Kaltura (KLTR) officer sells 9,829 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Kaltura Inc Chief Customer Officer Israeli Natan sold 9,829 shares of common stock in open-market transactions on May 18, 2026 at a weighted average price of $1.5049 per share. The trades were made under a Rule 10b5-1 trading plan adopted on December 15, 2025. Following these sales, he directly owns 2,195,153 shares of Kaltura common stock.

Insider Trade Summary 10b5-1

Net Seller: 9,829 shares ($14,792)

Net Sell 1 txn

Insider Israeli Natan

Role Chief Customer Officer

Sold 9,829 shs ($15K)

Type	Security	Shares	Price	Value
Sale	Common Stock	9,829	$1.5049	$15K

Holdings After Transaction: Common Stock — 2,195,153 shares (Direct, null)

Footnotes (1)

1. The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.50 to $1.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Key Figures

Shares sold: 9,829 shares Weighted average sale price: $1.5049 per share Shares owned after transaction: 2,195,153 shares +2 more

5 metrics

Shares sold 9,829 shares Open-market sale on May 18, 2026

Weighted average sale price $1.5049 per share Common stock sale transactions

Shares owned after transaction 2,195,153 shares Direct holdings following sale

Price range of sales $1.50 to $1.52 per share Multiple transactions within this range

Net shares sold 9,829 shares Net change in position from this Form 4

Key Terms

Rule 10b5-1 trading plan, weighted average price, open-market sale, Form 4

4 terms

Rule 10b5-1 trading plan regulatory

"The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025."

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.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open-market sale financial

"transaction_action": "open-market sale""

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.

Form 4 regulatory

"The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Israeli Natan

(Last) (First) (Middle)

C/O KALTURA, INC.

860 BROADWAY, 3RD FLOOR

(Street)

NEW YORK NEW YORK 10003

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026

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	05/18/2026		S(1)		9,829	D	$1.5049(2)	2,195,153	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. The sales reported on this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.50 to $1.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

	Zvi Maayan, Attorney-in-Fact for Natan Israeli	05/20/2026
	** 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)

FAQ

What insider transaction did Kaltura (KLTR) report for Israeli Natan?

Kaltura reported that Chief Customer Officer Israeli Natan sold 9,829 shares of common stock. The sale occurred on May 18, 2026 in open-market transactions under a pre-arranged Rule 10b5-1 trading plan. He continues to hold a large remaining stake.

At what price did Israeli Natan sell Kaltura (KLTR) shares?

The reported sale used a weighted average price of $1.5049 per Kaltura share. Footnotes explain the shares were sold in multiple trades between $1.50 and $1.52. Detailed trade-by-trade prices are available on request from the company or regulators.

How many Kaltura (KLTR) shares does Israeli Natan hold after this sale?

After the reported sale, Israeli Natan directly owns 2,195,153 Kaltura common shares. This figure includes his remaining direct holdings following the 9,829 shares sold, as disclosed in the Form 4, and shows he retains a substantial ownership position.

Was the Kaltura (KLTR) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states the sales were effectuated under a Rule 10b5-1 trading plan adopted by Israeli Natan on December 15, 2025. Such plans pre-schedule trades, reducing the significance of short-term timing decisions for interpreting insider sentiment.

What does the weighted average price mean in the Kaltura (KLTR) Form 4?

The Form 4 reports a weighted average sale price of $1.5049 per share. Footnotes clarify the shares were sold across multiple trades between $1.50 and $1.52, and the insider will provide exact share counts at each price upon request.