SEC ownership of NOVANTA INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001076930.

Holder evidence

50

Lead holder

VANGUARD PORTFOLIO MANAGEMENT LLC

13D/G signal

VANGUARD PORTFOLIO MANAGEMENT LLC

Latest evidence

31 Mar 2026

Issuer identity
CIK
0001076930
Location
Bedford, MA
Ownership snapshot
Latest large-stake holder
VANGUARD PORTFOLIO MANAGEMENT LLC
Latest evidence date
31 Mar 2026

Ownership snapshot

Top shareholders of NOVANTA INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
VANGUARD PORTFOLIO MANAGE...
13D/G signal
VANGUARD PORTFOLIO MANAGE...
Evidence rows
50
Latest as of
31 Mar 2026
13D/G 13F 3/4/5 Lead comparable stake: 7% 13D/G row: VANGUARD PORTFOLIO MANAGEMENT LLC Showing 1-8 of 50 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G 13F
Vanguard Portfolio Management · Company
7%
$296,251,770
2,508,270 shares
$0 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13D/G 13F
Vanguard Capital Management · Company
5.3%
$222,845,814
1,886,765 shares
$0 31 Mar 2026
PRICE T ROWE ASSOCIATES INC /MD/
13F 13D/G
Company · T. Rowe Price Associates, Inc.
2.7%
from 13D/G
$210,760,000
1,784,424 shares
31 Mar 2026
Charles Guy Ravetto Jr.
3/4/5
Co-Chief Operating Officer
0.05%
$2,329,081
16,116 shares
mixed-class rows
24 Feb 2026
John Joseph Burke II
3/4/5
Chief Accounting Officer
0.02%
$1,290,520
8,900 shares
mixed-class rows
24 Feb 2026
Lonny J. Carpenter
3/4/5
Director
0.02%
$921,316
5,848 shares
mixed-class rows
02 Jan 2026
Allspring Global Investments Holdings, LLC
13F
Company
13F
5%
$210,307,269
1,776,694 shares
31 Mar 2026
Conestoga Capital Advisors, LLC
13F
Company
13F
4%
$171,237,650
1,449,815 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$9,328,275.

Buys
$0
Insiders: 0
Sells
$9,328,275
Insiders: 3
Net
-$9,328,275
Shares: -69,298
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 69,298
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 36,957 $0 $4,887,807 -$4,887,807
3-6 0 32,341 $0 $4,440,468 -$4,440,468
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 22 reporting-owner rows connected to NOVANTA INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
22
Lead holder
Robert Buckley
Net 12M change
-$9,328,275
Latest report
12 May 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Robert Buckley Chief Financial Officer $18,239,505 -$1,562,542 -7.9% Mixed 16 Mar 2026
Matthijs Glastra Chief Executive Officer, Director $16,638,862 -$7,586,460 -31% Mixed 12 May 2026
Brian S. Young Chief Human Resources Officer $6,488,946 Mixed 01 Mar 2024
Peter L. Chang CAO-Corporate Controller $2,762,887 Mixed 26 Feb 2024
Charles Guy Ravetto Jr. Co-Chief Operating Officer $2,329,081 Mixed 24 Feb 2026
John Joseph Burke II Chief Accounting Officer $1,290,520 Mixed 24 Feb 2026
John Lesica Co-Chief Operating Officer $994,712 Mixed 20 Feb 2026
Lonny J. Carpenter Director $921,316 Mixed 02 Jan 2026
Maxine Lum Mauricio Director $766,628 Mixed 02 Jan 2026
Frank Anders Wilson Director $695,115 Mixed 02 Jan 2026
Barbara B. Hulit Director $590,625 Mixed 02 Jan 2025
Michele Davis Welsh General Counsel $502,828 Mixed 20 Feb 2025
Robert M. Johnson Director $480,457 Mixed 02 Jan 2026
Mary Kay Ladone Director $451,186 Mixed 02 Jan 2026
Darlene J. S. Solomon Director $421,343 Mixed 02 Jan 2026
Ira J. Lamel Director $421,266 Mixed 03 Jan 2022
Brian Douglas King Director $421,266 Mixed 03 Jan 2022
Thomas N. Secor Director $383,123 -$179,273 -32% Mixed 02 Jan 2026
Deborah DiSanzo Eldracher Director $339,116 Mixed 03 Jan 2022
Katherine Ann Owen Director $237,834 Mixed 03 Jul 2024

Recent insider transactions for NOVANTA INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Reported value Reported price Shares Shares owned Date Ownership
Matthijs Glastra NOVT Common Stock Sale -14.9% $1,128,244 $150.43 -7,500 42,761 12 May 2026 Direct
Matthijs Glastra NOVT Common Stock Sale -11.4% $852,348 $131.13 -6,500 50,261 05 May 2026 Direct
Matthijs Glastra NOVT Common Stock Sale -10.3% $845,325 $130.05 -6,500 56,761 17 Apr 2026 Direct
Robert Buckley NOVT Common Stock Sale -9.34% $1,162,651 $116.77 -9,957 96,616 16 Mar 2026 Direct
Robert Buckley NOVT Common Stock Options Exercise 10.3% 9,957 106,573 16 Mar 2026 Direct
Robert Buckley NOVT Stock Option (Right to Buy) Options Exercise -100% -9,957 0 16 Mar 2026 Direct
Matthijs Glastra NOVT Common Stock Sale -9.32% $899,239 $138.34 -6,500 63,261 02 Mar 2026 Direct
Charles Guy Ravetto Jr. NOVT Common Stock Tax liability -1.49% -243 16,116 24 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Common Stock Options Exercise 5.31% 825 16,359 24 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Restricted Stock Units Options Exercise -100% -825 0 24 Feb 2026 Direct
John Joseph Burke II NOVT Common Stock Tax liability -1.56% -141 8,900 24 Feb 2026 Direct
John Joseph Burke II NOVT Common Stock Options Exercise 5.59% 479 9,041 24 Feb 2026 Direct
John Joseph Burke II NOVT Restricted Stock Units Options Exercise -100% -479 0 24 Feb 2026 Direct
Robert Buckley NOVT Common Stock Tax liability -2.64% -2,624 96,616 24 Feb 2026 Direct
Robert Buckley NOVT Common Stock Options Exercise 5.78% 5,426 99,240 24 Feb 2026 Direct
Robert Buckley NOVT Performance Stock Units Options Exercise -100% -5,426 0 24 Feb 2026 Direct
Matthijs Glastra NOVT Common Stock Tax liability -7% -5,247 69,761 24 Feb 2026 Direct
Matthijs Glastra NOVT Common Stock Options Exercise 16.9% 10,852 75,008 24 Feb 2026 Direct
Matthijs Glastra NOVT Performance Stock Units Options Exercise -100% -10,852 0 24 Feb 2026 Direct
John Joseph Burke II NOVT Common Stock Tax liability -2.01% -176 8,562 23 Feb 2026 Direct
John Joseph Burke II NOVT Common Stock Options Exercise 6.31% 519 8,738 23 Feb 2026 Direct
John Joseph Burke II NOVT Restricted Stock Units Options Exercise -50% -519 519 23 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Common Stock Tax liability -1.96% -311 15,534 23 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Common Stock Options Exercise 7.16% 1,059 15,845 23 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Restricted Stock Units Options Exercise -50% -1,059 1,059 23 Feb 2026 Direct
John Joseph Burke II NOVT Common Stock Tax liability -2.03% -170 8,219 20 Feb 2026 Direct
John Joseph Burke II NOVT Common Stock Options Exercise 6.2% 490 8,389 20 Feb 2026 Direct
John Joseph Burke II NOVT Restricted Stock Units Options Exercise -33.3% -490 981 20 Feb 2026 Direct
John Joseph Burke II NOVT Restricted Stock Units Award 1,062 1,062 20 Feb 2026 Direct
Robert Buckley NOVT Common Stock Sale -1.49% $200,467 $140.88 -1,423 93,814 20 Feb 2026 Direct
Robert Buckley NOVT Common Stock Tax liability -1.25% -1,185 93,814 20 Feb 2026 Direct
Robert Buckley NOVT Common Stock Options Exercise 4.24% 3,873 95,237 20 Feb 2026 Direct
Robert Buckley NOVT Stock Option (Right to Buy) Options Exercise -12.5% -1,423 9,957 20 Feb 2026 Direct
Robert Buckley NOVT Restricted Stock Units Options Exercise -33.3% -2,450 4,903 20 Feb 2026 Direct
Robert Buckley NOVT Restricted Stock Units Award 11,990 11,990 20 Feb 2026 Direct
Matthijs Glastra NOVT Common Stock Tax liability -3.86% -2,574 64,156 20 Feb 2026 Direct
Matthijs Glastra NOVT Common Stock Options Exercise 8.67% 5,322 66,730 20 Feb 2026 Direct
Matthijs Glastra NOVT Restricted Stock Units Options Exercise -33.3% -5,322 10,645 20 Feb 2026 Direct
Matthijs Glastra NOVT Restricted Stock Units Award 26,035 26,035 20 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Common Stock Tax liability -3.14% -480 14,786 20 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Common Stock Options Exercise 12% 1,633 15,266 20 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Restricted Stock Units Award 7,537 7,537 20 Feb 2026 Direct
Charles Guy Ravetto Jr. NOVT Restricted Stock Units Options Exercise -33.3% -1,633 3,269 20 Feb 2026 Direct
John Lesica NOVT Common Stock Tax liability -18.6% -480 2,096 20 Feb 2026 Direct
John Lesica NOVT Common Stock Options Exercise 173.2% 1,633 2,576 20 Feb 2026 Direct
John Lesica NOVT Restricted Stock Units Options Exercise -33.3% -1,633 3,269 20 Feb 2026 Direct
John Lesica NOVT Restricted Stock Units Award 7,537 7,537 20 Feb 2026 Direct
Alexander Manganiello NOVT Restricted Stock Units Award 4,111 4,111 20 Feb 2026 Direct
Matthijs Glastra NOVT Common Stock Options Exercise 13.6% 7,825 65,192 19 Feb 2026 Direct
Matthijs Glastra NOVT Common Stock Tax liability -5.8% -3,784 61,408 19 Feb 2026 Direct
* indicates a reported price that failed the local validity check.
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