GACKA MARK G

Insider

First SEC filing: Sept. 30, 2005 · Latest: Sept. 30, 2005

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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.

Insider at

NDSN selling Sept. 29, 2005

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 34 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

34 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 30, 2005	NDSN	D	10,250	—	—	14,643 Direct	-41.18%	Disposed	(price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	100	$38.53	$3,853	24,893 Direct	-0.40%	Disposed	1487.2% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	400	$38.50	$15,400	24,993 Direct	-1.58%	Disposed	1488.4% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	200	$38.49	$7,698	25,393 Direct	-0.78%	Disposed	1488.8% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	200	$38.47	$7,694	25,593 Direct	-0.78%	Disposed	1489.7% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	182	$38.45	$6,998	25,793 Direct	-0.70%	Disposed	1490.5% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	2,918	$38.40	$112,051	25,975 Direct	-10.10%	Disposed	1492.6% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	300	$38.34	$11,502	28,893 Direct	-1.03%	Disposed	1495.0% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	100	$38.24	$3,824	29,193 Direct	-0.34%	Disposed	1499.2% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	100	$38.20	$3,820	29,293 Direct	-0.34%	Disposed	1500.9% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	800	$38.15	$30,520	29,393 Direct	-2.65%	Disposed	1503.0% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	200	$38.06	$7,612	30,193 Direct	-0.66%	Disposed	1506.8% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	300	$38.04	$11,412	30,393 Direct	-0.98%	Disposed	1507.6% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	38	$38.01	$1,444	30,693 Direct	-0.12%	Disposed	1508.9% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	862	$38.00	$32,756	30,731 Direct	-2.73%	Disposed	1509.3% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	200	$37.81	$7,562	31,593 Direct	-0.63%	Disposed	1517.4% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	5,834	$37.80	$220,525	31,793 Direct	-15.50%	Disposed	1517.8% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	200	$37.79	$7,558	37,627 Direct	-0.53%	Disposed	1518.3% (price as of 2026-08-18)
Sept. 29, 2005	NDSN	S	200	$37.72	$7,544	37,827 Direct	-0.53%	Disposed	1521.3% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	3,250	—	—	9,750 Direct	-25.00%	Disposed	(price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	6,500	—	—	6,500 Direct	-50.00%	Disposed	(price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	27,000	—	—	9,000 Direct	-75.00%	Disposed	(price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	36,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	7,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	37,000	$35.18	$1,301,660	38,025 Direct	-49.32%	Disposed	1638.3% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	1,000	$35.40	$35,400	75,025 Direct	-1.32%	Disposed	1627.5% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	1,000	$35.45	$35,450	76,025 Direct	-1.30%	Disposed	1625.1% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	1,000	$35.48	$35,480	77,025 Direct	-1.28%	Disposed	1623.6% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	25,000	$35.50	$887,500	78,025 Direct	-24.27%	Disposed	1622.6% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	2,000	$35.58	$71,160	103,025 Direct	-1.90%	Disposed	1618.8% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	10,000	$35.55	$355,500	105,025 Direct	-8.69%	Disposed	1620.2% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	1,000	$35.50	$35,500	115,025 Direct	-0.86%	Disposed	1622.6% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	1,000	$35.60	$35,600	116,025 Direct	-0.85%	Disposed	1617.8% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	500	$35.70	$17,850	117,025 Direct	-0.43%	Disposed	1613.0% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	S	500	$35.75	$17,875	117,525 Direct	-0.42%	Disposed	1610.6% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	3,250	$27.71	$90,058	118,025 Direct	+2.83%	Acquired	2106.9% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	6,500	$27.78	$180,570	114,775 Direct	+6.00%	Acquired	2101.4% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	27,000	$23.07	$622,890	108,275 Direct	+33.22%	Acquired	2550.8% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	36,000	$28.50	$1,026,000	81,275 Direct	+79.51%	Acquired	2045.8% (price as of 2026-08-18)
Sept. 8, 2005	NDSN	M	7,250	$22.16	$160,660	45,275 Direct	+19.07%	Acquired	2659.7% (price as of 2026-08-18)
Sept. 7, 2005	NDSN	M	36,750	—	—	7,250 Direct	-83.52%	Disposed	(price as of 2026-08-18)
Sept. 7, 2005	NDSN	M	30,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
Sept. 7, 2005	NDSN	S	55,950	$36.00	$2,014,200	38,025 Direct	-59.54%	Disposed	1598.7% (price as of 2026-08-18)
Sept. 7, 2005	NDSN	S	10,000	$36.16	$361,600	93,975 Direct	-9.62%	Disposed	1591.2% (price as of 2026-08-18)
Sept. 7, 2005	NDSN	S	800	$36.71	$29,368	103,975 Direct	-0.76%	Disposed	1565.9% (price as of 2026-08-18)
Sept. 7, 2005	NDSN	M	36,750	$22.16	$814,380	104,775 Direct	+54.02%	Acquired	2659.7% (price as of 2026-08-18)
Sept. 7, 2005	NDSN	M	30,000	$22.41	$672,300	68,025 Direct	+78.90%	Acquired	2628.9% (price as of 2026-08-18)
Nov. 9, 2004	NDSN	A	2,750	—	—	38,022 Direct	+7.80%	Acquired	(price as of 2026-08-18)
Nov. 9, 2004	NDSN	A	1	—	—	1 Direct	—	Acquired	(price as of 2026-08-18)
June 8, 2004	NDSN	S	18,800	$40.00	$752,000	35,270 Direct	-34.77%	Disposed	1428.9% (price as of 2026-08-18)
June 8, 2004	NDSN	M	20,000	—	—	30,000 Direct	-40.00%	Disposed	(price as of 2026-08-18)
June 8, 2004	NDSN	P	18,800	$40.00	$752,000	35,270 Direct	-34.77%	Disposed	1428.9% (price as of 2026-08-18)
June 8, 2004	NDSN	S	600	$40.03	$24,018	54,070 Direct	-1.10%	Disposed	1427.7% (price as of 2026-08-18)
June 8, 2004	NDSN	S	400	$40.07	$16,028	54,670 Direct	-0.73%	Disposed	1426.2% (price as of 2026-08-18)
June 8, 2004	NDSN	S	200	$40.08	$8,016	55,070 Direct	-0.36%	Disposed	1425.8% (price as of 2026-08-18)
June 8, 2004	NDSN	M	20,000	$22.41	$448,200	55,270 Direct	+56.71%	Acquired	2628.9% (price as of 2026-08-18)
March 5, 2004	NDSN	M	4,800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
March 5, 2004	NDSN	M	4,800	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
March 5, 2004	NDSN	M	2,600	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
March 5, 2004	NDSN	S	12,200	$38.05	$464,210	35,269 Direct	-25.70%	Disposed	1507.2% (price as of 2026-08-18)
March 5, 2004	NDSN	M	4,800	$24.82	$119,136	47,469 Direct	+11.25%	Acquired	2363.9% (price as of 2026-08-18)
March 5, 2004	NDSN	M	4,800	$27.63	$132,624	42,669 Direct	+12.68%	Acquired	2113.3% (price as of 2026-08-18)
March 5, 2004	NDSN	M	2,600	$28.63	$74,438	37,869 Direct	+7.37%	Acquired	2036.0% (price as of 2026-08-18)
Dec. 15, 2003	NDSN	M	2,200	—	—	2,600 Direct	-45.83%	Disposed	(price as of 2026-08-18)
Dec. 15, 2003	NDSN	M	4,800	—	—	0 Direct	—	Acquired	(price as of 2026-08-18)
Dec. 15, 2003	NDSN	F	6,190	$34.33	$212,503	35,279 Direct	-14.93%	Disposed	1681.4% (price as of 2026-08-18)
Dec. 15, 2003	NDSN	M	2,200	$28.63	$62,986	41,469 Direct	+5.60%	Acquired	2036.0% (price as of 2026-08-18)
Dec. 15, 2003	NDSN	M	4,800	$28.50	$136,800	39,269 Direct	+13.93%	Acquired	2045.8% (price as of 2026-08-18)
Nov. 3, 2003	NDSN	A	1	—	—	1 Direct	—	Acquired	(price as of 2026-08-18)
Nov. 3, 2003	NDSN	A	3,750	—	—	34,458 Direct	+12.21%	Acquired	(price as of 2026-08-18)
Sept. 17, 2003	NDSN	F	4,686	$27.40	$128,396	30,708 Direct	-13.24%	Disposed	2131.9% (price as of 2026-08-18)
Sept. 17, 2003	NDSN	M	4,800	$26.75	$128,400	35,393 Direct	+15.69%	Acquired	2186.1% (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
Sept. 8, 2005	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (3,250)	$27.71	Nov. 3, 2013	3,250	Disposed
Sept. 8, 2005	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (6,500)	$27.78	Dec. 9, 2012	6,500	Disposed
Sept. 8, 2005	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (27,000)	$23.07	Nov. 5, 2011	27,000	Disposed
Sept. 8, 2005	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (36,000)	$28.50	Nov. 6, 2010	36,000	Disposed
Sept. 8, 2005	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (7,250)	$22.16	Nov. 1, 2009	7,250	Disposed
Sept. 7, 2005	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (36,750)	$22.16	Nov. 1, 2009	36,750	Disposed
Sept. 7, 2005	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (30,000)	$22.41	Nov. 2, 2008	30,000	Disposed
Nov. 9, 2004	NDSN	Employee Stock Option (right to buy	COMMON SHARES (9,550)	$37.16	Nov. 9, 2014	1	Acquired
June 8, 2004	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (20,000)	$22.41	Nov. 2, 2008	20,000	Disposed
March 5, 2004	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (4,800)	$24.82	Nov. 3, 2007	4,800	Disposed
March 5, 2004	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (4,800)	$27.63	Nov. 4, 2006	4,800	Disposed
March 5, 2004	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (2,600)	$28.63	Oct. 30, 2005	2,600	Disposed
Dec. 15, 2003	NDSN	Employee Stock Option (right to buy_	COMMON SHARES (2,200)	$28.63	Oct. 30, 2005	2,200	Disposed
Dec. 15, 2003	NDSN	Employee Stock Option (right to buy)	COMMON SHARES (4,800)	—	Oct. 31, 2004	4,800	Acquired
Nov. 3, 2003	NDSN	Employee Stock Option (right to buy)	COMMON SHARES	$27.71	Nov. 3, 2013	1	Acquired

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