Mano S Koilpillai

Insider

First SEC filing: Oct. 8, 2019 · Latest: Oct. 8, 2019

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

AGX selling July 30, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 22 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

22 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 30, 2024	AGX	S	2,633	$76.92	$202,530	4,975 Direct	-34.61%	Disposed	575.4% (price as of 2026-08-21)
April 23, 2024	AGX	S	2,700	$61.79	$166,833	7,608 Direct	-26.19%	Disposed	740.8% (price as of 2026-08-21)
April 17, 2024	AGX	M	3,157	—	—	3,337 Direct	+1753.89%	Acquired	(price as of 2026-08-21)
April 17, 2024	AGX	M	2,337	—	—	5,674 Direct	+70.03%	Acquired	(price as of 2026-08-21)
April 17, 2024	AGX	M	2,600	—	—	8,274 Direct	+45.82%	Acquired	(price as of 2026-08-21)
April 17, 2024	AGX	M	1,331	—	—	9,605 Direct	+16.09%	Acquired	(price as of 2026-08-21)
April 17, 2024	AGX	M	703	—	—	10,308 Direct	+7.32%	Acquired	(price as of 2026-08-21)
April 17, 2024	AGX	M	10,000	—	—	28,167 Direct	-26.20%	Disposed	(price as of 2026-08-21)
April 17, 2024	AGX	M	6,667	—	—	21,500 Direct	-23.67%	Disposed	(price as of 2026-08-21)
April 17, 2024	AGX	M	10,000	—	—	11,500 Direct	-46.51%	Disposed	(price as of 2026-08-21)
April 17, 2024	AGX	M	3,334	—	—	8,166 Direct	-28.99%	Disposed	(price as of 2026-08-21)
April 17, 2024	AGX	M	1,667	—	—	6,499 Direct	-20.41%	Disposed	(price as of 2026-08-21)
Dec. 14, 2023	AGX	A	1,500	—	—	38,167 Direct	+4.09%	Acquired	(price as of 2026-08-21)
Dec. 14, 2023	AGX	A	2,500	—	—	6,000 Direct	+71.43%	Acquired	(price as of 2026-08-21)
Dec. 16, 2022	AGX	A	5,000	—	—	36,667 Direct	+15.79%	Acquired	(price as of 2026-08-21)
Dec. 16, 2022	AGX	A	1,750	—	—	3,500 Direct	+100.00%	Acquired	(price as of 2026-08-21)
Dec. 14, 2021	AGX	A	5,000	—	—	31,667 Direct	+18.75%	Acquired	(price as of 2026-08-21)
Dec. 14, 2021	AGX	A	1,750	—	—	1,750 Direct	—	Acquired	(price as of 2026-08-21)
April 27, 2021	AGX	M	702	$40.15	$28,185	26,667 Direct	-2.56%	Disposed	1193.9% (price as of 2026-08-21)
April 27, 2021	AGX	S	522	$49.94	$26,069	180 Direct	-74.36%	Disposed	940.3% (price as of 2026-08-21)
April 27, 2021	AGX	M	702	$40.15	$28,185	702 Direct	—	Acquired	1193.9% (price as of 2026-08-21)
April 26, 2021	AGX	M	2,631	$40.15	$105,635	27,369 Direct	-8.77%	Disposed	1193.9% (price as of 2026-08-21)
April 26, 2021	AGX	S	2,631	$50.16	$131,971	0 Direct	-100.00%	Disposed	935.7% (price as of 2026-08-21)
April 26, 2021	AGX	M	2,631	$40.15	$105,635	2,631 Direct	—	Acquired	1193.9% (price as of 2026-08-21)
Dec. 14, 2020	AGX	A	10,000	—	—	30,000 Direct	+50.00%	Acquired	(price as of 2026-08-21)
Dec. 23, 2019	AGX	A	10,000	—	—	20,000 Direct	+100.00%	Acquired	(price as of 2026-08-21)

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
April 17, 2024	AGX	Option to Purchase Common Stock	Common Stock (10,000)	$42.31	Sept. 10, 2029	10,000	Disposed
April 17, 2024	AGX	Option to Purchase Common Stock	Common Stock (6,667)	$40.15	Dec. 23, 2029	6,667	Disposed
April 17, 2024	AGX	Option to Purchase Common Stock	Common Stock (10,000)	$45.75	Dec. 14, 2030	10,000	Disposed
April 17, 2024	AGX	Option to Purchase Common Stock	Common Stock (3,334)	$37.13	Dec. 14, 2031	3,334	Disposed
April 17, 2024	AGX	Option to Purchase Common Stock	Common Stock (1,667)	$35.72	Dec. 16, 2032	1,667	Disposed
Dec. 14, 2023	AGX	Option to Purchase Common Stock	Common Stock (1,500)	$43.70	Dec. 14, 2033	1,500	Acquired
Dec. 14, 2023	AGX	Time-Based Restricted Stock Units	Common Stock (2,500)	$0.00	Dec. 14, 2026	2,500	Acquired
Dec. 16, 2022	AGX	Option to Purchase Common Stock	Common Stock (5,000)	$35.72	Dec. 16, 2032	5,000	Acquired
Dec. 16, 2022	AGX	Time-Based Restricted Stock Units	Common Stock (1,750)	$0.00	Dec. 16, 2025	1,750	Acquired
Dec. 14, 2021	AGX	Option to Purchase Common Stock	Common Stock (5,000)	$37.13	Dec. 14, 2031	5,000	Acquired
Dec. 14, 2021	AGX	Time-Based Restricted Stock Units	Common Stock (1,750)	$0.00	Dec. 14, 2024	1,750	Acquired
April 27, 2021	AGX	Stock Option to Purchase Common Stock	Common Stock (702)	$40.15	Dec. 23, 2029	702	Disposed
April 26, 2021	AGX	Stock Option to Purchase Common Stock	Common Stock (2,631)	$40.15	Dec. 23, 2029	2,631	Disposed
Dec. 14, 2020	AGX	Stock Option to Purchase Common Stock	Common Stock (10,000)	$45.75	Dec. 14, 2030	10,000	Acquired
Dec. 23, 2019	AGX	Stock Option to Purchase Common Stock	Common Stock (10,000)	$40.15	Dec. 23, 2029	10,000	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Oct. 8, 2019	AGX	Option to Purchase Common Stock→ Common Stock	—	Direct