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BIOLIFE SOLUTIONS INC

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Tapewire entity
4614
SEC CIK
0000834365
Parsed reports
1,001

Last 12 months

Inside the activity.

0 purchase rows · 39 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 2025014
Dec 202508
Jan 202605
Feb 202600
Mar 202609
Apr 202600
May 202603
Jun 202600
Jul 202600
Aug 202600
Sep 202600
Oct 202600

Latest available

Insider transactions

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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 dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
October 06, 2026 Filed Oct 9, 2026 01:59 UTC Disposition to issuerCommon Stock 53,156 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418328 · ownership.xml · nonDerivative · entry 1

GOSWAMI JOYDEEP · CIK 0001533115 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:59 UTC
Wichterman TroyChief Financial Officer
Disposition to issuerCommon Stock 256,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418329 · ownership.xml · nonDerivative · entry 4

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:59 UTC
Wichterman TroyChief Financial Officer
Tax withholdingCommon Stock 95,933 $38.61 $3,703,973.13
Disclosure

SEC source: 0001193125-26-418329 · ownership.xml · nonDerivative · entry 3

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183,248

F4 · price: Represents shares withheld to cover tax withholding obligations in connection with the vesting of the market-based restricted stock award.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:59 UTC
Wichterman TroyChief Financial Officer
GrantCommon Stock 62,300 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418329 · ownership.xml · nonDerivative · entry 2

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 279,181

F3 · price: The restricted stock was granted pursuant to the 2023 Plan. In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2026 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:59 UTC
Wichterman TroyChief Financial Officer
GrantCommon Stock 76,204 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418329 · ownership.xml · nonDerivative · entry 1

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216,881

F2 · price: The restricted stock was granted pursuant to the BioLife Solutions 2023 Omnibus Performance Incentive Plan (the "2023 Plan"). In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2025 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:59 UTC Disposition to issuerCommon Stock 57,995 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418327 · ownership.xml · nonDerivative · entry 1

Ellingson Rachel · CIK 0001557271 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:59 UTC
DuRoss AmyDirector
Disposition to issuerCommon Stock 26,857 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418325 · ownership.xml · nonDerivative · entry 1

DuRoss Amy · CIK 0001854968 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:58 UTC Disposition to issuerCommon Stock 13,871 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418323 · ownership.xml · nonDerivative · entry 1

Coste Catherine · CIK 0001821432 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:58 UTC
DE GREEF RODERICKDirector · Chief Executive Officer
Disposition to issuerCommon Stock 826,454 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418321 · ownership.xml · nonDerivative · entry 4

DE GREEF RODERICK · CIK 0001241181 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:58 UTC
DE GREEF RODERICKDirector · Chief Executive Officer
Tax withholdingCommon Stock 364,872 $38.61 $14,087,707.92
Disclosure

SEC source: 0001193125-26-418321 · ownership.xml · nonDerivative · entry 3

DE GREEF RODERICK · CIK 0001241181 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 439,774

F4 · price: Represents shares withheld to cover tax withholding obligations in connection with the vesting of the market-based restricted stock award.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:58 UTC
DE GREEF RODERICKDirector · Chief Executive Officer
GrantCommon Stock 237,460 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418321 · ownership.xml · nonDerivative · entry 2

DE GREEF RODERICK · CIK 0001241181 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 804,646

F3 · price: The restricted stock was granted pursuant to the 2023 Plan. In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2026 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:58 UTC
DE GREEF RODERICKDirector · Chief Executive Officer
GrantCommon Stock 225,670 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418321 · ownership.xml · nonDerivative · entry 1

DE GREEF RODERICK · CIK 0001241181 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 567,186

F2 · price: The restricted stock was granted pursuant to the BioLife Solutions 2023 Omnibus Performance Incentive Plan (the "2023 Plan"). In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2025 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:58 UTC
Hunt AnthonyDirector
Disposition to issuerCommon Stock 15,046 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418319 · ownership.xml · nonDerivative · entry 1

Hunt Anthony · CIK 0001606030 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:57 UTC
Mathew Aby J.EVP & Chief Scientific Officer
Disposition to issuerCommon Stock 404,608 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418315 · ownership.xml · nonDerivative · entry 4

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:57 UTC
Mathew Aby J.EVP & Chief Scientific Officer
Tax withholdingCommon Stock 70,000 $38.61 $2,702,700.00
Disclosure

SEC source: 0001193125-26-418315 · ownership.xml · nonDerivative · entry 3

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,058

F4 · price: Represents shares withheld to cover tax withholding obligations in connection with the vesting of the market-based restricted stock award.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:57 UTC
Mathew Aby J.EVP & Chief Scientific Officer
GrantCommon Stock 40,192 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418315 · ownership.xml · nonDerivative · entry 2

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 384,058

F3 · price: The restricted stock was granted pursuant to the 2023 Plan. In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2026 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:57 UTC
Mathew Aby J.EVP & Chief Scientific Officer
GrantCommon Stock 45,838 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418315 · ownership.xml · nonDerivative · entry 1

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 343,866

F2 · price: The restricted stock was granted pursuant to the BioLife Solutions 2023 Omnibus Performance Incentive Plan (the "2023 Plan"). In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2025 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:57 UTC Disposition to issuerCommon Stock 44,943 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418316 · ownership.xml · nonDerivative · entry 1

MOORE TIMOTHY L. · CIK 0001669207 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:55 UTC
Berard ToddChief Marketing Officer
Disposition to issuerCommon Stock 194,786 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418308 · ownership.xml · nonDerivative · entry 4

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:55 UTC
Berard ToddChief Marketing Officer
Tax withholdingCommon Stock 46,170 $38.61 $1,782,623.70
Disclosure

SEC source: 0001193125-26-418308 · ownership.xml · nonDerivative · entry 3

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,589

F4 · price: Represents shares withheld to cover tax withholding obligations in connection with the vesting of the market-based restricted stock award.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:55 UTC
Berard ToddChief Marketing Officer
GrantCommon Stock 40,192 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418308 · ownership.xml · nonDerivative · entry 2

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 202,759

F3 · price: The restricted stock was granted pursuant to the 2023 Plan. In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2026 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:55 UTC
Berard ToddChief Marketing Officer
GrantCommon Stock 38,198 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418308 · ownership.xml · nonDerivative · entry 1

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,567

F2 · price: The restricted stock was granted pursuant to the BioLife Solutions 2023 Omnibus Performance Incentive Plan (the "2023 Plan"). In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2025 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:54 UTC
Werner SeanChief Technology Officer
Disposition to issuerCommon Stock 69,979 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418304 · ownership.xml · nonDerivative · entry 4

Werner Sean · CIK 0002047541 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Reflects the disposition of shares of common stock ("Common Stock") of BioLife Solutions, Inc. (the "Registrant") in connection with the consummation on October 6, 2026 of the merger of Bravo Merger Sub I, Inc., a Delaware corporation ("Merger Sub 1") with and into the Registrant (the "First Merger"), pursuant to the Agreement and Plan of Merger, dated as of July 21, 2026 (the "Merger Agreement"), by and among the Registrant, Repligen Corporation, a Delaware corporation ("Repligen"), Merger Sub 1 and Bravo Merger Sub II, LLC, a Delaware limited liability company. At the effective time of the First Merger (the "First Merger Effective Time"), each outstanding share of Common Stock was converted into the right to receive $11.25 in cash and 0.1442 shares of Repligen common stock, in each case subject to the terms and conditions of the Merger Agreement.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:54 UTC
Werner SeanChief Technology Officer
Tax withholdingCommon Stock 71,226 $38.61 $2,750,035.86
Disclosure

SEC source: 0001193125-26-418304 · ownership.xml · nonDerivative · entry 3

Werner Sean · CIK 0002047541 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,039

F4 · price: Represents shares withheld to cover tax withholding obligations in connection with the vesting of the market-based restricted stock award.

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:54 UTC
Werner SeanChief Technology Officer
GrantCommon Stock 48,232 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418304 · ownership.xml · nonDerivative · entry 2

Werner Sean · CIK 0002047541 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,265

F3 · price: The restricted stock was granted pursuant to the 2023 Plan. In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2026 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
October 06, 2026 Filed Oct 9, 2026 01:54 UTC
Werner SeanChief Technology Officer
GrantCommon Stock 45,838 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-418304 · ownership.xml · nonDerivative · entry 1

Werner Sean · CIK 0002047541 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,033

F2 · price: The restricted stock was granted pursuant to the BioLife Solutions 2023 Omnibus Performance Incentive Plan (the "2023 Plan"). In accordance with the terms of the grant and the Merger Agreement, the restricted stock vested immediately prior to the First Merger Effective Time as to approximately 200% of the number of shares granted based on the Registrant's total shareholder return during the period beginning on January 1, 2025 through October 2, 2026 as compared to the total shareholder return of certain of the Registrant's peers (such peers have been determined by the Registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).

Read SEC document
September 18, 2026 Filed Sep 22, 2026 21:11 UTC
Mathew Aby J.EVP & Chief Scientific Officer
Tax withholdingCommon Stock 564 $36.69 $20,693.16
Disclosure

SEC source: 0001628280-26-063078 · wk-form4_1790111510.xml · nonDerivative · entry 1

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 387,269

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
September 18, 2026 Filed Sep 22, 2026 21:11 UTC
Berard ToddChief Marketing Officer
Tax withholdingCommon Stock 470 $36.69 $17,244.30
Disclosure

SEC source: 0001628280-26-063079 · wk-form4_1790111515.xml · nonDerivative · entry 1

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,823

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
September 18, 2026 Filed Sep 22, 2026 21:11 UTC
Wichterman TroyChief Financial Officer
Tax withholdingCommon Stock 937 $36.69 $34,378.53
Disclosure

SEC source: 0001628280-26-063075 · wk-form4_1790111490.xml · nonDerivative · entry 1

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 211,286

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
September 18, 2026 Filed Sep 22, 2026 21:11 UTC
Werner SeanChief Technology Officer
Tax withholdingCommon Stock 421 $36.69 $15,446.49
Disclosure

SEC source: 0001628280-26-063077 · wk-form4_1790111504.xml · nonDerivative · entry 1

Werner Sean · CIK 0002047541 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,135

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
September 18, 2026 Filed Sep 22, 2026 21:11 UTC
DE GREEF RODERICKDirector · President and CEO
Tax withholdingCommon Stock 2,775 $36.69 $101,814.75
Disclosure

SEC source: 0001628280-26-063076 · wk-form4_1790111498.xml · nonDerivative · entry 1

DE GREEF RODERICK · CIK 0001241181 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 728,196

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

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September 08, 2026 Filed Sep 10, 2026 20:50 UTC
Berard ToddChief Marketing Officer
Tax withholdingCommon Stock 356 $35.38 $12,595.28
Disclosure

SEC source: 0001628280-26-061389 · wk-form4_1789073439.xml · nonDerivative · entry 1

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,293

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

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September 08, 2026 Filed Sep 10, 2026 20:50 UTC
Wichterman TroyChief Financial Officer
Tax withholdingCommon Stock 1,026 $35.38 $36,299.88
Disclosure

SEC source: 0001628280-26-061387 · wk-form4_1789073424.xml · nonDerivative · entry 1

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,223

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

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September 08, 2026 Filed Sep 10, 2026 20:50 UTC
Mathew Aby J.EVP & Chief Scientific Officer
Tax withholdingCommon Stock 627 $35.38 $22,183.26
Disclosure

SEC source: 0001628280-26-061388 · wk-form4_1789073432.xml · nonDerivative · entry 1

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 387,833

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

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July 17, 2026 Filed Jul 21, 2026 22:47 UTC
Werner SeanChief Technology Officer
Tax withholdingCommon Stock 275 $29.15 $8,016.25
Disclosure

SEC source: 0001628280-26-049086 · wk-form4_1784674056.xml · nonDerivative · entry 1

Werner Sean · CIK 0002047541 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,556

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

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July 07, 2026 Filed Jul 13, 2026 21:03 UTC
Wichterman TroyChief Financial Officer
Tax withholdingCommon Stock 844 $27.79 $23,454.76
Disclosure

SEC source: 0001628280-26-048054 · wk-form4_1783976614.xml · nonDerivative · entry 1

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 213,249

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
July 07, 2026 Filed Jul 13, 2026 21:03 UTC
Mathew Aby J.EVP & Chief Scientific Officer
Tax withholdingCommon Stock 516 $27.79 $14,339.64
Disclosure

SEC source: 0001628280-26-048053 · wk-form4_1783976605.xml · nonDerivative · entry 1

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 388,460

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
July 07, 2026 Filed Jul 13, 2026 21:03 UTC
Berard ToddChief Marketing Officer
Tax withholdingCommon Stock 293 $27.79 $8,142.47
Disclosure

SEC source: 0001628280-26-048052 · wk-form4_1783976597.xml · nonDerivative · entry 1

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,649

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
June 18, 2026 Filed Jun 22, 2026 20:50 UTC
Werner SeanChief Technology Officer
Tax withholdingCommon Stock 420 $26.04 $10,936.80
Disclosure

SEC source: 0001628280-26-044698 · wk-form4_1782161424.xml · nonDerivative · entry 1

Werner Sean · CIK 0002047541 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,831

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
June 18, 2026 Filed Jun 22, 2026 20:50 UTC
Berard ToddChief Marketing Officer
Tax withholdingCommon Stock 470 $26.04 $12,238.80
Disclosure

SEC source: 0001628280-26-044699 · wk-form4_1782161430.xml · nonDerivative · entry 1

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,942

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

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June 18, 2026 Filed Jun 22, 2026 20:50 UTC
DE GREEF RODERICKDirector · President and CEO
Tax withholdingCommon Stock 2,775 $26.04 $72,261.00
Disclosure

SEC source: 0001628280-26-044696 · wk-form4_1782161414.xml · nonDerivative · entry 1

DE GREEF RODERICK · CIK 0001241181 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 730,971

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
June 18, 2026 Filed Jun 22, 2026 20:50 UTC
Wichterman TroyChief Financial Officer
Tax withholdingCommon Stock 937 $26.04 $24,399.48
Disclosure

SEC source: 0001628280-26-044695 · wk-form4_1782161406.xml · nonDerivative · entry 1

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 214,093

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
June 18, 2026 Filed Jun 22, 2026 20:50 UTC
Mathew Aby J.EVP & Chief Scientific Officer
Tax withholdingCommon Stock 564 $26.04 $14,686.56
Disclosure

SEC source: 0001628280-26-044694 · wk-form4_1782161398.xml · nonDerivative · entry 1

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 388,976

F1 · shares: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
June 08, 2026 Filed Jun 10, 2026 21:01 UTC
Wichterman TroyChief Financial Officer
Tax withholdingCommon Stock 1,026 $26.10 $26,778.60
Disclosure

SEC source: 0001628280-26-042286 · wk-form4_1781125288.xml · nonDerivative · entry 1

Wichterman Troy · CIK 0001892616 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215,030

F1 · price: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
June 08, 2026 Filed Jun 10, 2026 21:01 UTC
Berard ToddChief Marketing Officer
Tax withholdingCommon Stock 356 $26.10 $9,291.60
Disclosure

SEC source: 0001628280-26-042285 · wk-form4_1781125282.xml · nonDerivative · entry 1

Berard Todd · CIK 0001633186 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,412

F1 · price: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
June 08, 2026 Filed Jun 10, 2026 21:01 UTC
Mathew Aby J.EVP & Chief Scientific Officer
Tax withholdingCommon Stock 627 $26.10 $16,364.70
Disclosure

SEC source: 0001628280-26-042284 · wk-form4_1781125276.xml · nonDerivative · entry 1

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 389,540

F1 · price: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

Read SEC document
May 21, 2026 Filed May 21, 2026 23:10 UTC
Casdin Eli10% owner
SaleCommon Stock, par value $0.001 per share 650,000 $23.70 $15,405,000.00
Disclosure

SEC source: 0000919574-26-003646 · ownership.xml · nonDerivative · entry 3

Casdin Partners Master Fund, L.P. · CIK 0001534265 · 10% owner

Casdin Capital, LLC · CIK 0001534261 · 10% owner

Casdin Partners GP, LLC · CIK 0001534260 · 10% owner

Casdin Eli · CIK 0001534264 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 4,757,165

F1 · ownership.nature: The securities are owned directly by Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC ("Casdin Capital"), the investment adviser to the Master Fund, (ii) Casdin Partners GP, LLC ("Casdin GP"), the general partner of the Master Fund, and (iii) Eli Casdin, the managing member of Casdin Capital and Casdin GP.

Read SEC document
May 20, 2026 Filed May 21, 2026 23:10 UTC
Casdin Eli10% owner
SaleCommon Stock, par value $0.001 per share 250,000 $23.70 $5,925,000.00
Disclosure

SEC source: 0000919574-26-003646 · ownership.xml · nonDerivative · entry 2

Casdin Partners Master Fund, L.P. · CIK 0001534265 · 10% owner

Casdin Capital, LLC · CIK 0001534261 · 10% owner

Casdin Partners GP, LLC · CIK 0001534260 · 10% owner

Casdin Eli · CIK 0001534264 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 5,407,165

F1 · ownership.nature: The securities are owned directly by Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC ("Casdin Capital"), the investment adviser to the Master Fund, (ii) Casdin Partners GP, LLC ("Casdin GP"), the general partner of the Master Fund, and (iii) Eli Casdin, the managing member of Casdin Capital and Casdin GP.

Read SEC document
May 19, 2026 Filed May 21, 2026 23:10 UTC
Casdin Eli10% owner
SaleCommon Stock, par value $0.001 per share 300,000 $22.65 $6,795,000.00
Disclosure

SEC source: 0000919574-26-003646 · ownership.xml · nonDerivative · entry 1

Casdin Partners Master Fund, L.P. · CIK 0001534265 · 10% owner

Casdin Capital, LLC · CIK 0001534261 · 10% owner

Casdin Partners GP, LLC · CIK 0001534260 · 10% owner

Casdin Eli · CIK 0001534264 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 5,657,165

F1 · ownership.nature: The securities are owned directly by Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC ("Casdin Capital"), the investment adviser to the Master Fund, (ii) Casdin Partners GP, LLC ("Casdin GP"), the general partner of the Master Fund, and (iii) Eli Casdin, the managing member of Casdin Capital and Casdin GP.

Read SEC document
April 08, 2026 Filed Apr 10, 2026 21:29 UTC
Mathew Aby J.EVP & Chief Scientific Officer
Tax withholdingCommon Stock 515 $19.27 $9,924.05
Disclosure

SEC source: 0001628280-26-024767 · wk-form4_1775856566.xml · nonDerivative · entry 1

Mathew Aby J. · CIK 0001556355 · EVP & Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 390,167

F1 · price: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units.

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.