CALX	M	5,000	$6.95	$34,750	5,000 Direct	—	Acquired	482.5% (price as of 2026-08-20)
May 2, 2023	CALX	S	5,000	$44.10	$220,500	0 Direct	-100.00%	Disposed	-8.2% (price as of 2026-08-20)
May 2, 2023	CALX	M	5,000	—	—	40,171 Direct	+14.22%	Acquired	(price as of 2026-08-20)
Feb. 9, 2023	CALX	A	65,000	—	—	65,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 3, 2023	CALX	M	5,000	$6.95	$34,750	5,000 Direct	—	Acquired	482.5% (price as of 2026-08-20)
Feb. 3, 2023	CALX	S	5,000	$54.48	$272,400	0 Direct	-100.00%	Disposed	-25.7% (price as of 2026-08-20)
Feb. 3, 2023	CALX	M	5,000	—	—	45,171 Direct	+12.45%	Acquired	(price as of 2026-08-20)
Nov. 3, 2022	CALX	M	5,000	$9.16	$45,800	5,000 Direct	—	Acquired	342.0% (price as of 2026-08-20)
Nov. 3, 2022	CALX	S	5,000	$70.65	$353,250	0 Direct	-100.00%	Disposed	-42.7% (price as of 2026-08-20)
Nov. 3, 2022	CALX	M	5,000	—	—	195,000 Direct	-2.50%	Disposed	(price as of 2026-08-20)
Aug. 3, 2022	CALX	M	5,000	$6.95	$34,750	5,000 Direct	—	Acquired	482.5% (price as of 2026-08-20)
Aug. 3, 2022	CALX	S	5,000	$58.31	$291,550	0 Direct	-100.00%	Disposed	-30.6% (price as of 2026-08-20)
Aug. 3, 2022	CALX	M	5,000	—	—	50,171 Direct	-9.06%	Disposed	(price as of 2026-08-20)
Nov. 2, 2021	CALX	S	829	$70.05	$58,071	0 Direct	-100.00%	Disposed	-42.2% (price as of 2026-08-20)
Oct. 29, 2021	CALX	M	10,829	$6.95	$75,262	10,829 Direct	—	Acquired	482.5% (price as of 2026-08-20)
Oct. 29, 2021	CALX	S	8,912	$61.79	$550,672	1,917 Direct	-82.30%	Disposed	-34.5% (price as of 2026-08-20)
Oct. 29, 2021	CALX	S	1,088	$61.60	$67,021	829 Direct	-56.76%	Disposed	-34.3% (price as of 2026-08-20)
Oct. 29, 2021	CALX	M	10,829	—	—	60,171 Direct	-15.25%	Disposed	(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.

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
Jan. 31, 2025	CALX	Stock Option (right to buy)	Common Stock (107,775)	$34.26	Feb. 8, 2034	107,775	Acquired
Jan. 31, 2025	CALX	Stock Option (right to buy)	Common Stock (68,850)	$34.26	Feb. 8, 2034	68,850	Acquired
Jan. 31, 2025	CALX	Stock Option (right to buy)	Common Stock (195,000)	$39.68	Jan. 31, 2035	195,000	Acquired
Feb. 8, 2024	CALX	Stock Option (right to buy)	Common Stock (109,000)	$51.55	Feb. 9, 2033	109,000	Acquired
Oct. 27, 2023	CALX	Stock Option (right to buy)	Common Stock (15,000)	$6.95	Aug. 1, 2027	15,000	Disposed
Oct. 27, 2023	CALX	Stock Option (right to buy)	Common Stock (15,000)	$8.03	Feb. 14, 2029	15,000	Disposed
Oct. 27, 2023	CALX	Stock Option (right to buy)	Common Stock (30,000)	$9.16	Jan. 31, 2030	30,000	Disposed
July 25, 2023	CALX	Stock Option (right to buy)	Common Stock (5,000)	$6.95	Aug. 1, 2027	5,000	Disposed
July 25, 2023	CALX	Stock Option (right to buy)	Common Stock (5,000)	$8.03	Feb. 14, 2029	5,000	Disposed
May 2, 2023	CALX	Stock Option (right to buy)	Common Stock (5,000)	$6.95	Aug. 1, 2027	5,000	Acquired
Feb. 9, 2023	CALX	Common Stock	Common Stock (65,000)	$55.96	Feb. 10, 2032	65,000	Acquired
Feb. 3, 2023	CALX	Stock Option (right to buy)	Common Stock (5,000)	$6.95	Aug. 1, 2027	5,000	Acquired
Nov. 3, 2022	CALX	Stock Option (right to buy)	Common Stock (5,000)	$9.16	Jan. 31, 2030	5,000	Disposed
Aug. 3, 2022	CALX	Stock Option (right to buy)	Common Stock (5,000)	$6.95	Aug. 1, 2027	5,000	Disposed
Oct. 29, 2021	CALX	Stock Option (right to buy)	Common Stock (10,829)	$6.95	Aug. 1, 2027	10,829	Disposed

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
Oct. 7, 2021	CALX	Stock Option (right to buy)→ Common Stock (71,000)	71,000	Direct
Oct. 7, 2021	CALX	Stock Option (right to buy)→ Common Stock (45,000)	45,000	Direct
Oct. 7, 2021	CALX	Stock Option (right to buy)→ Common Stock (200,000)	200,000	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CALX

Chief Commercial Operations Officer

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2022	$358,750	—	—	—	$265,722	—	$9,150	$6,510,151
2021	$348,297	—	—	—	$232,391	—	$8,693	$2,817,877
2020	$335,000	—	—	—	—	—	—	—

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.