Insulet Corp. passive investor Capital Research Global Investors amended its Schedule 13G to report beneficial ownership of 1,669,556 shares of Common Stock, equal to 2.4% of 70,395,848 shares outstanding as of 03/31/2026. The filing shows sole voting power of 1,664,274 and sole dispositive power of 1,669,556.
Positive
None.
Negative
None.
Insights
Large passive holder reports a modest 2.4% stake in Insulet.
Capital Research Global Investors discloses ownership of 1,669,556 shares, listing sole voting power of 1,664,274. This level is below 5% and is consistent with a passive, institutional stake reported on a Schedule 13G/A.
Implications depend on future filings: changes above 5% or shifts to active ownership would require updated disclosures in public filings.
Filing appears routine and compliant with Schedule 13G/A disclosure rules.
The disclosure identifies the reporting entities, CUSIP 45784P101, and the beneficial owner aggregation. It states the number of shares and voting/dispositive powers, with a signature dated 05/11/2026.
Monitor future amendments for any change to ownership percentage or reporting status that would trigger Schedule 13D obligations.
Key Figures
Beneficially owned:1,669,556 sharesPercent of class:2.4%Shares outstanding:70,395,848 shares+2 more
5 metrics
Beneficially owned1,669,556 sharesreported by Capital Research Global Investors
Percent of class2.4%of 70,395,848 shares outstanding
Shares outstanding70,395,848 sharesstated as believed to be outstanding
Sole voting power1,664,274 sharessole power to vote or direct the vote
Sole dispositive power1,669,556 sharessole power to dispose or direct disposition
Key Terms
Schedule 13G/A, beneficial ownership, sole dispositive power, CUSIP
4 terms
Schedule 13G/Aregulatory
"amendment of Schedule 13G to report passive beneficial ownership"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
beneficial ownershipfinancial
"is deemed to be the beneficial owner of 1,669,556 shares"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
sole dispositive powerregulatory
"Sole power to dispose or to direct the disposition of: 1,669,556"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
CUSIPtechnical
"CUSIP No.: 45784P101 appears on the cover information"
A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 12)
Insulet Corp.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
45784P101
(CUSIP Number)
03/31/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
45784P101
1
Names of Reporting Persons
Capital Research Global Investors
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,664,274.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,669,556.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,669,556.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
2.4 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Insulet Corp.
(b)
Address of issuer's principal executive offices:
100 Nagog Park, Acton, MA 01720, United States of America
Item 2.
(a)
Name of person filing:
Capital Research Global Investors
(b)
Address or principal business office or, if none, residence:
333 South Hope Street, 55th Fl, Los Angeles, CA 90071
(c)
Citizenship:
N/A
(d)
Title of class of securities:
Common Stock
(e)
CUSIP No.:
45784P101
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
1,669,556 **
**Capital Research Global Investors ("CRGI") is a division of Capital Research and Management Company ("CRMC"), as well as its investment management subsidiaries and affiliates Capital Bank and Trust Company, Capital International, Inc., Capital International Limited, Capital International Sarl, Capital International K.K., Capital Group Private Client Services, Inc., and Capital Group Investment Management Private Limited (together with CRMC, the "investment management entities"). CRGI's divisions of each of the investment management entities collectively provide investment management services under the name "Capital Research Global Investors." CRGI is deemed to be the beneficial owner of 1,669,556 shares or 2.4% of the 70,395,848 shares believed to be outstanding.
(b)
Percent of class:
2.4 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
1,664,274
(ii) Shared power to vote or to direct the vote:
0
(iii) Sole power to dispose or to direct the disposition of:
1,669,556
(iv) Shared power to dispose or to direct the disposition of:
0
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Capital Research Global Investors
Signature:
Jae Won Chung
Name/Title:
Vice President and Senior Counsel II, Capital Research and Management Company
What stake does Capital Research Global Investors report in Insulet (PODD)?
Capital Research Global Investors reports beneficial ownership of 1,669,556 shares, representing 2.4% of Insulet's common stock. The filing lists sole voting power of 1,664,274 and sole dispositive power of 1,669,556.
Is this a passive Schedule 13G/A filing or an active Schedule 13D?
This is an amended Schedule 13G (13G/A) filing, which indicates a passive institutional reporting status rather than an active Schedule 13D control position under SEC rules.
How many Insulet shares are outstanding according to the filing?
The filing states there are 70,395,848 shares believed to be outstanding. Capital Research's 1,669,556 shares are reported as 2.4% of that outstanding total.
Who signed the Schedule 13G/A for Capital Research Global Investors?
Jae Won Chung, Vice President and Senior Counsel II at Capital Research and Management Company, signed the amendment with a signature date of 05/11/2026.
