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person · Reporting owner

Crouse Steven C.

Disclosed activity across 2 companies

Tapewire entity
21867
SEC CIK
0002065241

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
BIO-TECHNE CorpTECH · Entity 3479President - Diag & Spatial BiAugust 17, 2026August 19, 2026
OmniAb, Inc.OABI · Entity 5294DirectorJune 17, 2026June 18, 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.

BIO-TECHNE Corp

Report date August 17, 2026 · Filed August 19, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect8,702 Reported balance After 2026-08-17 transaction · row 17 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 17 · 2026-08-17 · Grant · Acquired 8,702 · Balance 8,702

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F15: 2,901 restricted stock units vest on each of 8/17/2027 and 8/17/2028, and 2,900 restricted stock units vest on 8/17/2029.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect14,140 Reported balance After 2026-08-17 transaction · row 18 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 18 · 2026-08-17 · Grant · Acquired 14,140 · Balance 14,140

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F16: 14,140 restricted stock units vest on 8/17/2029.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect794 Reported balance Holding disclosure · report date 2026-08-17 · row 12 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 12 · Balance 794

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F10: 794 restricted stock units vest on 5/1/2027.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect1,200 Reported balance Holding disclosure · report date 2026-08-17 · row 13 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 13 · Balance 1,200

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F11: 600 restricted stock units vest on each of 6/2/2027 and 6/2/2028.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect1,869 Reported balance Holding disclosure · report date 2026-08-17 · row 14 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 14 · Balance 1,869

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F12: 1,869 restricted stock units vest on 8/15/2027.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect4,353 Reported balance Holding disclosure · report date 2026-08-17 · row 15 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 15 · Balance 4,353

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F13: 2,177 restricted stock units vest on 8/15/2027, and 2,176 restricted stock units vest on 8/15/2028.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect735 Reported balance Holding disclosure · report date 2026-08-17 · row 16 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 16 · Balance 735

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F14: 245 restricted stock units vest on each of 3/2/2027, 3/2/2028 and 3/2/2029.

Common StockSEC Table I · non-derivativeDirect10,237 Reported balance Holding disclosure · report date 2026-08-17 · row 1 Holding and transaction disclosures are not merged.
1 source row

Row 1 · Balance 10,237

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $97.13 · Expires 2028-04-01Direct3,856 Reported balance Holding disclosure · report date 2026-08-17 · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · Balance 3,856

F1: 100% vested.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $120.46 · Expires 2028-08-06Direct19,032 Reported balance Holding disclosure · report date 2026-08-17 · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · Balance 19,032

F1: 100% vested.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $94.52 · Expires 2029-08-15Direct24,560 Reported balance Holding disclosure · report date 2026-08-17 · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · Balance 24,560

F1: 100% vested.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $84.61 · Expires 2030-08-15Direct12,649 Reported balance Holding disclosure · report date 2026-08-17 · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · Balance 12,649

F2: Options to purchase 3,162 shares vest on each of 8/15/2024, 8/15/2026 and 8/15/2027; and options to purchase 3,163 shares vest on 8/15/2025.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $73.46 · Expires 2031-05-01Direct7,327 Reported balance Holding disclosure · report date 2026-08-17 · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · Balance 7,327

F3: Options to purchase 1,832 shares vest on each of 5/1/2025, 5/1/2026 and 5/1/2028; and options to purchase 1,831 shares vest on 5/1/2027.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $74.91 · Expires 2034-08-15Direct17,133 Reported balance Holding disclosure · report date 2026-08-17 · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · Balance 17,133

F4: Options to purchase 4,283 shares vest on each of 8/15/2025, 8/15/2027 and 8/15/2028; and options to purchase 4,284 shares vest on 8/15/2026.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $48.61 · Expires 2035-06-02Direct5,434 Reported balance Holding disclosure · report date 2026-08-17 · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · Balance 5,434

F5: Options to purchase 1,359 shares vest on each of 6/2/2026 and 6/2/2028; and options to purchase 1,358 shares vest on each of 6/2/2027 and 6/2/2029.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $53.60 · Expires 2035-08-15Direct19,151 Reported balance Holding disclosure · report date 2026-08-17 · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · Balance 19,151

F6: Options to purchase 4,788 shares vest on each of 8/15/2026, 8/15/2027 and 8/15/2029; and options to purchase 4,787 shares vest on 8/15/2028.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $57.82 · Expires 2036-03-02Direct1,911 Reported balance Holding disclosure · report date 2026-08-17 · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · Balance 1,911

F7: Options to purchase 478 shares vest on each of 3/2/2027, 3/2/2028 and 3/2/2030; and options to purchase 477 shares vest on 3/2/2029.

Performance Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect2,387 Reported balance Holding disclosure · report date 2026-08-17 · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · Balance 2,387

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F9: Vests in full or in part on 8/15/2028 if certain performance goals are achieved (or such later date as performance is certified by the Administrator).

Filing footnotes · ownership attribution and instrument terms

F1: 100% vested.

F2: Options to purchase 3,162 shares vest on each of 8/15/2024, 8/15/2026 and 8/15/2027; and options to purchase 3,163 shares vest on 8/15/2025.

F3: Options to purchase 1,832 shares vest on each of 5/1/2025, 5/1/2026 and 5/1/2028; and options to purchase 1,831 shares vest on 5/1/2027.

F4: Options to purchase 4,283 shares vest on each of 8/15/2025, 8/15/2027 and 8/15/2028; and options to purchase 4,284 shares vest on 8/15/2026.

F5: Options to purchase 1,359 shares vest on each of 6/2/2026 and 6/2/2028; and options to purchase 1,358 shares vest on each of 6/2/2027 and 6/2/2029.

F6: Options to purchase 4,788 shares vest on each of 8/15/2026, 8/15/2027 and 8/15/2029; and options to purchase 4,787 shares vest on 8/15/2028.

F7: Options to purchase 478 shares vest on each of 3/2/2027, 3/2/2028 and 3/2/2030; and options to purchase 477 shares vest on 3/2/2029.

F8: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F9: Vests in full or in part on 8/15/2028 if certain performance goals are achieved (or such later date as performance is certified by the Administrator).

F10: 794 restricted stock units vest on 5/1/2027.

F11: 600 restricted stock units vest on each of 6/2/2027 and 6/2/2028.

F12: 1,869 restricted stock units vest on 8/15/2027.

F13: 2,177 restricted stock units vest on 8/15/2027, and 2,176 restricted stock units vest on 8/15/2028.

F14: 245 restricted stock units vest on each of 3/2/2027, 3/2/2028 and 3/2/2029.

F15: 2,901 restricted stock units vest on each of 8/17/2027 and 8/17/2028, and 2,900 restricted stock units vest on 8/17/2029.

F16: 14,140 restricted stock units vest on 8/17/2029.

OmniAb, Inc.

Report date June 17, 2026 · Filed June 18, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect33,333 Reported balance After 2026-06-17 transaction · row 1
1 source row

Row 1 · 2026-06-17 · Exercise / conversion · Acquired 20,000 · Balance 33,333

F1: Represents the vesting of an RSU granted on June 17, 2025, which occurs on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

F2: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect26,667 Reported balance After 2026-06-17 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-06-17 · Exercise / conversion · Disposed 20,000 · Balance 26,667

F2: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F1: Represents the vesting of an RSU granted on June 17, 2025, which occurs on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect46,667 Reported balance After 2026-06-17 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-06-17 · Grant · Acquired 20,000 · Balance 46,667

F2: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3: The RSUs shall vest in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $2.03 · Expires 2036-06-17Direct40,000 Reported balance After 2026-06-17 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-06-17 · Grant · Acquired 40,000 · Balance 40,000

F4: Each Stock Option shall vest and become exercisable in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the date of grant.

Filing footnotes · ownership attribution and instrument terms

F1: Represents the vesting of an RSU granted on June 17, 2025, which occurs on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

F2: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3: The RSUs shall vest in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

F4: Each Stock Option shall vest and become exercisable in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the date of grant.

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
August 17, 2026 Filed Aug 19, 2026 20:46 UTC BIO-TECHNE Corp TECH · Entity 3479 GrantRestricted Stock Units · Derivative 14,140 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000129 · form4.xml · derivative · entry 18

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,140

Underlying: Common Stock · 14,140 shares

Expires not disclosed

F8 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F16 · derivative.exercise_date: 14,140 restricted stock units vest on 8/17/2029.

F16 · derivative.expiration_date: 14,140 restricted stock units vest on 8/17/2029.

Read SEC document
August 17, 2026 Filed Aug 19, 2026 20:46 UTC BIO-TECHNE Corp TECH · Entity 3479 GrantRestricted Stock Units · Derivative 8,702 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000129 · form4.xml · derivative · entry 17

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,702

Underlying: Common Stock · 8,702 shares

Expires not disclosed

F8 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F15 · derivative.exercise_date: 2,901 restricted stock units vest on each of 8/17/2027 and 8/17/2028, and 2,900 restricted stock units vest on 8/17/2029.

F15 · derivative.expiration_date: 2,901 restricted stock units vest on each of 8/17/2027 and 8/17/2028, and 2,900 restricted stock units vest on 8/17/2029.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:13 UTC BIO-TECHNE Corp TECH · Entity 3479 Exercise / conversionRestricted Stock Units · Derivative 2,176 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000114 · form4.xml · derivative · entry 7

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,353

Underlying: Common Stock · 2,176 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F6 · derivative.exercise_date: 2,176 restricted stock units vest on each of 8/15/2026 and 8/15/2028; and 2,177 restricted stock units vest on 8/15/2027.

F6 · derivative.expiration_date: 2,176 restricted stock units vest on each of 8/15/2026 and 8/15/2028; and 2,177 restricted stock units vest on 8/15/2027.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:13 UTC BIO-TECHNE Corp TECH · Entity 3479 Exercise / conversionRestricted Stock Units · Derivative 1,868 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000114 · form4.xml · derivative · entry 6

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,869

Underlying: Common Stock · 1,868 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F5 · derivative.exercise_date: 1,868 restricted stock units vest on 8/15/2026 and 1,869 restricted stock units vest on 8/15/2027.

F5 · derivative.expiration_date: 1,868 restricted stock units vest on 8/15/2026 and 1,869 restricted stock units vest on 8/15/2027.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:13 UTC BIO-TECHNE Corp TECH · Entity 3479 Exercise / conversionRestricted Stock Units · Derivative 1,379 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000114 · form4.xml · derivative · entry 5

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,379 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F4 · derivative.exercise_date: 1,379 restricted stock units vest on 8/15/2026.

F4 · derivative.expiration_date: 1,379 restricted stock units vest on 8/15/2026.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:13 UTC BIO-TECHNE Corp TECH · Entity 3479 Tax withholdingCommon Stock 1,947 $72.40 $140,962.80
Disclosure

SEC source: 0000914190-26-000114 · form4.xml · nonDerivative · entry 2

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,237

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:13 UTC BIO-TECHNE Corp TECH · Entity 3479 Exercise / conversionCommon Stock 5,423 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000114 · form4.xml · nonDerivative · entry 1

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,184

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
June 17, 2026 Filed Jun 18, 2026 20:32 UTC OmniAb, Inc. OABI · Entity 5294 GrantStock Option (right to buy) · Derivative 40,000 $0.00 Strike: $2.03 $0.00
Disclosure

SEC source: 0002065241-26-000005 · wk-form4_1781814718.xml · derivative · entry 4

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2036-06-17

F4 · derivative.exercise_date: Each Stock Option shall vest and become exercisable in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the date of grant.

Read SEC document
June 17, 2026 Filed Jun 18, 2026 20:32 UTC OmniAb, Inc. OABI · Entity 5294 GrantRestricted Stock Units · Derivative 20,000 $0.00 $0.00
Disclosure

SEC source: 0002065241-26-000005 · wk-form4_1781814718.xml · derivative · entry 3

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,667

Underlying: Common Stock · 20,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: The RSUs shall vest in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

F3 · derivative.expiration_date: The RSUs shall vest in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

Read SEC document
June 17, 2026 Filed Jun 18, 2026 20:32 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionRestricted Stock Units · Derivative 20,000 $0.00 $0.00
Disclosure

SEC source: 0002065241-26-000005 · wk-form4_1781814718.xml · derivative · entry 2

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,667

Underlying: Common Stock · 20,000 shares

Expires not disclosed

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_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F1 · derivative.exercise_date: Represents the vesting of an RSU granted on June 17, 2025, which occurs on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

F1 · derivative.expiration_date: Represents the vesting of an RSU granted on June 17, 2025, which occurs on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

Read SEC document
June 17, 2026 Filed Jun 18, 2026 20:32 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionCommon Stock 20,000 Not disclosed Not disclosed
Disclosure

SEC source: 0002065241-26-000005 · wk-form4_1781814718.xml · nonDerivative · entry 1

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,333

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: Represents the vesting of an RSU granted on June 17, 2025, which occurs on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

F2 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

Read SEC document
June 02, 2026 Filed Jun 4, 2026 20:28 UTC BIO-TECHNE Corp TECH · Entity 3479 Exercise / conversionRestricted Stock Units · Derivative 600 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000096 · form4.xml · derivative · entry 4

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,200

Underlying: Common Stock · 600 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F3 · derivative.exercise_date: 600 restricted stock units vest on each of 6/2/2026, 6/2/2027 and 6/2/2028.

F3 · derivative.expiration_date: 600 restricted stock units vest on each of 6/2/2026, 6/2/2027 and 6/2/2028.

Read SEC document
June 02, 2026 Filed Jun 4, 2026 20:28 UTC BIO-TECHNE Corp TECH · Entity 3479 Tax withholdingCommon Stock 216 $49.77 $10,750.32
Disclosure

SEC source: 0000914190-26-000096 · form4.xml · nonDerivative · entry 2

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,761

Read SEC document
June 02, 2026 Filed Jun 4, 2026 20:28 UTC BIO-TECHNE Corp TECH · Entity 3479 Exercise / conversionCommon Stock 600 Not disclosed Not disclosed
Disclosure

SEC source: 0000914190-26-000096 · form4.xml · nonDerivative · entry 1

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,977

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 · price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F17 · balance_after: Due to a mathematical error on the Form 4 filed May 5, 2026, the number of shares beneficially owned is being increased by 40 shares and this filing represents the correct number of shares beneficially owned by the Reporting Person.

Read SEC document
May 01, 2026 Filed May 5, 2026 20:12 UTC BIO-TECHNE Corp TECH · Entity 3479 Exercise / conversionRestricted Stock Units · Derivative 794 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000083 · form4.xml · derivative · entry 3

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 794

Underlying: Common Stock · 794 shares

Expires not disclosed

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 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F2 · derivative.exercise_date: 794 restricted stock units vest on 5/1/2026 and 5/1/2027.

F2 · derivative.expiration_date: 794 restricted stock units vest on 5/1/2026 and 5/1/2027.

Read SEC document
May 01, 2026 Filed May 5, 2026 20:12 UTC BIO-TECHNE Corp TECH · Entity 3479 Tax withholdingCommon Stock 311 $55.02 $17,111.22
Disclosure

SEC source: 0000914190-26-000083 · form4.xml · nonDerivative · entry 2

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,337

Read SEC document
May 01, 2026 Filed May 5, 2026 20:12 UTC BIO-TECHNE Corp TECH · Entity 3479 Exercise / conversionCommon Stock 794 Not disclosed Not disclosed
Disclosure

SEC source: 0000914190-26-000083 · form4.xml · nonDerivative · entry 1

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,688

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 · price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

Read SEC document
April 21, 2026 Filed Apr 21, 2026 20:05 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionRestricted Stock Units · Derivative 13,333 $0.00 $0.00
Disclosure

SEC source: 0002065241-26-000003 · wk-form4_1776801914.xml · derivative · entry 2

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,667

Underlying: Common Stock · 13,333 shares

Expires not disclosed

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_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F1 · derivative.exercise_date: Represents the vesting of an RSU which occurs in three substantially equal annual installments, beginning April 21, 2026, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

F1 · derivative.expiration_date: Represents the vesting of an RSU which occurs in three substantially equal annual installments, beginning April 21, 2026, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

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April 21, 2026 Filed Apr 21, 2026 20:05 UTC OmniAb, Inc. OABI · Entity 5294 Exercise / conversionCommon Stock 13,333 Not disclosed Not disclosed
Disclosure

SEC source: 0002065241-26-000003 · wk-form4_1776801914.xml · nonDerivative · entry 1

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,333

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: Represents the vesting of an RSU which occurs in three substantially equal annual installments, beginning April 21, 2026, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

F2 · price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

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March 02, 2026 Filed Mar 4, 2026 23:48 UTC BIO-TECHNE Corp TECH · Entity 3479 GrantStock Option (right to buy) · Derivative 1,911 $0.00 Strike: $57.82 $0.00
Disclosure

SEC source: 0000914190-26-000036 · form4.xml · derivative · entry 17

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,911

Underlying: Common Stock · 1,911 shares

Expires 2036-03-02

F16 · derivative.exercise_date: Options to purchase 478 shares vest on each of 3/2/2027, 3/2/2028 and 3/2/2030; and options to purchase 477 shares vest on 3/2/2029.

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March 02, 2026 Filed Mar 4, 2026 23:48 UTC BIO-TECHNE Corp TECH · Entity 3479 GrantRestricted Stock Units · Derivative 735 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000036 · form4.xml · derivative · entry 16

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 735

Underlying: Common Stock · 735 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F15 · derivative.exercise_date: 245 restricted stock units vest on 3/2/2027, 3/2/2028 and 3/2/2029.

F15 · derivative.expiration_date: 245 restricted stock units vest on 3/2/2027, 3/2/2028 and 3/2/2029.

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March 02, 2026 Filed Mar 4, 2026 23:48 UTC BIO-TECHNE Corp TECH · Entity 3479 GrantPerformance Restricted Stock Units · Derivative 2,387 $0.00 $0.00
Disclosure

SEC source: 0000914190-26-000036 · form4.xml · derivative · entry 15

Crouse Steven C. · CIK 0002065241 · President - Diag & Spatial Bi

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,387

Underlying: Common Stock · 2,387 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

F14 · derivative.exercise_date: Vests in full or in part on 8/15/2028 if certain performance goals are achieved (or such later date as performance is certified by the Administrator).

F14 · derivative.expiration_date: Vests in full or in part on 8/15/2028 if certain performance goals are achieved (or such later date as performance is certified by the Administrator).

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June 17, 2025 Filed Jun 18, 2025 20:13 UTC OmniAb, Inc. OABI · Entity 5294 GrantStock Option (right to buy) · Derivative 40,000 $0.00 Strike: $1.70 $0.00
Disclosure

SEC source: 0002065241-25-000007 · wk-form4_1750277584.xml · derivative · entry 2

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2035-06-17

F3 · derivative.exercise_date: Each Stock Option shall vest and become exercisable in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the date of grant.

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June 17, 2025 Filed Jun 18, 2025 20:13 UTC OmniAb, Inc. OABI · Entity 5294 GrantRestricted Stock Units · Derivative 20,000 $0.00 $0.00
Disclosure

SEC source: 0002065241-25-000007 · wk-form4_1750277584.xml · derivative · entry 1

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 20,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F2 · derivative.exercise_date: The RSUs shall vest in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

F2 · derivative.expiration_date: The RSUs shall vest in full on the earlier of (A) the date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the grant date.

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April 21, 2025 Filed Apr 21, 2025 23:52 UTC OmniAb, Inc. OABI · Entity 5294 GrantStock Option (right to buy) · Derivative 80,000 $0.00 Strike: $1.83 $0.00
Disclosure

SEC source: 0002065241-25-000005 · wk-form4_1745279560.xml · derivative · entry 2

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,000

Underlying: Common Stock · 80,000 shares

Expires 2035-04-21

F3 · derivative.exercise_date: The Stock Option grant vests and becomes exercisable in three substantially equal annual installments beginning on April 21, 2026, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

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April 21, 2025 Filed Apr 21, 2025 23:52 UTC OmniAb, Inc. OABI · Entity 5294 GrantRestricted Stock Units · Derivative 40,000 $0.00 $0.00
Disclosure

SEC source: 0002065241-25-000005 · wk-form4_1745279560.xml · derivative · entry 1

Crouse Steven C. · CIK 0002065241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F2 · derivative.exercise_date: The RSU grant vests in three substantially equal annual installments beginning on April 21, 2026, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

F2 · derivative.expiration_date: The RSU grant vests in three substantially equal annual installments beginning on April 21, 2026, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

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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.