Michael A Tyll

Insider

First SEC filing: March 24, 2010 · Latest: March 24, 2010

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

SWK selling May 15, 2013

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 31 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

31 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 21, 2014	SWK	A	950	—	—	55,257 Direct	+1.75%	Acquired	(price as of 2026-08-20)
Dec. 9, 2013	SWK	D	406	$80.77	$32,793	54,307 Direct	-0.74%	Disposed	22.1% (price as of 2026-08-20)
Dec. 8, 2013	SWK	D	406	$80.96	$32,870	54,713 Direct	-0.74%	Disposed	21.8% (price as of 2026-08-20)
Dec. 6, 2013	SWK	D	406	$80.96	$32,870	55,119 Direct	-0.73%	Disposed	21.8% (price as of 2026-08-20)
Dec. 5, 2013	SWK	A	10,000	$79.70	$797,000	10,000 Direct	—	Acquired	23.7% (price as of 2026-08-20)
Dec. 5, 2013	SWK	A	2,857	—	—	55,525 Direct	+5.42%	Acquired	(price as of 2026-08-20)
July 25, 2013	SWK	A	1,759	$82.00	$144,238	52,668 Direct	+3.46%	Acquired	20.2% (price as of 2026-08-20)
May 15, 2013	SWK	M	22,950	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 15, 2013	SWK	M	15,300	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 15, 2013	SWK	M	2,677	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 15, 2013	SWK	M	2,008	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 15, 2013	SWK	S	22,950	$80.35	$1,844,032	50,909 Direct	-31.07%	Disposed	22.7% (price as of 2026-08-20)
May 15, 2013	SWK	M	22,950	$69.31	$1,590,664	73,859 Direct	+45.08%	Acquired	42.3% (price as of 2026-08-20)
May 15, 2013	SWK	S	15,300	$80.35	$1,229,355	50,909 Direct	-23.11%	Disposed	22.7% (price as of 2026-08-20)
May 15, 2013	SWK	M	15,300	$72.44	$1,108,332	66,209 Direct	+30.05%	Acquired	36.1% (price as of 2026-08-20)
May 15, 2013	SWK	S	2,677	$80.35	$215,097	50,909 Direct	-5.00%	Disposed	22.7% (price as of 2026-08-20)
May 15, 2013	SWK	M	2,677	$64.52	$172,720	53,586 Direct	+5.26%	Acquired	52.8% (price as of 2026-08-20)
May 15, 2013	SWK	S	2,008	$80.35	$161,343	50,909 Direct	-3.79%	Disposed	22.7% (price as of 2026-08-20)
May 15, 2013	SWK	M	2,008	$47.21	$94,798	52,917 Direct	+3.94%	Acquired	108.9% (price as of 2026-08-20)
May 3, 2013	SWK	D	5,404	$76.86	$415,351	50,909 Direct	-9.60%	Disposed	28.3% (price as of 2026-08-20)
Feb. 25, 2013	SWK	A	3,072	—	—	56,313 Direct	+5.77%	Acquired	(price as of 2026-08-20)
Dec. 30, 2012	SWK	D	3,682	$72.48	$266,871	53,241 Direct	-6.47%	Disposed	36.0% (price as of 2026-08-20)
Dec. 9, 2012	SWK	D	277	$71.22	$19,728	56,923 Direct	-0.48%	Disposed	38.4% (price as of 2026-08-20)
Dec. 8, 2012	SWK	D	277	$71.22	$19,728	57,200 Direct	-0.48%	Disposed	38.4% (price as of 2026-08-20)
Dec. 6, 2012	SWK	A	10,000	$70.61	$706,100	10,000 Direct	—	Acquired	39.6% (price as of 2026-08-20)
Dec. 6, 2012	SWK	A	3,333	—	—	57,477 Direct	+6.16%	Acquired	(price as of 2026-08-20)
Dec. 9, 2011	SWK	D	277	$64.16	$17,772	54,144 Direct	-0.51%	Disposed	53.7% (price as of 2026-08-20)
Dec. 8, 2011	SWK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 8, 2011	SWK	A	3,333	—	—	54,421 Direct	+6.52%	Acquired	(price as of 2026-08-20)
March 8, 2011	SWK	D	12	—	—	5,059 Direct	-0.24%	Disposed	(price as of 2026-08-20)
March 4, 2011	SWK	M	22,950	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 4, 2011	SWK	S	22,950	$76.25	$1,749,938	51,088 Direct	-31.00%	Disposed	29.3% (price as of 2026-08-20)
March 4, 2011	SWK	M	22,950	$53.37	$1,224,842	74,038 Direct	+44.92%	Acquired	84.7% (price as of 2026-08-20)
Dec. 9, 2010	SWK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 9, 2010	SWK	A	3,333	—	—	51,088 Direct	+6.98%	Acquired	(price as of 2026-08-20)
April 20, 2010	SWK	A	22,213	—	—	47,755 Direct	+86.97%	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
Dec. 5, 2013	SWK	Stock Option (Right to Buy)	Common Stock (10,000)	$79.70	Dec. 5, 2023	10,000	Acquired
May 15, 2013	SWK	Stock Option (Right to Buy)	Common Stock (22,950)	$69.31	April 17, 2017	22,950	Disposed
May 15, 2013	SWK	Stock Option (Right to Buy)	Common Stock (15,300)	$72.44	April 18, 2016	15,300	Disposed
May 15, 2013	SWK	Stock Option (Right to Buy)	Common Stock (2,677)	$64.52	April 24, 2015	2,677	Disposed
May 15, 2013	SWK	Stock Option (Right to Buy)	Common Stock (2,008)	$47.21	April 25, 2014	2,008	Disposed
Dec. 6, 2012	SWK	Stock Option (Right to Buy)	Common Stock (10,000)	$70.61	Dec. 6, 2022	10,000	Acquired
Dec. 8, 2011	SWK	Stock Option (Right to Buy)	Common Stock (10,000)	$64.78	Dec. 8, 2021	10,000	Acquired
March 8, 2011	SWK	Interest In Employer Stock Fund (401(k) Plan) [F3,F4]	Common Stock (0)	—	—	12	Disposed
March 4, 2011	SWK	Stock Option (Right to Buy)	Common Stock (22,950)	$53.37	April 15, 2018	22,950	Disposed
Dec. 9, 2010	SWK	Stock Option (Right to Buy)	Common Stock (10,000)	$63.72	Dec. 9, 2020	10,000	Acquired

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

Initial ownership (Form 3) 9 holdings

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

Date	Ticker	Security	Shares	Ownership
March 24, 2010	SWK	Common Stock	25,542	Indirect
March 24, 2010	SWK	Common Stock	4,847	Indirect
March 22, 2010	SWK	Common Stock	30,389	Direct
March 22, 2010	SWK	Stock Option (Right to Buy)→ Common Stock (2,008)	2,008	Direct
March 22, 2010	SWK	Stock Option (Right to Buy)→ Common Stock (2,677)	2,677	Direct
March 22, 2010	SWK	Stock Option (Right to Buy)→ Common Stock (15,300)	15,300	Direct
March 22, 2010	SWK	Stock Option (Right to Buy)→ Common Stock (22,950)	22,950	Direct
March 22, 2010	SWK	Stock Option (Right to Buy)→ Common Stock (22,950)	22,950	Direct
March 22, 2010	SWK	Stock Option (Right to Buy)→ Common Stock (37,485)	37,485	Direct