GSI Group Inc

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GSI Group Inc
TickerNOVTU
CIK #0001076930
CUSIP67000B203
SectorManufacturing - Miscellaneous Electrical Machinery, Equipment & Supplies
Address125 Middlesex Turnpike, Bedford, MA 01730
Source [EDGAR]
CIK Filing 2011 - 2026
[0001076930] 10-K
[0001076930] 10-Q
[0001076930] 3
[0001076930] 4
[0001076930] 5
[0001076930] 8-K
[0001076930] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Novanta Inc [2026-04-30] 0.0
Vanguard Portfolio Management LLC Novanta Inc [2026-04-29] 0.0
Price T Rowe Associates Inc /MD/ Novanta Inc [2024-02-14] 5.4
AllianceBernstein LP Novanta Inc [2020-02-18] 5.3
AllianceBernstein LP Novanta Inc [2020-02-18] 5.3
Wells Fargo & Company/MN Novanta Inc [2020-02-04] 4.97
Neuberger Berman Group LLC Novanta Inc [2019-02-13] 5.49
Vanguard Group Inc Novanta Inc [2019-02-11] 8.65
Wells Fargo & Company/MN Novanta Inc [2019-01-22] 5.41
BlackRock Inc Novanta Inc [2018-02-01] 5.8
Price T Rowe Associates Inc /MD/ Novanta Inc [2017-07-10] 11.5
Paradice Investment Management LLC Novanta Inc [2017-02-06] 5.5
Wells Fargo & Company/MN GSI Group Inc [2016-01-29] 7.14
Polar Securities Inc GSI Group Inc [2015-07-17] 5.06
Investment Counselors of Maryland LLC GSI Group Inc [2015-02-10] 4.16
Investment Counselors of Maryland LLC GSI Group Inc [2014-02-12] 5.14
Polar Securities Inc GSI Group Inc [2013-05-24] 5.2
Investment Counselors of Maryland LLC GSI Group Inc [2013-02-07] 5.3
Form 3/4/5 Filer 2011 - 2026
Glastra Matthijs
Novanta Inc
Buckley Robert
Ravetto Charles Guy JR
Burke John Joseph II
Manganiello Alexander
Lesica John
Mauricio Maxine Lum
Carpenter Lonny J
Ladone Mary Kay
Secor Thomas N
Solomon Darlene J S
Wilson Frank Anders
Farrell Matthew
Johnson Robert Matthew
Welsh Michele Davis
Hulit Barbara B
Owen Katherine Ann
Young Brian S
Chang Peter L
Lamel Ira J
King Brian Douglas
Eldracher Deborah DiSanzo
Bershad Stephen W
Romeo Dominic A
Fortino Dennis J
Bosco Harry L
Roush John A
Mulryan Deborah
Bader Jamie B
Clarke David
Heiland K Peter
Davis Eugene I
Pond Byron O
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Buckley Robert
Common Stock
2026-03-16 Option exercise 9,957 $14.13 140,692
Buckley Robert
Common Stock
2026-03-16 Sell 4,719 $116.84 551,368
Buckley Robert
Common Stock
2026-03-16 Sell 1,937 $117.74 228,062
Buckley Robert
Common Stock
2026-03-16 Sell 86 $118.80 10,217
Buckley Robert
Common Stock
2026-03-16 Sell 3,215 $116.02 373,004
Buckley Robert
Stock Option (Right to Buy) · derivative
2026-03-16 Option exercise 9,957 $0.00
Glastra Matthijs
Common Stock
2026-03-02 Sell 74 $134.69 9,967
Glastra Matthijs
Common Stock
2026-03-02 Sell 1,180 $139.50 164,610
Glastra Matthijs
Common Stock
2026-03-02 Sell 1,375 $137.28 188,760
Glastra Matthijs
Common Stock
2026-03-02 Sell 500 $133.77 66,885
Glastra Matthijs
Common Stock
2026-03-02 Sell 940 $138.67 130,350
Glastra Matthijs
Common Stock
2026-03-02 Sell 586 $136.35 79,901
Glastra Matthijs
Common Stock
2026-03-02 Sell 1,796 $140.48 252,302
Glastra Matthijs
Common Stock
2026-03-02 Sell 49 $131.92 6,464
Glastra Matthijs
Common Stock
2026-02-24 Tax withheld 5,247 $137.44 721,148
Glastra Matthijs
Common Stock
2026-02-24 Option exercise 10,852
Buckley Robert
Common Stock
2026-02-24 Tax withheld 2,624 $137.44 360,643
Burke John Joseph II
Restricted Stock Units · derivative
2026-02-24 Option exercise 479
Ravetto Charles Guy JR
Common Stock
2026-02-24 Option exercise 825
Burke John Joseph II
Common Stock
2026-02-24 Option exercise 479
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 36 10,491,504
2025-12-31 41 11,115,277
Form 13F Holdings
Firm Period DFND Voting Shares
Portman Square Capital LLP [2026-06-30] SOLE 210,000 210,000
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