PTC director sells 675 shares in planned trade

PTC Inc. director Corinna Lathan sold 675 shares of common stock in an open‑market transaction at $157.24 per share.

Rhea-AI Filing Summary

PTC Inc. director Corinna Lathan sold 675 shares of common stock in an open‑market transaction at $157.24 per share. The sale took place on March 16, 2026 and was executed under a pre-established Rule 10b5-1(c) trading plan adopted on November 11, 2025.

After this sale, Lathan directly holds 8,429 shares of PTC common stock. Because the trade was made pursuant to a pre-arranged trading plan, the timing reflects a scheduled diversification step rather than a discretionary market-timing decision.

Insights

Equity markets analyst

Small, pre-planned director sale looks routine and low signal.

Director Corinna Lathan sold 675 shares of PTC Inc. common stock at $157.24 per share in an open-market transaction. The filing indicates the trade was executed under a pre-established Rule 10b5-1(c) plan adopted on November 11, 2025.

After the transaction, Lathan directly owns 8,429 shares, so this appears to be a modest portfolio move rather than a major change in exposure. Because 10b5-1 plans automate trades according to preset instructions, the timing of this sale offers limited insight into her short-term view of the stock.

Insider Trade Summary 10b5-1

Net Seller: 675 shares

Net Sell 1 txn

Insider Lathan Corinna

Role Director

Sold 675 shs ($106K)

Type	Security	Shares	Price	Value
Sale	Common Stock	675	$157.24	$106K

Holdings After Transaction: Common Stock — 8,429 shares (Direct)

Footnotes (1)

1. F1. Shares sold pursuant to a pre-established 10b5-1(c) trading plan adopted on November 11, 2025.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did PTC (PTC) director Corinna Lathan report?

Director Corinna Lathan reported selling 675 shares of PTC common stock. The sale was an open-market transaction at $157.24 per share, executed on March 16, 2026, and disclosed in a Form 4 insider trading report.

At what price did PTC (PTC) director Corinna Lathan sell her shares?

Corinna Lathan sold 675 PTC common shares at $157.24 per share. This was an open-market sale executed on March 16, 2026, and reflects the transaction price reported in her Form 4 filing with regulators.

How many PTC (PTC) shares does Corinna Lathan own after the reported sale?

Following the reported transaction, Corinna Lathan directly owns 8,429 shares of PTC common stock. This post-transaction balance is disclosed in the Form 4 and shows she retains a meaningful ongoing equity stake in the company.

Was the PTC (PTC) insider sale by Corinna Lathan made under a 10b5-1 trading plan?

Yes. The filing states the 675-share sale was executed under a pre-established Rule 10b5-1(c) trading plan adopted on November 11, 2025. Such plans automate trades, reducing the significance of transaction timing as a signal of insider sentiment.

What type of Form 4 transaction did PTC (PTC) report for Corinna Lathan?

The Form 4 shows an open-market sale of non-derivative common stock by director Corinna Lathan. She sold 675 shares at $157.24 per share and reported direct ownership of 8,429 shares after the transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/18/2026 - 04:02 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lathan Corinna

(Last) (First) (Middle)

C/O 121 SEAPORT BOULEVARD

(Street)

BOSTON MASSACHUSETTS 02210

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
PTC INC. [ PTC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/16/2026		S		675(1)	D	$157.24	8,429	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares sold pursuant to a pre-established 10b5-1(c) trading plan adopted on November 11, 2025.

	/s/Sean McGrath by power of attorney filed 09/11/2024	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)