Suman B. Mookerji

CIK 1975924 · View on SEC EDGAR ↗

Insider

First SEC filing: May 8, 2023 · Latest: May 8, 2023

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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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

DCO selling May 20, 2026

Insider transactions

0 buys (P) 1 sells (S) Net: $-219,530 + 30 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

30 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 20, 2026	DCO	S	1,514	$145.00	$219,530	25,769 Direct	-5.55%	Disposed	32.3% (price as of 2026-08-21)
May 15, 2026	DCO	M	7,500	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
May 15, 2026	DCO	F	4,783	$151.59	$725,055	27,283 Direct	-14.92%	Disposed	26.5% (price as of 2026-08-21)
May 15, 2026	DCO	M	7,500	$40.44	$303,300	32,066 Direct	+30.53%	Acquired	374.3% (price as of 2026-08-21)
May 15, 2026	DCO	M	7,500	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
May 15, 2026	DCO	F	4,728	$151.59	$716,718	27,338 Direct	-14.74%	Disposed	26.5% (price as of 2026-08-21)
May 15, 2026	DCO	M	7,500	$40.44	$303,300	32,066 Direct	+30.53%	Acquired	374.3% (price as of 2026-08-21)
May 14, 2026	DCO	D	1,259	—	—	24,566 Direct	-4.88%	Disposed	(price as of 2026-08-21)
May 14, 2026	DCO	F	1,239	$15159.00	$18,782,001	25,825 Direct	-4.58%	Disposed	-98.7% (price as of 2026-08-21)
May 14, 2026	DCO	D	1,259	—	—	24,566 Direct	-4.88%	Disposed	(price as of 2026-08-21)
May 14, 2026	DCO	F	1,239	$151.59	$187,820	25,825 Direct	-4.58%	Disposed	26.5% (price as of 2026-08-21)
May 8, 2026	DCO	D	1,174	—	—	27,064 Direct	-4.16%	Disposed	(price as of 2026-08-21)
May 8, 2026	DCO	F	1,155	$137.23	$158,501	28,238 Direct	-3.93%	Disposed	39.8% (price as of 2026-08-21)
June 20, 2025	DCO	F	838	$80.57	$67,518	42,118 Direct	-1.95%	Disposed	138.1% (price as of 2026-08-21)
May 14, 2025	DCO	F	1,343	$66.25	$88,974	42,956 Direct	-3.03%	Disposed	189.5% (price as of 2026-08-21)
May 8, 2025	DCO	F	1,252	$66.72	$83,533	44,299 Direct	-2.75%	Disposed	187.5% (price as of 2026-08-21)
March 5, 2025	DCO	A	4,000	$57.09	$228,360	45,551 Direct	+9.63%	Acquired	236.0% (price as of 2026-08-21)
March 5, 2025	DCO	A	7,597	—	—	41,551 Direct	+22.37%	Acquired	(price as of 2026-08-21)
March 5, 2025	DCO	F	2,063	$57.65	$118,932	33,954 Direct	-5.73%	Disposed	232.7% (price as of 2026-08-21)
March 5, 2025	DCO	A	3,837	—	—	36,017 Direct	+11.92%	Acquired	(price as of 2026-08-21)
Aug. 30, 2024	DCO	F	359	$65.08	$23,364	32,180 Direct	-1.10%	Disposed	194.7% (price as of 2026-08-21)
June 21, 2024	DCO	F	838	$58.02	$48,621	32,539 Direct	-2.51%	Disposed	230.6% (price as of 2026-08-21)
May 14, 2024	DCO	A	7,494	—	—	33,377 Direct	+28.95%	Acquired	(price as of 2026-08-21)
May 8, 2024	DCO	F	1,252	$56.54	$70,788	25,883 Direct	-4.61%	Disposed	239.2% (price as of 2026-08-21)
Feb. 26, 2024	DCO	F	5,496	$48.73	$267,820	27,135 Direct	-16.84%	Disposed	293.6% (price as of 2026-08-21)
Feb. 26, 2024	DCO	A	9,840	—	—	32,424 Direct	+43.57%	Acquired	(price as of 2026-08-21)
Feb. 16, 2024	DCO	F	606	$49.13	$29,773	22,584 Direct	-2.61%	Disposed	290.4% (price as of 2026-08-21)
Aug. 30, 2023	DCO	F	351	$44.81	$15,728	23,190 Direct	-1.49%	Disposed	328.0% (price as of 2026-08-21)
June 22, 2023	DCO	F	820	$44.22	$36,260	23,541 Direct	-3.37%	Disposed	333.7% (price as of 2026-08-21)
May 8, 2023	DCO	A	6,985	—	—	24,361 Direct	+40.20%	Acquired	(price as of 2026-08-21)
May 5, 2023	DCO	F	831	$48.76	$40,520	17,376 Direct	-4.56%	Disposed	293.4% (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
May 15, 2026	DCO	Option - Right to Buy [F4]	Common Stock (7,500)	$40.44	Oct. 10, 2029	7,500	Acquired
May 15, 2026	DCO	Option - Right to Buy [F3]	Common Stock (7,500)	$40.44	Oct. 10, 2029	7,500	Acquired

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
May 8, 2023	DCO	Common Stock [F1]	18,207	Direct
May 8, 2023	DCO	Stock Option [F2]→ Common Stock (4,700)	4,700	Direct
May 8, 2023	DCO	Stock Option [F2]→ Common Stock (7,500)	7,500	Direct

Compensation (DEF 14A)

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

DCO

CFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$545,813	$214,000	$1,316,393	—	$1,064,336	—	$129,844	$3,270,386

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