Stephen Mark Scheppmann

Insider

First SEC filing: Sept. 14, 2007 · Latest: Sept. 14, 2007

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

TDC selling July 31, 2017

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 56 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

56 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 31, 2017	TDC	M	50,752	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
July 31, 2017	TDC	S	47,065	$31.83	$1,498,079	96,624 Direct	-32.75%	Disposed	-11.5% (price as of 2026-08-18)
July 31, 2017	TDC	M	50,752	$27.98	$1,420,041	143,689 Direct	+54.61%	Acquired	0.6% (price as of 2026-08-18)
Feb. 22, 2017	TDC	F	1,665	$31.40	$52,281	92,937 Direct	-1.76%	Disposed	-10.3% (price as of 2026-08-18)
Feb. 22, 2017	TDC	A	14,517	—	—	94,602 Direct	+18.13%	Acquired	(price as of 2026-08-18)
Feb. 13, 2017	TDC	F	138	$29.94	$4,132	80,085 Direct	-0.17%	Disposed	-5.9% (price as of 2026-08-18)
Dec. 5, 2016	TDC	F	2,240	$27.23	$60,995	80,223 Direct	-2.72%	Disposed	3.4% (price as of 2026-08-18)
Dec. 1, 2016	TDC	F	2,126	$26.42	$56,169	82,463 Direct	-2.51%	Disposed	6.6% (price as of 2026-08-18)
Dec. 1, 2016	TDC	F	1,184	$26.42	$31,281	84,589 Direct	-1.38%	Disposed	6.6% (price as of 2026-08-18)
Feb. 7, 2016	TDC	F	138	$23.12	$3,191	85,773 Direct	-0.16%	Disposed	21.8% (price as of 2026-08-18)
Feb. 7, 2016	TDC	A	1,065	—	—	85,911 Direct	+1.26%	Acquired	(price as of 2026-08-18)
Dec. 1, 2015	TDC	A	35,500	—	—	35,500 Direct	—	Acquired	(price as of 2026-08-18)
Dec. 1, 2015	TDC	A	19,122	—	—	84,846 Direct	+29.09%	Acquired	(price as of 2026-08-18)
Dec. 1, 2015	TDC	F	1,184	$30.63	$36,266	65,724 Direct	-1.77%	Disposed	-8.1% (price as of 2026-08-18)
Nov. 27, 2015	TDC	F	1,572	$29.80	$46,846	66,908 Direct	-2.30%	Disposed	-5.5% (price as of 2026-08-18)
Feb. 11, 2015	TDC	F	733	$43.83	$32,127	68,480 Direct	-1.06%	Disposed	-35.8% (price as of 2026-08-18)
Dec. 1, 2014	TDC	A	26,354	—	—	26,354 Direct	—	Acquired	(price as of 2026-08-18)
Dec. 1, 2014	TDC	A	10,650	—	—	69,213 Direct	+18.19%	Acquired	(price as of 2026-08-18)
Dec. 1, 2014	TDC	F	1,670	$44.43	$74,198	58,563 Direct	-2.77%	Disposed	-36.6% (price as of 2026-08-18)
Feb. 11, 2014	TDC	F	731	$43.30	$31,652	60,233 Direct	-1.20%	Disposed	-35.0% (price as of 2026-08-18)
Feb. 7, 2014	TDC	I	4,879	$40.95	$199,795	4,879 Indirect	—	Acquired	-31.2% (price as of 2026-08-18)
Dec. 3, 2013	TDC	A	34,816	—	—	34,816 Direct	—	Acquired	(price as of 2026-08-18)
Dec. 3, 2013	TDC	A	6,716	—	—	60,964 Direct	+12.38%	Acquired	(price as of 2026-08-18)
Dec. 2, 2013	TDC	F	2,667	$45.81	$122,175	54,248 Direct	-4.69%	Disposed	-38.5% (price as of 2026-08-18)
Dec. 2, 2013	TDC	F	4,658	$45.81	$213,383	56,915 Direct	-7.57%	Disposed	-38.5% (price as of 2026-08-18)
Feb. 14, 2013	TDC	F	2,774	$62.15	$172,404	61,573 Direct	-4.31%	Disposed	-54.7% (price as of 2026-08-18)
Feb. 11, 2013	TDC	F	701	$62.26	$43,644	64,347 Direct	-1.08%	Disposed	-54.8% (price as of 2026-08-18)
Feb. 11, 2013	TDC	A	5,921	—	—	65,048 Direct	+10.01%	Acquired	(price as of 2026-08-18)
Dec. 12, 2012	TDC	M	20,000	—	—	18,631 Direct	-51.77%	Disposed	(price as of 2026-08-18)
Dec. 12, 2012	TDC	S	20,000	$61.26	$1,225,200	59,127 Direct	-25.28%	Disposed	-54.0% (price as of 2026-08-18)
Dec. 12, 2012	TDC	M	20,000	$13.77	$275,400	79,127 Direct	+33.83%	Acquired	104.5% (price as of 2026-08-18)
Nov. 27, 2012	TDC	A	26,122	—	—	26,122 Direct	—	Acquired	(price as of 2026-08-18)
Nov. 27, 2012	TDC	A	4,711	—	—	59,127 Direct	+8.66%	Acquired	(price as of 2026-08-18)
Aug. 14, 2012	TDC	M	18,000	—	—	38,631 Direct	-31.78%	Disposed	(price as of 2026-08-18)
Aug. 14, 2012	TDC	S	18,000	$75.50	$1,359,000	54,416 Direct	-24.86%	Disposed	-62.7% (price as of 2026-08-18)
Aug. 14, 2012	TDC	M	18,000	$13.77	$247,860	72,416 Direct	+33.08%	Acquired	104.5% (price as of 2026-08-18)
Aug. 8, 2012	TDC	M	18,000	—	—	56,631 Direct	-24.12%	Disposed	(price as of 2026-08-18)
Aug. 8, 2012	TDC	S	18,000	$73.97	$1,331,460	54,416 Direct	-24.86%	Disposed	-61.9% (price as of 2026-08-18)
Aug. 8, 2012	TDC	M	18,000	$13.77	$247,860	72,416 Direct	+33.08%	Acquired	104.5% (price as of 2026-08-18)
Aug. 3, 2012	TDC	M	36,000	—	—	74,631 Direct	-32.54%	Disposed	(price as of 2026-08-18)
Aug. 3, 2012	TDC	S	4,500	$71.76	$322,920	54,416 Direct	-7.64%	Disposed	-60.8% (price as of 2026-08-18)
Aug. 3, 2012	TDC	S	13,500	$71.51	$965,385	58,916 Direct	-18.64%	Disposed	-60.6% (price as of 2026-08-18)
Aug. 3, 2012	TDC	S	18,000	$70.60	$1,270,800	72,416 Direct	-19.91%	Disposed	-60.1% (price as of 2026-08-18)
Aug. 3, 2012	TDC	M	36,000	$13.77	$495,720	90,416 Direct	+66.16%	Acquired	104.5% (price as of 2026-08-18)
May 4, 2012	TDC	M	35,000	—	—	110,631 Direct	-24.03%	Disposed	(price as of 2026-08-18)
May 4, 2012	TDC	S	35,000	$75.94	$2,657,900	54,416 Direct	-39.14%	Disposed	-62.9% (price as of 2026-08-18)
May 4, 2012	TDC	M	35,000	$13.77	$481,950	89,416 Direct	+64.32%	Acquired	104.5% (price as of 2026-08-18)
Feb. 14, 2012	TDC	F	3,535	$62.16	$219,736	54,416 Direct	-6.10%	Disposed	-54.7% (price as of 2026-08-18)
Feb. 10, 2012	TDC	M	30,451	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
Feb. 10, 2012	TDC	A	9,713	—	—	57,951 Direct	+20.14%	Acquired	(price as of 2026-08-18)
Feb. 10, 2012	TDC	S	25,616	$62.84	$1,609,709	48,238 Direct	-34.68%	Disposed	-55.2% (price as of 2026-08-18)
Feb. 10, 2012	TDC	M	30,451	$27.98	$852,019	73,854 Direct	+70.16%	Acquired	0.6% (price as of 2026-08-18)
Nov. 29, 2011	TDC	A	28,606	—	—	28,606 Direct	—	Acquired	(price as of 2026-08-18)
Nov. 29, 2011	TDC	A	5,005	—	—	43,403 Direct	+13.03%	Acquired	(price as of 2026-08-18)
Feb. 18, 2011	TDC	F	4,435	$48.29	$214,166	38,398 Direct	-10.35%	Disposed	-41.7% (price as of 2026-08-18)
Feb. 14, 2011	TDC	A	30,031	—	—	42,833 Direct	+234.58%	Acquired	(price as of 2026-08-18)
Nov. 30, 2010	TDC	A	32,579	—	—	32,579 Direct	—	Acquired	(price as of 2026-08-18)
Nov. 30, 2010	TDC	A	5,560	—	—	12,802 Direct	+76.77%	Acquired	(price as of 2026-08-18)
Oct. 1, 2010	TDC	F	3,480	$39.08	$135,998	7,242 Direct	-32.46%	Disposed	-27.9% (price as of 2026-08-18)
Dec. 1, 2009	TDC	A	39,632	—	—	39,632 Direct	—	Acquired	(price as of 2026-08-18)
Dec. 2, 2008	TDC	A	145,631	—	—	145,631 Direct	—	Acquired	(price as of 2026-08-18)
Dec. 2, 2008	TDC	A	153,061	—	—	153,061 Direct	—	Acquired	(price as of 2026-08-18)
Oct. 1, 2007	TDC	A	30,451	—	—	30,451 Direct	—	Acquired	(price as of 2026-08-18)
Oct. 1, 2007	TDC	A	50,752	—	—	50,752 Direct	—	Acquired	(price as of 2026-08-18)
Oct. 1, 2007	TDC	A	10,722	—	—	10,722 Direct	—	Acquired	(price as of 2026-08-18)

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
July 31, 2017	TDC	Employee Stock Option	Common Stock (50,752)	$27.98	Sept. 30, 2017	50,752	Disposed
Dec. 1, 2015	TDC	Employee Stock Options	Common Stock (35,500)	$30.63	Dec. 1, 2025	35,500	Acquired
Dec. 1, 2014	TDC	Employee Stock Options (right to buy)	Common Stock (26,354)	$44.43	Dec. 1, 2024	26,354	Acquired
Dec. 3, 2013	TDC	Employee Stock Options (right to buy)	Common Stock (34,816)	$45.35	Dec. 3, 2023	34,816	Acquired
Dec. 12, 2012	TDC	Employee Stock Options	Common Stock (20,000)	$13.77	Dec. 1, 2018	20,000	Disposed
Nov. 27, 2012	TDC	Employee Stock Option (right to buy)	Common Stock (26,122)	$61.55	Nov. 27, 2022	26,122	Acquired
Aug. 14, 2012	TDC	Employee Stock Options	Common Stock (18,000)	$13.77	Dec. 1, 2018	18,000	Disposed
Aug. 8, 2012	TDC	Employee Stock Options	Common Stock (18,000)	$13.77	Dec. 1, 2018	18,000	Disposed
Aug. 3, 2012	TDC	Employee Stock Options	Common Stock (36,000)	$13.77	Dec. 1, 2018	36,000	Disposed
May 4, 2012	TDC	Employee Stock Options	Common Stock (35,000)	$13.77	Dec. 1, 2018	35,000	Disposed
Feb. 10, 2012	TDC	Employee Stock Option	Common Stock (30,451)	$27.98	Sept. 30, 2017	30,451	Disposed
Nov. 29, 2011	TDC	Employee Stock Option (right to buy)	Common Stock (28,606)	$50.70	Nov. 29, 2021	28,606	Acquired
Nov. 30, 2010	TDC	Employee Stock Option (right to buy)	Common Stock (32,579)	$41.09	Nov. 30, 2020	32,579	Acquired
Dec. 1, 2009	TDC	Employee Stock Option (right to buy)	Common Stock (39,632)	$30.68	Dec. 1, 2019	39,632	Acquired
Dec. 2, 2008	TDC	Employee Stock Option (right to buy) [F1]	Common Stock (145,631)	$13.77	Dec. 2, 2018	145,631	Acquired
Dec. 2, 2008	TDC	Employee Stock Option (right to buy)	Common Stock (153,061)	$13.77	Dec. 2, 2018	153,061	Acquired
Oct. 1, 2007	TDC	Employee Stock Option	Common Stock (30,451)	$27.98	Oct. 1, 2017	30,451	Acquired
Oct. 1, 2007	TDC	Employee Stock Option	Common Stock (50,752)	$27.98	Oct. 1, 2017	50,752	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
Sept. 14, 2007	TDC	No Securities Beneficially Owned	0	Direct

Compensation (DEF 14A)

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

TDC

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2014	$470,000	—	—	—	$148,050	—	$14,602	$1,882,189
2013	$470,000	—	—	—	$176,250	—	$14,250	$1,885,065
2012	$436,047	—	—	—	$426,333	—	$14,455	$4,424,709

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