Kaltura executive sells 28,882 shares under 10b5-1 plan

Kaltura Inc.'s Chief Customer Officer, Israeli Natan, reported an open-market sale of common stock.

Rhea-AI Filing Summary

Kaltura Inc.'s Chief Customer Officer, Israeli Natan, reported an open-market sale of common stock. He sold 28,882 shares of Kaltura common stock on May 13, 2026 at a weighted average price of $1.5132 per share, with individual trades ranging from $1.50 to $1.54.

After this sale, Natan directly holds 2,214,249 Kaltura shares, so the transaction represents a small portion of his overall stake. The filing notes that the sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on December 15, 2025, indicating it was scheduled in advance rather than timed opportunistically.

Insider Trade Summary 10b5-1

Net Seller: 28,882 shares

Net Sell 1 txn

Insider Israeli Natan

Role Chief Customer Officer

Sold 28,882 shs ($44K)

Type	Security	Shares	Price	Value
Sale	Common Stock	28,882	$1.5132	$44K

Holdings After Transaction: Common Stock — 2,214,249 shares (Direct)

Footnotes (2)

1. F1. 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. F2. 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 $1.54, 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: 28,882 shares Average sale price: $1.5132 per share Sale price range: $1.50–$1.54 per share +3 more

6 metrics

Shares sold 28,882 shares Open-market sale on May 13, 2026

Average sale price $1.5132 per share Weighted average price for May 13, 2026 sale

Sale price range $1.50–$1.54 per share Multiple transactions within stated range

Shares held after sale 2,214,249 shares Direct ownership following the May 13, 2026 transaction

Transaction code S (sale) Non-derivative open-market sale of common stock

Trading plan adoption date December 15, 2025 Rule 10b5-1 plan governing the May 13, 2026 sale

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.

FAQ

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

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

Kaltura reported that Chief Customer Officer Israeli Natan sold 28,882 shares of common stock in an open-market transaction. The sale occurred on May 13, 2026 at a weighted average price of $1.5132 per share, with trades between $1.50 and $1.54.

How many Kaltura (KLTR) shares does Israeli Natan hold after this Form 4 sale?

After the reported sale, Israeli Natan holds 2,214,249 Kaltura common shares directly. This shows that the 28,882 shares sold represent only a small fraction of his total position, leaving a substantial ongoing equity stake in the company after the transaction.

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

The weighted average sale price was $1.5132 per share, with individual trades executed between $1.50 and $1.54. The filing notes these were multiple open-market transactions, and full price breakdowns are available from the reporting person upon request.

Was Israeli Natan’s Kaltura (KLTR) share sale under a Rule 10b5-1 plan?

Yes. The filing states the sales were made under a Rule 10b5-1 trading plan adopted by Israeli Natan on December 15, 2025. Such plans pre-schedule trades, indicating the timing of this May 13, 2026 sale was arranged in advance.

Is the Kaltura (KLTR) insider transaction a buy or sell action?

The Form 4 reports a sell transaction. Israeli Natan executed an open-market sale of 28,882 Kaltura common shares, coded as “S” for sale. There were no reported purchases, option exercises, gifts, or tax-withholding entries in this particular filing.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/18/2026 - 07:19 AM 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^*

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)
05/13/2026

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	05/13/2026		S(1)		28,882	D	$1.5132(2)	2,214,249	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 $1.54, 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	05/18/2026
	** 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)