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  4. [Form 4] IPG PHOTONICS CORP Insider Trading Activity

Director Agnes Tang sells IPG Photonics (NASDAQ: IPGP) shares under 10b5-1 plan

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

IPG Photonics Corp director Agnes Tang reported open-market sales of 1,511 shares of common stock on June 22, 2026, in multiple transactions under a pre-arranged Rule 10b5-1 trading plan.

The shares were sold at weighted average prices of $117.32, $118.08, and $119.32 per share across price ranges detailed in the filing. Following these sales, Tang directly holds 9,588 shares of IPG Photonics common stock.

Positive

  • None.

Negative

  • None.

Insights

Routine pre-planned director sale of 1,511 IPG Photonics shares.

Director Agnes Tang executed open-market sales totaling 1,511 shares of IPG Photonics common stock at prices around the high-$110s per share. The filing states these transactions were carried out under a Rule 10b5-1 trading plan adopted in August 2025, indicating they were pre-scheduled.

After the sales, Tang directly holds 9,588 shares, and the filing shows no remaining derivative positions. The net-sell amount is modest relative to typical director holdings, and the pre-planned nature suggests these trades are part of routine liquidity or diversification rather than a discretionary timing decision.

Insider Agnes Tang
Role null
Sold 1,511 shs ($178K)
Type Security Shares Price Value
Sale Common Stock 775 $117.32 $91K
Sale Common Stock 536 $118.08 $63K
Sale Common Stock 200 $119.32 $24K
Holdings After Transaction: Common Stock — 10,324 shares (Direct, null)
Footnotes (1)
  1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 26, 2025. The reported transaction involves sale transactions ranging from $116.86 to $117.85 per share. The weighted average price per share was $117.32. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. The reported transaction involves sale transactions ranging from $117.88 to $118.32 per share. The weighted average price per share was $118.08. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. The reported transaction involves sale transactions ranging from $119.16 to $119.48 per share. The weighted average price per share was $119.32. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price.
Total shares sold 1,511 shares Net open-market sales on June 22, 2026
Shares owned after 9,588 shares Direct common stock holdings following transactions
Sale block 1 price $117.32 per share Weighted average price for 775-share sale block
Sale block 2 price $118.08 per share Weighted average price for 536-share sale block
Sale block 3 price $119.32 per share Weighted average price for 200-share sale block
Net buy/sell direction Net sell of 1,511 shares transactionSummary netBuySellShares and netBuySellDirection
Rule 10b5-1 trading plan regulatory
"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
open-market sale financial
"transaction_action: "open-market sale" for each non-derivative common stock transaction"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
weighted average price per share financial
"The reported transaction involves sale transactions ranging from $116.86 to $117.85 per share. The weighted average price per share was $117.32."
non-derivative financial
"transaction_type: "non-derivative" for each common stock sale entry"
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
Agnes Tang
(Last)(First)(Middle)
C/O IPG PHOTONICS CORPORATION
377 SIMARANO DRIVE
(Street)
MARLBOROUGH MASSACHUSETTS 01752
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
IPG PHOTONICS CORP [ IPGP ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/22/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/22/2026S775D(1)$117.32(2)10,324D
Common Stock06/22/2026S536D(1)$118.08(3)9,788D
Common Stock06/22/2026S200D(1)$119.32(4)9,588D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 26, 2025.
2. The reported transaction involves sale transactions ranging from $116.86 to $117.85 per share. The weighted average price per share was $117.32. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price.
3. The reported transaction involves sale transactions ranging from $117.88 to $118.32 per share. The weighted average price per share was $118.08. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price.
4. The reported transaction involves sale transactions ranging from $119.16 to $119.48 per share. The weighted average price per share was $119.32. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price.
Remarks:
/s/ Adam N. King, Attorney-in-Fact06/23/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

How many IPG Photonics (IPGP) shares did Agnes Tang sell in this Form 4?

Agnes Tang sold a total of 1,511 shares of IPG Photonics common stock. The filing shows three open-market sale transactions on June 22, 2026, with share amounts of 200, 536, and 775, adding up to the reported total net sell volume.

At what prices did Agnes Tang sell IPGP shares according to the Form 4?

The reported sales occurred at weighted average prices of $117.32, $118.08, and $119.32 per share. Each line represents multiple trades within specified ranges, and the reporting person offers to provide exact breakdowns upon request to regulators or shareholders.

Does the IPGP Form 4 show Agnes Tang using a Rule 10b5-1 trading plan?

Yes. The footnotes state the sales were effected under a Rule 10b5-1 trading plan adopted on August 26, 2025. Such plans pre-schedule trades, indicating these transactions followed a predetermined program rather than being timed discretionarily by the director.

How many IPG Photonics shares does Agnes Tang own after these reported sales?

Following the reported transactions, Agnes Tang directly holds 9,588 shares of IPG Photonics common stock. This post-transaction balance, disclosed in the Form 4, provides context for the scale of the 1,511 shares sold on June 22, 2026.

Were any options or other derivatives involved in Agnes Tang’s IPGP Form 4 filing?

No derivative transactions are reported in this Form 4. All three entries involve non-derivative common stock sales, and the derivative summary section is empty, indicating there are no option exercises or other derivative events disclosed in this particular filing.

What type of transactions are reported in this IPGP Form 4 for Agnes Tang?

The filing reports three open-market sale transactions in IPG Photonics common stock, all coded as “S.” Each is classified as non-derivative, with direct ownership, and together they represent a net sale of 1,511 shares by the reporting director.