Form 4: Fastly CTO Sells 40,000 Shares via 10b5-1 Plan

Fastly's Chief Technology Officer, Artur Bergman, sold 40,000 shares of Class A Common Stock for a weighted average price of $10.23 per share, executed under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Artur Bergman, Fastly, Inc.'s Director, Chief Technology Officer, and 10% Owner, reported a sale of 40,000 shares of Class A Common Stock.
• The transaction occurred on December 29, 2025, and was executed pursuant to a Rule 10b5-1 trading plan adopted on June 3, 2025.
• The shares were sold by The Per Artur Bergman Revocable Trust at a weighted average price of $10.23 per share, with individual sales ranging from $10.13 to $10.30.
• Following the transaction, Artur Bergman directly beneficially owns 2,730,579 shares and indirectly owns an additional 4,449,249 shares through various trusts.

Sentiment

Score: 4

Explanation: The sentiment is slightly negative due to insider selling, but mitigated by the fact it was a pre-planned transaction under a Rule 10b5-1 plan, which reduces concerns about opportunistic selling.

Positives

• The sale was conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a scheduled personal financial management strategy rather than a reaction to recent material non-public information.

Negatives

• Insider selling, even if planned, can sometimes be perceived negatively by the market, potentially signaling a lack of confidence or a desire to diversify holdings.

Risks

• Investor sentiment could be negatively impacted by the sale of a significant number of shares by a key executive, potentially leading to short-term stock price volatility.

Future Outlook

This Form 4 filing reports a past transaction and does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Management Comments

• The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 3, 2025.

Industry Context

This filing is specific to an insider transaction at Fastly, Inc. and does not provide broader industry context or trends. Insider transactions are a common occurrence across all publicly traded companies.

Comparison to Industry Standards

• A Rule 10b5-1 trading plan is a standard and widely used mechanism for corporate insiders to sell company stock in a pre-arranged, compliant manner, mitigating concerns about trading on material non-public information. This practice aligns with common corporate governance standards for managing insider stock transactions.

Related Party Transactions

• The shares were sold by The Per Artur Bergman Revocable Trust, of which the reporting person is settlor, sole trustee, and sole beneficiary. Other indirect holdings are through various trusts where the reporting person serves as investment advisor or trustee.

Stakeholder Impact

• Shareholders may interpret the insider sale as a signal, potentially influencing their perception of the company's near-term prospects or the insider's confidence, despite the 10b5-1 plan.

Next Steps

• The reporting person undertakes to provide full information regarding the number of shares sold at each separate price within the reported ranges upon request to the Issuer, any security holder, or the SEC staff.

Key Dates

Keywords

Fastly, FSLY, Artur Bergman, CTO, Insider Sale, Form 4, 10b5-1 Plan, Stock Transaction