[Form 4] Semtech Corp Insider Trading Activity

Rhea-AI Filing Summary

Form 144 filed for Roblox Corporation (NYSE: RBLX) discloses that insider Matthew D. Kaufman intends to sell up to 6,000 common shares on or about 3 July 2025 through Charles Schwab & Co. at an aggregate market value of $615,480. The block equals roughly 0.001 % of Roblox’s 629,990,658 shares outstanding.

The shares derive from equity compensation awards—restricted stock units that vested on 20 May 2023 (4,960 shares) and 20 Aug 2023 (1,040 shares). No cash consideration was paid when the awards vested.

Kaufman has been a frequent seller. During the past three months he executed six transactions totaling 51,021 shares for approximately $4.07 million in gross proceeds (dates: 3 Apr, 5 May, 15 May, 20 May, 5 Jun, 20 Jun 2025).

Under Rule 144, insiders must aggregate sales with other affiliates and certify that they possess no undisclosed material adverse information. The filing is LIVE, indicating an imminent transaction subject to customary Rule 144 volume and manner-of-sale limits.

While the upcoming sale is immaterial to Roblox’s float, ongoing disposals by a corporate insider can be monitored by investors as a potential sentiment signal.

Positive

• None.

Negative

• Repeated insider selling: Kaufman has already liquidated 51,021 shares for about $4.07 million in the last three months and now plans to sell 6,000 more.
• Potential negative sentiment signal: Continuous disposals, despite being a small percentage of the float, may be viewed unfavorably by some investors.

Insights

Securities Analyst

TL;DR: Small block (0.001%)—limited direct impact; worth tracking as part of continued insider selling trend.

The proposed 6,000-share sale represents a de-minimis slice of Roblox’s capital structure and should not, by itself, exert measurable market pressure. However, Kaufman’s cumulative sales of 57,021 shares year-to-date (~$4.69 million including this notice) illustrate a steady liquidation pattern. Although no performance metrics are provided, persistent insider selling sometimes precedes price weakness or reflects portfolio diversification needs. Given Roblox’s large float and daily volume, I view the filing as neutral in isolation but relevant for sentiment tracking.

Corporate Governance Expert

TL;DR: Recurrent insider disposals may raise governance and confidence questions despite minimal dilution.

Rule 144 filings help maintain transparency, yet investors often interpret continuous insider sales as a potential red flag. Kaufman’s six prior transactions within just three months, followed by another planned sale, could be perceived negatively—even though volume limits and certification of no undisclosed adverse information apply. The absence of a disclosed 10b5-1 plan date lessens clarity around whether trades are pre-scheduled. Therefore, I assign a mildly negative governance signal, albeit not materially damaging given the tiny fraction of outstanding shares involved.

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^*

Lin Mark

(Last) (First) (Middle)

200 FLYNN RD.

(Street)

CAMARILLO CA 93012-8790

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SEMTECH CORP [ SMTC ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2025

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

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

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

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	07/01/2025		M		3,164	A	$0	19,742	D
Common Stock	07/01/2025		F		1,532	D	$45.14	18,210	D
Common Stock	07/01/2025		S		587	D	$43.5211(1)	17,623	D
Common Stock	07/01/2025		S		412	D	$44.2839(2)	17,211	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
Restricted Stock Unit	(3)	07/01/2025		M			3,164	(4)	(4)	Common Stock	3,164	$0	15,821	D

Explanation of Responses:

1. The price represents the weighted average of these sales. The prices ranged from $43.11 to $43.95. Price and share details are available upon request.

2. The price represents the weighted average of these sales. The prices ranged from $44.15 to $44.42. Price and share details are available upon request.

3. Each stock unit represents the contingent right to receive one share of Semtech common stock.

4. One third of this grant vested on October 2, 2024 and the remainder of this grant vests in eight quarterly installments beginning on January 2, 2025.

Remarks:

	/s/Mark Lin	07/03/2025
	** 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.

FAQ

How many Roblox (RBLX) shares does Matthew D. Kaufman plan to sell in this Form 144?

6,000 common shares are listed for sale.

What is the estimated market value of the proposed RBLX share sale?

The filing states an aggregate market value of $615,480.

When will the RBLX shares be sold according to the filing?

The approximate sale date is July 3, 2025.

How many Roblox shares has Kaufman sold in the past three months?

He sold 51,021 shares for roughly $4.07 million in gross proceeds.

What percentage of Roblox’s outstanding shares does the planned 6,000-share sale represent?

About 0.001 % of the 629,990,658 shares outstanding.

Which broker will execute the planned Roblox share sale?

The filing lists Charles Schwab & Co., Inc. as the broker.