Utpal Koppikar

Insider

First SEC filing: June 26, 2026 · Latest: June 26, 2026

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 24, 2026	CCCC	A	62,000	—	—	62,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 16, 2022	ATRA	S 10b5-1	1,083	$4.49	$4,863	191,334 Direct	-0.56%	Disposed	-91.5% (price as of 2026-08-20)
Nov. 16, 2022	ATRA	S 10b5-1	5,172	$4.49	$23,222	192,417 Direct	-2.62%	Disposed	-91.5% (price as of 2026-08-20)
Aug. 16, 2022	ATRA	S 10b5-1	5,940	$5.04	$29,938	197,589 Direct	-2.92%	Disposed	-92.4% (price as of 2026-08-20)
May 17, 2022	ATRA	S 10b5-1	966	$5.32	$5,139	207,592 Direct	-0.46%	Disposed	-92.8% (price as of 2026-08-20)
May 17, 2022	ATRA	S 10b5-1	4,616	$5.32	$24,557	208,558 Direct	-2.17%	Disposed	-92.8% (price as of 2026-08-20)
March 16, 2022	CCCC	A	41,200	—	—	41,200 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2022	ATRA	A	115,107	—	—	115,107 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2022	ATRA	S 10b5-1	1,491	$9.86	$14,701	213,174 Direct	-0.69%	Disposed	-96.1% (price as of 2026-08-20)
March 1, 2022	ATRA	S 10b5-1	2,272	$9.86	$22,402	214,665 Direct	-1.05%	Disposed	-96.1% (price as of 2026-08-20)
March 1, 2022	ATRA	A	61,235	—	—	216,937 Direct	+39.33%	Acquired	(price as of 2026-08-20)
May 18, 2021	ATRA	S 10b5-1	3,616	$14.55	$52,613	168,966 Direct	-2.10%	Disposed	-97.4% (price as of 2026-08-20)
March 26, 2021	ATRA	S 10b5-1	1,761	$14.58	$25,675	172,582 Direct	-1.01%	Disposed	-97.4% (price as of 2026-08-20)
March 2, 2021	ATRA	S 10b5-1	1,461	$16.74	$24,457	174,343 Direct	-0.83%	Disposed	-97.7% (price as of 2026-08-20)
March 1, 2021	ATRA	A	68,314	—	—	68,314 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2021	ATRA	A	45,258	—	—	175,804 Direct	+34.67%	Acquired	(price as of 2026-08-20)
Feb. 8, 2021	ATRA	S 10b5-1	1,759	$20.39	$35,866	130,546 Direct	-1.33%	Disposed	-98.1% (price as of 2026-08-20)
Nov. 17, 2020	ATRA	S 10b5-1	1,469	$19.77	$29,042	132,061 Direct	-1.10%	Disposed	-98.1% (price as of 2026-08-20)
Aug. 18, 2020	ATRA	S 10b5-1	1,496	$12.09	$18,087	133,530 Direct	-1.11%	Disposed	-96.8% (price as of 2026-08-20)
June 9, 2020	ATRA	S 10b5-1	3,924	$10.18	$39,946	135,026 Direct	-2.82%	Disposed	-96.3% (price as of 2026-08-20)
May 18, 2020	ATRA	S 10b5-1	1,428	$11.22	$16,022	137,375 Direct	-1.03%	Disposed	-96.6% (price as of 2026-08-20)
March 27, 2020	ATRA	S 10b5-1	1,827	$9.17	$16,754	137,330 Direct	-1.31%	Disposed	-95.8% (price as of 2026-08-20)
March 1, 2020	ATRA	A	73,750	—	—	73,750 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2020	ATRA	A	66,875	—	—	139,157 Direct	+92.52%	Acquired	(price as of 2026-08-20)
Feb. 6, 2020	ATRA	S 10b5-1	1,781	$14.21	$25,308	72,282 Direct	-2.40%	Disposed	-97.3% (price as of 2026-08-20)
March 26, 2019	ATRA	A	10,000	—	—	74,063 Direct	+15.61%	Acquired	(price as of 2026-08-20)
Feb. 6, 2019	ATRA	A	34,125	—	—	34,125 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 6, 2019	ATRA	A	17,063	—	—	64,063 Direct	+36.30%	Acquired	(price as of 2026-08-20)
July 27, 2018	ATRA	P	2,000	$36.80	$73,600	47,000 Direct	+4.44%	Acquired	-99.0% (price as of 2026-08-20)
June 7, 2018	ATRA	A	75,000	—	—	75,000 Direct	—	Acquired	(price as of 2026-08-20)
June 7, 2018	ATRA	A	45,000	—	—	45,000 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.

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
June 24, 2026	CCCC	Stock Option (Right to Buy)	Common Stock (62,000)	$4.25	June 23, 2036	62,000	Acquired
March 16, 2022	CCCC	Stock Option (Right to Buy)	Common Stock (41,200)	$22.64	March 15, 2032	41,200	Acquired
March 1, 2022	ATRA	Employee Stock Option (Right to Buy)	Common Stock (115,107)	$10.21	Feb. 28, 2032	115,107	Acquired
March 1, 2021	ATRA	Employee Stock Option (Right to Buy)	Common Stock (68,314)	$17.10	Feb. 28, 2031	68,314	Acquired
March 1, 2020	ATRA	Employee Stock Option (Right to Buy)	Common Stock (73,750)	$12.15	Feb. 28, 2030	73,750	Acquired
Feb. 6, 2019	ATRA	Employee Stock Option (Right to Buy)	Common Stock (34,125)	$38.47	Feb. 5, 2029	34,125	Acquired
June 7, 2018	ATRA	Employee Stock Option (Right to Buy)	Common Stock (75,000)	$42.30	June 6, 2025	75,000	Acquired

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

Compensation (DEF 14A)

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

ATRA

CFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2021	—	—	—	—	—	—	—	—
2020	$460,947	$187,032	—	$597,073	—	—	$7,470	$2,137,953
2019	$439,875	$155,606	—	$909,080	—	—	$895	$2,540,170

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