person · Reporting owner

Roelofs Nicolas H PHD

Disclosed activity across 2 companies

Tapewire entity: 27760
SEC CIK: 0001292341

Reported relationships

Latest disclosed role at each company.

Company	Last reported as	Report date	Published
DA32 Life Science Tech Acquisition Corp.DALS · Entity 110669	Director	July 27, 2021	July 27, 2021
Seer, Inc.SEER · Entity 6717	Director	July 28, 2026	July 30, 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.

DA32 Life Science Tech Acquisition Corp.

Report date July 27, 2021 · Filed July 27, 2021

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Class B Common StockSEC Table II · derivative / convertible security	Direct	Not disclosed	Reported balance Holding disclosure · report date 2021-07-27 · row 1 Instrument identity requires review; Table II rows are not merged. 1 source row Row 1 · Balance Not disclosed F1: The reporting person owns 30,000 shares of Class B Common Stock which are convertible into shares of Class A Common Stock as described under the heading "Description of Securities" in the Issuer's registration statement on Form S-1 (File No. 333-257679) and have no expiration date.

Filing footnotes · ownership attribution and instrument terms

F1: The reporting person owns 30,000 shares of Class B Common Stock which are convertible into shares of Class A Common Stock as described under the heading "Description of Securities" in the Issuer's registration statement on Form S-1 (File No. 333-257679) and have no expiration date.

Seer, Inc.

Report date July 28, 2026 · Filed July 30, 2026

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Class A Common StockSEC Table I · non-derivative	Direct	91,496	Reported balance After 2026-07-28 transaction · row 1 1 source row Row 1 · 2026-07-28 · Grant · Acquired 16,500 · Balance 91,496 F1: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) July 28, 2027 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.
Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $2.14 · Expires 2036-07-28	Direct	25,000	Reported balance After 2026-07-28 transaction · row 2 Instrument identity requires review; Table II rows are not merged. 1 source row Row 2 · 2026-07-28 · Grant · Acquired 25,000 · Balance 25,000 F2: Shares subject to the option vest on the earlier of (i) July 28, 2027 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

Filing footnotes · ownership attribution and instrument terms

F1: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) July 28, 2027 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

F2: Shares subject to the option vest on the earlier of (i) July 28, 2027 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

Transaction history

JSON API

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 date	Company	Activity / security	Shares / units	Reported price	Reported value	Details
July 28, 2026 Filed Jul 30, 2026 20:30 UTC	Seer, Inc. SEER · Entity 6717	GrantStock Option (right to buy) · Derivative	25,000	$0.00 Strike: $2.14	$0.00	Disclosure SEC source: 0001292341-26-000002 · form4-07302026_080712.xml · derivative · entry 2 Roelofs Nicolas H PHD · CIK 0001292341 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,000 Underlying: Class A Common Stock · 25,000 shares Expires 2036-07-28 F2 · derivative.exercise_date: Shares subject to the option vest on the earlier of (i) July 28, 2027 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders. Read SEC document
July 28, 2026 Filed Jul 30, 2026 20:30 UTC	Seer, Inc. SEER · Entity 6717	GrantClass A Common Stock	16,500	$0.00	$0.00	Disclosure SEC source: 0001292341-26-000002 · form4-07302026_080712.xml · nonDerivative · entry 1 Roelofs Nicolas H PHD · CIK 0001292341 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 91,496 F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) July 28, 2027 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders. Read SEC document
July 07, 2025 Filed Jul 9, 2025 20:14 UTC	Seer, Inc. SEER · Entity 6717	GrantStock Option (right to buy) · Derivative	25,416	$0.00 Strike: $2.18	$0.00	Disclosure SEC source: 0001415889-25-019577 · form4-07092025_080741.xml · derivative · entry 2 Roelofs Nicolas H PHD · CIK 0001292341 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,416 Underlying: Class A Common Stock · 25,416 shares Expires 2035-07-07 F2 · derivative.exercise_date: Shares subject to the option vest on the earlier of (i) July 7, 2026 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders. Read SEC document
July 07, 2025 Filed Jul 9, 2025 20:14 UTC	Seer, Inc. SEER · Entity 6717	GrantClass A Common Stock	17,083	$0.00	$0.00	Disclosure SEC source: 0001415889-25-019577 · form4-07092025_080741.xml · nonDerivative · entry 1 Roelofs Nicolas H PHD · CIK 0001292341 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 74,996 F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) July 7, 2026 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders. Read SEC document
August 13, 2024 Filed Aug 15, 2024 22:47 UTC	Seer, Inc. SEER · Entity 6717	GrantStock Option (right to buy) · Derivative	69,470	$0.00 Strike: $1.70	$0.00	Disclosure SEC source: 0001415889-24-021407 · form4-08152024_100814.xml · derivative · entry 2 Roelofs Nicolas H PHD · CIK 0001292341 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 69,470 Underlying: Class A Common Stock · 69,470 shares Expires 2034-08-12 F2 · derivative.exercise_date: The shares subject to the option vest in three equal annual installments beginning on August 13, 2025. Read SEC document
August 13, 2024 Filed Aug 15, 2024 22:47 UTC	Seer, Inc. SEER · Entity 6717	GrantClass A Common Stock	46,886	$0.00	$0.00	Disclosure SEC source: 0001415889-24-021407 · form4-08152024_100814.xml · nonDerivative · entry 1 Roelofs Nicolas H PHD · CIK 0001292341 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 57,913 F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in three equal annual installments beginning on August 13, 2025. Read SEC document

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