Michael C Child

CIK 1262095 · View on SEC EDGAR ↗

Insider

First SEC filing: Dec. 12, 2006 · Latest: Dec. 12, 2006

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

IPGP selling May 9, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 65 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

65 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 18, 2024	IPGP	A	3,022	—	—	68,625 Direct	+4.61%	Acquired	(price as of 2026-08-20)
May 30, 2024	IPGP	M	6,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 30, 2024	IPGP	M	6,500	$63.40	$412,100	65,603 Direct	+11.00%	Acquired	19.2% (price as of 2026-08-20)
May 23, 2023	IPGP	A	2,188	—	—	59,103 Direct	+3.84%	Acquired	(price as of 2026-08-20)
May 24, 2022	IPGP	A	2,631	—	—	56,915 Direct	+4.85%	Acquired	(price as of 2026-08-20)
Nov. 16, 2021	IPGP	M	6,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 16, 2021	IPGP	M	6,667	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 16, 2021	IPGP	M	6,500	$60.00	$390,000	54,284 Direct	+13.60%	Acquired	25.9% (price as of 2026-08-20)
Nov. 16, 2021	IPGP	M	6,667	$42.43	$282,881	47,784 Direct	+16.21%	Acquired	78.1% (price as of 2026-08-20)
May 25, 2021	IPGP	A	1,201	—	—	41,117 Direct	+3.01%	Acquired	(price as of 2026-08-20)
May 20, 2021	IPGP	M	6,667	$75.15	$501,025	39,916 Direct	+20.05%	Acquired	0.5% (price as of 2026-08-20)
May 20, 2021	IPGP	M	6,667	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 19, 2020	IPGP	G	3,390	—	—	33,249 Direct	-9.25%	Disposed	(price as of 2026-08-20)
May 28, 2020	IPGP	A	1,642	—	—	36,639 Direct	+4.69%	Acquired	(price as of 2026-08-20)
May 19, 2020	IPGP	M	6,667	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 19, 2020	IPGP	M	6,667	$15.36	$102,405	34,997 Direct	+23.53%	Acquired	391.9% (price as of 2026-08-20)
Dec. 11, 2019	IPGP	G	2,100	—	—	28,330 Direct	-6.90%	Disposed	(price as of 2026-08-20)
May 30, 2019	IPGP	A	1,869	—	—	1,869 Direct	—	Acquired	(price as of 2026-08-20)
May 30, 2019	IPGP	A	1,297	—	—	30,430 Direct	+4.45%	Acquired	(price as of 2026-08-20)
March 6, 2019	IPGP	M	6,667	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 6, 2019	IPGP	M	6,667	$11.07	$73,804	29,133 Direct	+29.68%	Acquired	582.5% (price as of 2026-08-20)
June 5, 2018	IPGP	A	1,113	—	—	1,113 Direct	—	Acquired	(price as of 2026-08-20)
June 5, 2018	IPGP	A	650	$256.25	$166,562	22,466 Direct	+2.98%	Acquired	-70.5% (price as of 2026-08-20)
May 2, 2018	IPGP	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 2, 2018	IPGP	M	5,000	$18.41	$92,050	21,816 Direct	+29.73%	Acquired	310.4% (price as of 2026-08-20)
Nov. 20, 2017	IPGP	G	4,100	—	—	16,816 Direct	-19.60%	Disposed	(price as of 2026-08-20)
June 6, 2017	IPGP	M	3,333	$20.32	$67,727	0 Direct	-100.00%	Disposed	271.8% (price as of 2026-08-20)
June 6, 2017	IPGP	M	3,333	$20.32	$67,727	20,916 Direct	+18.96%	Acquired	271.8% (price as of 2026-08-20)
June 1, 2017	IPGP	A	2,339	—	—	2,339 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2017	IPGP	A	1,185	—	—	17,583 Direct	+7.23%	Acquired	(price as of 2026-08-20)
June 1, 2016	IPGP	A	3,002	—	—	3,002 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2016	IPGP	A	1,896	—	—	16,398 Direct	+13.07%	Acquired	(price as of 2026-08-20)
March 9, 2016	IPGP	M	1,667	$6.45	$10,752	0 Direct	-100.00%	Disposed	1071.3% (price as of 2026-08-20)
March 9, 2016	IPGP	M	1,667	$6.45	$10,752	14,502 Direct	+12.99%	Acquired	1071.3% (price as of 2026-08-20)
June 2, 2015	IPGP	A	2,255	—	—	2,255 Direct	—	Acquired	(price as of 2026-08-20)
June 2, 2015	IPGP	A	2,134	—	—	2,134 Direct	—	Acquired	(price as of 2026-08-20)
June 2, 2015	IPGP	A	1,723	—	—	12,835 Direct	+15.51%	Acquired	(price as of 2026-08-20)
June 3, 2014	IPGP	A	6,500	—	—	6,500 Direct	—	Acquired	(price as of 2026-08-20)
June 3, 2014	IPGP	A	1,100	—	—	11,112 Direct	+10.99%	Acquired	(price as of 2026-08-20)
June 4, 2013	IPGP	A	6,500	—	—	6,500 Direct	—	Acquired	(price as of 2026-08-20)
June 4, 2013	IPGP	A	1,100	—	—	10,012 Direct	+12.34%	Acquired	(price as of 2026-08-20)
June 5, 2012	IPGP	A	1,000	—	—	8,912 Direct	+12.64%	Acquired	(price as of 2026-08-20)
June 5, 2012	IPGP	A	6,667	—	—	6,667 Direct	—	Acquired	(price as of 2026-08-20)
May 9, 2012	IPGP	S	89	$48.53	$4,319	8,912 Direct	-0.99%	Disposed	55.7% (price as of 2026-08-20)
March 7, 2012	IPGP	P	89	$56.50	$5,028	9,001 Direct	+1.00%	Acquired	33.7% (price as of 2026-08-20)
May 31, 2011	IPGP	A	6,667	—	—	6,667 Direct	—	Acquired	(price as of 2026-08-20)
May 31, 2011	IPGP	A	1,000	—	—	7,912 Direct	+14.47%	Acquired	(price as of 2026-08-20)
Dec. 7, 2010	IPGP	M	1,667	—	—	5,000 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Dec. 7, 2010	IPGP	M	3,334	—	—	3,333 Direct	-50.01%	Disposed	(price as of 2026-08-20)
Dec. 7, 2010	IPGP	M	5,000	—	—	1,667 Direct	-75.00%	Disposed	(price as of 2026-08-20)
Dec. 7, 2010	IPGP	S	10,001	$31.21	$312,131	6,912 Direct	-59.13%	Disposed	142.1% (price as of 2026-08-20)
Dec. 7, 2010	IPGP	M	1,667	$18.41	$30,689	16,913 Direct	+10.93%	Acquired	310.4% (price as of 2026-08-20)
Dec. 7, 2010	IPGP	M	3,334	$20.32	$67,747	15,246 Direct	+27.99%	Acquired	271.8% (price as of 2026-08-20)
Dec. 7, 2010	IPGP	M	5,000	$6.45	$32,250	11,912 Direct	+72.34%	Acquired	1071.3% (price as of 2026-08-20)
June 8, 2010	IPGP	A	6,667	—	—	33,335 Direct	+25.00%	Acquired	(price as of 2026-08-20)
June 8, 2010	IPGP	A	1,000	—	—	6,912 Direct	+16.91%	Acquired	(price as of 2026-08-20)
Nov. 11, 2009	IPGP	S	53,334	$15.88	$846,944	5,912 Direct	-90.02%	Disposed	375.8% (price as of 2026-08-20)
Nov. 11, 2009	IPGP	M	20,000	$1.50	$30,000	59,246 Direct	+50.96%	Acquired	4936.7% (price as of 2026-08-20)
Nov. 11, 2009	IPGP	M	33,334	$1.50	$50,001	39,246 Direct	+563.84%	Acquired	4936.7% (price as of 2026-08-20)
Nov. 10, 2009	IPGP	S	33,334	$15.70	$523,344	5,912 Direct	-84.94%	Disposed	381.2% (price as of 2026-08-20)
Nov. 10, 2009	IPGP	M	33,334	$1.50	$50,001	39,246 Direct	+563.84%	Acquired	4936.7% (price as of 2026-08-20)
June 9, 2009	IPGP	A	1,000	—	—	5,912 Direct	+20.36%	Acquired	(price as of 2026-08-20)
June 9, 2009	IPGP	A	6,667	—	—	113,336 Direct	-5.56%	Disposed	(price as of 2026-08-20)
Sept. 16, 2008	IPGP	J	4,912	—	—	4,912 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 16, 2008	IPGP	J	4,912	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 8, 2008	IPGP	S	212	$20.60	$4,367	4,912 Indirect	-4.14%	Disposed	266.7% (price as of 2026-08-20)
Sept. 4, 2008	IPGP	S	27	$20.46	$552	5,124 Indirect	-0.52%	Disposed	269.3% (price as of 2026-08-20)
Sept. 3, 2008	IPGP	S	1,885	$20.72	$39,057	5,151 Indirect	-26.79%	Disposed	264.6% (price as of 2026-08-20)
Sept. 2, 2008	IPGP	S	1,764	$20.65	$36,427	7,036 Indirect	-20.05%	Disposed	265.9% (price as of 2026-08-20)
June 10, 2008	IPGP	A	6,667	—	—	106,669 Direct	+6.67%	Acquired	(price as of 2026-08-20)
June 12, 2007	IPGP	A	6,667	—	—	100,002 Direct	+7.14%	Acquired	(price as of 2026-08-20)
Dec. 18, 2006	IPGP	D	None	—	—	0 Indirect	—	Disposed	(price as of 2026-08-20)
Dec. 18, 2006	IPGP	C	30,160	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 18, 2006	IPGP	C	57,564	—	—	57,564 Indirect	—	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
May 30, 2024	IPGP	Director Stock Option (right to buy)	Common Stock (6,500)	$63.40	June 2, 2024	6,500	Disposed
Nov. 16, 2021	IPGP	Director Stock Options (Right to buy)	Common Stock (6,500)	$60.00	June 3, 2023	6,500	Disposed
Nov. 16, 2021	IPGP	Director Stock Options (Right to buy)	Common Stock (6,667)	$42.43	June 4, 2022	6,667	Disposed
May 20, 2021	IPGP	Director Stock Options (Right to buy)	Common Stock (6,667)	$75.15	May 30, 2021	6,667	Disposed
May 19, 2020	IPGP	Director Stock Options (Right to buy)	Common Stock (6,667)	$15.36	June 7, 2020	6,667	Disposed
May 30, 2019	IPGP	Director Stock Option (right to buy)	Common Stock (1,869)	$128.46	May 29, 2029	1,869	Acquired
March 6, 2019	IPGP	Director Stock Options (Right to buy)	Common Stock (6,667)	$11.07	June 8, 2019	6,667	Disposed
June 5, 2018	IPGP	Director Stock Option (right to buy)	Common Stock (1,113)	$256.25	June 4, 2028	1,113	Acquired
May 2, 2018	IPGP	Director Stock Options (Right to buy)	Common Stock (5,000)	$18.41	June 9, 2018	5,000	Disposed
June 6, 2017	IPGP	Director Stock Options (Right to buy)	Common Stock (3,333)	$20.32	June 11, 2017	3,333	Disposed
June 1, 2017	IPGP	Director Stock Options (Right to buy)	Common Stock (2,339)	$140.64	May 31, 2028	2,339	Acquired
June 1, 2016	IPGP	Director Stock Option (right to buy)	Common Stock (3,002)	$87.87	May 31, 2026	3,002	Acquired
March 9, 2016	IPGP	Director Stock Options (Right to buy)	Common Stock (1,667)	$6.45	June 21, 2016	1,667	Disposed
June 2, 2015	IPGP	Director Stock Options (Right to buy)	Common Stock (2,255)	$96.68	June 1, 2025	2,255	Acquired
June 2, 2015	IPGP	Director Stock Options (Right to buy)	Common Stock (2,134)	$96.68	June 1, 2025	2,134	Acquired
June 3, 2014	IPGP	Director Stock Option (right to buy)	Common Stock (6,500)	$63.40	June 2, 2024	6,500	Acquired
June 4, 2013	IPGP	Director Stock Options (right to buy)	Common Stock (6,500)	$60.00	June 3, 2023	6,500	Acquired
June 5, 2012	IPGP	Director Stock Options (right to buy)	Common Stock (6,667)	$42.43	June 4, 2022	6,667	Acquired
May 31, 2011	IPGP	Stock Options (right to buy)	Common Stock (6,667)	$75.15	May 30, 2021	6,667	Acquired
Dec. 7, 2010	IPGP	Stock Options (right to buy)	Common Stock (1,667)	$18.41	June 9, 2018	1,667	Disposed
Dec. 7, 2010	IPGP	Stock Options (right to buy)	Common Stock (3,334)	$20.32	June 11, 2017	3,334	Disposed
Dec. 7, 2010	IPGP	Stock Options (right to buy)	Common Stock (5,000)	$6.45	June 21, 2016	5,000	Disposed
June 8, 2010	IPGP	Stock Options (right to buy)	Common Stock (6,667)	$15.36	June 7, 2020	6,667	Acquired
June 9, 2009	IPGP	Stock Options (right to buy)	Common Stock (6,667)	$11.07	June 8, 2019	6,667	Disposed
June 10, 2008	IPGP	Stock Options (right to buy)	Common Stock (6,667)	$18.41	June 9, 2018	6,667	Acquired
June 12, 2007	IPGP	Stock Options (right to buy)	Common Stock (6,667)	$20.32	June 11, 2017	6,667	Acquired
Dec. 18, 2006	IPGP	Series B Warrants	Common Stock	—	April 1, 2008	—	Disposed
Dec. 18, 2006	IPGP	Series B Preferred Stock	Common Stock (57,564)	—	—	30,160	Disposed

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

Initial ownership (Form 3) 6 holdings

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

Date	Ticker	Security	Shares	Ownership
Dec. 12, 2006	IPGP	Stock Options (right to buy)→ Common Stock (33,334)	33,334	Direct
Dec. 12, 2006	IPGP	Stock Options (right to buy)→ Common Stock (33,334)	33,334	Direct
Dec. 12, 2006	IPGP	Stock Options (right to buy)→ Common Stock (20,000)	20,000	Direct
Dec. 12, 2006	IPGP	Stock Options (right to buy)→ Common Stock (6,667)	6,667	Direct
Dec. 12, 2006	IPGP	Series B Preferred Stock→ Common Stock (22,291)	22,291	Indirect
Dec. 12, 2006	IPGP	Series B Warrants→ Common Stock	—	Indirect