Latest SEC filings

Ouster General Counsel and Secretary Megan Chung sold 11,484 shares at $33.96 for $389,993, a pre-arranged 10b5-1 sale that leaves her with 189,291 shares.

• Sale of 11,484 shares at $33.96 on 09/14/2026 totalled $389,993.19, executed under a Rule 10b5-1 pre-arranged plan.
• Chung retains 189,291 shares directly after the transaction; no indirect or derivative holdings are reported.

Chief Operating Officer Darien Spencer sold 12,808 shares of Ouster common stock at $33.96 for $434,953.28 under a pre-arranged 10b5-1 trading plan.

• Sale of 12,808 shares executed at $33.96 per share on 09/14/2026
• Total transaction value of $434,953.28, all direct holdings

President and CEO Charles Angus Pacala sold 30,385 Ouster shares at $33.96 for $1,031,847, a pre-arranged 10b5-1 plan sale that leaves him with 1,041,816 shares directly.

• Sale of 30,385 common shares at $33.96 on 09/14/2026, total transaction value $1,031,847.25
• Transaction was made under a pre-arranged Rule 10b5-1 plan, per the filing

Ouster Chief Revenue Officer Cyrille Jacquemet sold 8,896 shares at $33.96 for $302,093 in an open-market transaction not made under a 10b5-1 plan.

• Sale of 8,896 shares at $33.96, a total of $302,093.04, executed 09/14/2026.
• Transaction was not made under a Rule 10b5-1 trading plan.

Ouster CFO Kenneth P. Gianella sold 15,686 shares at $33.96 for $532,682.44 under a pre-arranged 10b5-1 trading plan, leaving him 245,328 shares.

• Sale executed 09/14/2026 at $33.96 per share, transaction code S (open-market sale)
• Gianella held 245,328 shares directly after the transaction

Ouster Chief Technology Officer Mark Frichtl sold 18,778 shares at $33.96 for $637,691.49 in a pre-arranged 10b5-1 plan trade, leaving him 318,987 shares.

• Sale executed 09/14/2026 at $33.96 per share; Form 4 signed 09/16/2026.
• Frichtl retains 318,987 shares of common stock held directly after the transaction.