Martyn Etherington

Insider

First SEC filing: Jan. 24, 2019 · Latest: Jan. 24, 2019

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Insider at

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
March 15, 2021	TDC	S	8,000	$44.39	$355,120	84,454 Direct	-8.65%	Disposed	-37.1% (price as of 2026-08-20)
March 5, 2021	TDC	F	1,981	$41.31	$81,835	92,454 Direct	-2.10%	Disposed	-32.4% (price as of 2026-08-20)
March 1, 2021	TDC	F	6,092	$42.13	$256,656	94,344 Direct	-6.07%	Disposed	-33.7% (price as of 2026-08-20)
March 1, 2021	TDC	F	2,243	$42.13	$94,498	100,436 Direct	-2.18%	Disposed	-33.7% (price as of 2026-08-20)
March 1, 2021	TDC	A	12,702	—	—	102,679 Direct	+14.12%	Acquired	(price as of 2026-08-20)
Feb. 26, 2021	TDC	F	4,995	$41.03	$204,945	89,977 Direct	-5.26%	Disposed	-32.0% (price as of 2026-08-20)
Feb. 25, 2021	TDC	A	10,073	$41.03	$413,295	94,972 Direct	+11.86%	Acquired	-32.0% (price as of 2026-08-20)
Feb. 1, 2021	TDC	F	21,994	$27.82	$611,873	84,765 Direct	-20.60%	Disposed	0.3% (price as of 2026-08-20)
Feb. 1, 2021	TDC	A	43,890	—	—	106,759 Direct	+69.81%	Acquired	(price as of 2026-08-20)
March 9, 2020	TDC	F	1,969	$20.64	$40,640	62,067 Direct	-3.07%	Disposed	35.2% (price as of 2026-08-20)
March 2, 2020	TDC	F	2,399	$20.87	$50,067	63,940 Direct	-3.62%	Disposed	33.8% (price as of 2026-08-20)
March 1, 2020	TDC	A	36,858	—	—	66,339 Direct	+125.02%	Acquired	(price as of 2026-08-20)
Nov. 12, 2019	TDC	P	4,300	$26.43	$113,649	29,256 Direct	+17.23%	Acquired	5.6% (price as of 2026-08-20)
March 5, 2019	TDC	F	1,491	$48.30	$72,015	24,498 Direct	-5.74%	Disposed	-42.2% (price as of 2026-08-20)
March 1, 2019	TDC	A	13,569	—	—	25,989 Direct	+109.25%	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.

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

Date	Ticker	Security	Shares	Ownership
Jan. 24, 2019	TDC	Common Stock	12,344	Direct