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Frichtl Mark

Disclosed activity across 1 company

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10234
SEC CIK
0001847596

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Ouster, Inc.OUST · Entity 4380Chief Technology OfficerSeptember 14, 2026September 16, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Ouster, Inc.

Report date September 14, 2026 · Filed September 16, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect318,987 Reported balance After 2026-09-14 transaction · row 1
1 source row

Row 1 · 2026-09-14 · Sale · Disposed 18,778 · Balance 318,987

F1: Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale to cover instruction letter dated June 9, 2025.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.7168 to $33.9661. The Reporting Person undertakes to provide 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.

Filing footnotes · ownership attribution and instrument terms

F1: Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale to cover instruction letter dated June 9, 2025.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.7168 to $33.9661. The Reporting Person undertakes to provide 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 14, 2026 Filed Sep 16, 2026 22:51 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 18,778 $33.96 $637,691.49
Disclosure

SEC source: 0001193125-26-393368 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 318,987

F1 · shares: Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale to cover instruction letter dated June 9, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.7168 to $33.9661. The Reporting Person undertakes to provide 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.

Read SEC document
September 02, 2026 Filed Sep 4, 2026 22:00 UTC Ouster, Inc. OUST · Entity 4380 GiftCommon Stock 38,745 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-383876 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 337,765

Read SEC document
August 26, 2026 Filed Aug 28, 2026 18:43 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionIncentive Stock Option · Derivative 100,000 $0.00 Strike: $14.22 $0.00
Disclosure

SEC source: 0001193125-26-374910 · ownership.xml · derivative · entry 2

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,713

Underlying: Common Stock · 100,000 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: On the Reporting Person's Form 4 dated March 15, 2021 in which this option grant was reported, incentive stock options and non-qualified stock options were reported in the aggregate. All non-qualified stock options have since been exercised, with 100,713 incentive stock options remaining.

F2 · derivative.exercise_date: The options are fully vested and exercisable.

F3 · balance_after: On the Reporting Person's Form 4 dated March 15, 2021 in which this option grant was reported, incentive stock options and non-qualified stock options were reported in the aggregate. All non-qualified stock options have since been exercised, with 100,713 incentive stock options remaining.

Read SEC document
August 26, 2026 Filed Aug 28, 2026 18:43 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 100,000 $14.22 $1,422,000.00
Disclosure

SEC source: 0001193125-26-374910 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 376,510

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The shares received upon exercise remain subject to a lock-up period that expires at the close of business on August 31, 2026, pursuant to the lock-up agreement entered into for the Registrant's offering of common stock that closed on July 6, 2026.

Read SEC document
June 12, 2026 Filed Jun 16, 2026 20:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 18,414 $38.82 $714,886.72
Disclosure

SEC source: 0001193125-26-272604 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 276,510

F1 · shares: Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale to cover instruction letter dated June 9, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.82 to $39.54. The Reporting Person undertakes to provide 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.

Read SEC document
May 26, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 3,742 $45.00 $168,390.00
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 10

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 294,924

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 26, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 45,000 $44.00 $1,980,000.00
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 9

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 298,666

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 26, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 45,000 $43.00 $1,935,000.00
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 8

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 343,666

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 26, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 48,191 $41.99 $2,023,564.19
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 7

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 388,666

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.50 to $42.06. The Reporting Person undertakes to provide 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.

Read SEC document
May 26, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 70,558 $40.90 $2,885,815.14
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 6

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 436,857

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.39 to $41.07. The Reporting Person undertakes to provide 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.

Read SEC document
May 26, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 76,582 $39.94 $3,058,976.09
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 5

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 507,415

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.39 to $40.38. The Reporting Person undertakes to provide 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.

Read SEC document
May 26, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 19,669 $39.16 $770,228.21
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 4

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 583,997

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.39 to $39.385. The Reporting Person undertakes to provide 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.

Read SEC document
May 22, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 50,063 $0.00 Strike: $14.22 $0.00
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · derivative · entry 11

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50,063 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F9 · derivative.exercise_date: The options are fully vested and exercisable.

Read SEC document
May 22, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 40,000 $37.16 $1,486,564.00
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 3

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 603,666

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.00 to $37.50. The Reporting Person undertakes to provide 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.

Read SEC document
May 22, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 35,684 $36.39 $1,298,433.71
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 2

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 643,666

F2 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.00 to $36.99. The Reporting Person undertakes to provide 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.

Read SEC document
May 22, 2026 Filed May 27, 2026 21:14 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 50,063 $14.22 $711,895.86
Disclosure

SEC source: 0001193125-26-242160 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 679,350

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes 649 shares of common stock acquired by the Reporting Person on May 15, 2026, pursuant to the Company's Amended and Restated 2022 Employee Stock Purchase Plan.

Read SEC document
May 15, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 4,316 $0.00 Strike: $14.22 $0.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · derivative · entry 16

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,063

Underlying: Common Stock · 4,316 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The options are fully vested and exercisable.

Read SEC document
May 15, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 4,316 $36.00 $155,380.32
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 12

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 628,638

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.00 to $36.02. The Reporting Person undertakes to provide 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.

Read SEC document
May 15, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 4,316 $14.22 $61,373.52
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 11

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 632,954

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 40,000 $0.00 Strike: $14.22 $0.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · derivative · entry 15

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,379

Underlying: Common Stock · 40,000 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The options are fully vested and exercisable.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 40,000 $35.00 $1,400,000.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 10

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 628,638

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 40,000 $14.22 $568,800.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 9

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 668,638

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 21,341 $0.00 Strike: $14.22 $0.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · derivative · entry 14

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 94,379

Underlying: Common Stock · 21,341 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The options are fully vested and exercisable.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 31,434 $0.00 Strike: $2.13 $0.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · derivative · entry 13

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 31,434 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The options are fully vested and exercisable.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 13,659 $34.00 $464,406.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 8

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 628,638

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 32,500 $33.00 $1,072,500.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 7

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 642,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 2,500 $33.00 $82,500.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 6

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 674,797

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 35,000 $32.00 $1,120,000.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 5

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 677,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 21,341 $34.00 $725,594.00
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 4

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 712,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 21,341 $14.22 $303,469.02
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 3

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 733,638

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 31,434 $31.09 $977,371.08
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 2

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 712,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.00 to $31.21. The Reporting Person undertakes to provide 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.

Read SEC document
May 13, 2026 Filed May 15, 2026 22:41 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 31,434 $2.13 $66,954.42
Disclosure

SEC source: 0001193125-26-227373 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 743,731

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 05, 2026 Filed May 6, 2026 21:18 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 13,451 $0.00 Strike: $2.13 $0.00
Disclosure

SEC source: 0001193125-26-209397 · ownership.xml · derivative · entry 6

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,434

Underlying: Common Stock · 13,451 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The options are fully vested and exercisable.

Read SEC document
May 05, 2026 Filed May 6, 2026 21:18 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 13,451 $30.00 $403,530.00
Disclosure

SEC source: 0001193125-26-209397 · ownership.xml · nonDerivative · entry 4

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 712,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

Read SEC document
May 05, 2026 Filed May 6, 2026 21:18 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 13,451 $2.13 $28,650.63
Disclosure

SEC source: 0001193125-26-209397 · ownership.xml · nonDerivative · entry 3

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 725,748

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 04, 2026 Filed May 6, 2026 21:18 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 21,149 $0.00 Strike: $2.13 $0.00
Disclosure

SEC source: 0001193125-26-209397 · ownership.xml · derivative · entry 5

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,885

Underlying: Common Stock · 21,149 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The options are fully vested and exercisable.

Read SEC document
May 04, 2026 Filed May 6, 2026 21:18 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 21,149 $30.13 $637,160.15
Disclosure

SEC source: 0001193125-26-209397 · ownership.xml · nonDerivative · entry 2

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 712,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.00 to $30.30. The Reporting Person undertakes to provide 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.

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May 04, 2026 Filed May 6, 2026 21:18 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 21,149 $2.13 $45,047.37
Disclosure

SEC source: 0001193125-26-209397 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 733,446

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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April 22, 2026 Filed Apr 23, 2026 21:54 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 400 $0.00 Strike: $2.13 $0.00
Disclosure

SEC source: 0001193125-26-174132 · ownership.xml · derivative · entry 3

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,034

Underlying: Common Stock · 400 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The options are fully vested and exercisable.

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April 22, 2026 Filed Apr 23, 2026 21:54 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 400 $30.00 $12,000.00
Disclosure

SEC source: 0001193125-26-174132 · ownership.xml · nonDerivative · entry 2

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 712,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

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April 22, 2026 Filed Apr 23, 2026 21:54 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 400 $2.13 $852.00
Disclosure

SEC source: 0001193125-26-174132 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 712,697

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 21, 2026 Filed Apr 21, 2026 22:19 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 60,000 $0.00 Strike: $2.13 $0.00
Disclosure

SEC source: 0001193125-26-167415 · ownership.xml · derivative · entry 8

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,434

Underlying: Common Stock · 60,000 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The options are fully vested and exercisable.

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April 21, 2026 Filed Apr 21, 2026 22:19 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 30,000 $29.02 $870,528.00
Disclosure

SEC source: 0001193125-26-167415 · ownership.xml · nonDerivative · entry 6

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 712,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.00 to $29.25. The Reporting Person undertakes to provide 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.

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April 21, 2026 Filed Apr 21, 2026 22:19 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 30,000 $28.11 $843,333.00
Disclosure

SEC source: 0001193125-26-167415 · ownership.xml · nonDerivative · entry 5

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 742,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.00 to $28.44. The Reporting Person undertakes to provide 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.

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April 21, 2026 Filed Apr 21, 2026 22:19 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 60,000 $2.13 $127,800.00
Disclosure

SEC source: 0001193125-26-167415 · ownership.xml · nonDerivative · entry 4

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 772,297

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 20, 2026 Filed Apr 21, 2026 22:19 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 60,000 $0.00 Strike: $2.13 $0.00
Disclosure

SEC source: 0001193125-26-167415 · ownership.xml · derivative · entry 7

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 126,434

Underlying: Common Stock · 60,000 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The options are fully vested and exercisable.

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April 20, 2026 Filed Apr 21, 2026 22:19 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 30,000 $27.08 $812,259.00
Disclosure

SEC source: 0001193125-26-167415 · ownership.xml · nonDerivative · entry 3

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 712,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.00 to $27.23. The Reporting Person undertakes to provide 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.

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April 20, 2026 Filed Apr 21, 2026 22:19 UTC Ouster, Inc. OUST · Entity 4380 SaleCommon Stock 30,000 $26.08 $782,547.00
Disclosure

SEC source: 0001193125-26-167415 · ownership.xml · nonDerivative · entry 2

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 742,297

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.00 to $26.29. The Reporting Person undertakes to provide 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.

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April 20, 2026 Filed Apr 21, 2026 22:19 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionCommon Stock 60,000 $2.13 $127,800.00
Disclosure

SEC source: 0001193125-26-167415 · ownership.xml · nonDerivative · entry 1

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 772,297

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 17, 2026 Filed Apr 17, 2026 21:58 UTC Ouster, Inc. OUST · Entity 4380 Exercise / conversionNon-Qualified Stock Option · Derivative 30,000 $0.00 Strike: $2.13 $0.00
Disclosure

SEC source: 0001193125-26-161906 · ownership.xml · derivative · entry 3

Frichtl Mark · CIK 0001847596 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 186,434

Underlying: Common Stock · 30,000 shares

Expires 2030-10-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The options are fully vested and exercisable.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.