FR EA
1046-00001 · Helix Bio Therapeutics Inc · Closing
closing-checklist.xlsx DOCUMENT M&A / Corporate
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Contract analysis Extract to table

[sheet: Cover]

FieldValue
MatterDe-SPAC Business Combination — Helix Bio Therapeutics Inc. / Pinnacle Venture Acquisition Corp.
Prepared ByCalderwood & Harkness LLP, One Federal Street, 42nd Floor, Boston, MA 02110
Responsible PartnerSandra Tung
Billing PartnerOliver Mackenzie
Lead AssociateRyan Kowalski
Working AssociateMegan Chu
ClientHelix Bio Therapeutics Inc.
Client Address450 Kendall Street, Suite 800, Cambridge, MA 02142
AcquirorPinnacle Venture Acquisition Corp.
Acquiror Address101 Park Avenue, 34th Floor, New York, NY 10178
Merger SubPinnacle Merger Sub Inc.
Post-Closing ParentHelix Bio Therapeutics Holdings Inc. (Nasdaq: HBIO)
BCA Execution DateMarch 22, 2023
Scheduled Closing DateJune 15, 2023
Actual Closing DateJune 20, 2023
Governing LawState of Delaware (DGCL)
Counsel to PVAC/SponsorHargrove Slater & Dunn LLP — Nathan Dorsey / Allison Park
SEC File No. (S-4)333-271498
PVAC CIK0001893742
Checklist VersionFinal — As of Closing (June 20, 2023)
Status LegendComplete / Pending / Waived / N/A

[sheet: Closing Checklist]

Item No.

CATEGORY 1: TRANSACTION AGREEMENTS

1.1Transaction AgreementsBusiness Combination Agreement, dated as of March 22, 2023, among Pinnacle Venture Acquisition Corp., Pinnacle Merger Sub Inc., and Helix Bio Therapeutics Inc. — Execution VersionCalderwood & Harkness LLP / Hargrove Slater & Dunn LLP2023-03-222023-03-22CompleteExecuted by all parties. Governs forward merger of Merger Sub with and into HBT; HBT surviving as wholly owned subsidiary of PVAC. Deal value: $40,000,000; merger consideration: 4,000,000 shares at $10.00/share deemed value.
1.2Transaction AgreementsSponsor Support Agreement — Pinnacle Venture Sponsor LLCHargrove Slater & Dunn LLP2023-03-222023-03-22CompleteExecuted March 22, 2023 by Derek Holroyd and Samantha Briggs (Managing Members). Sponsor votes Class B shares in favor of Business Combination; forfeits 375,000 of 1,250,000 founder shares (30%); retains 875,000 shares; 12-month post-closing lock-up (early release if HBIO ≥ $12.00 for 20 of 30 trading days after 150 days post-closing); waiver of anti-dilution and redemption rights.
1.3Transaction AgreementsPIPE Subscription Agreement — Brindoval Capital Management, LPCalderwood & Harkness LLP2023-03-222023-03-22CompleteExecuted by Thomas Yeung, Managing Partner. 1,500,000 shares of PVAC Class A common stock at $10.00/share; aggregate commitment $15,000,000. Funding concurrent with closing.
1.4Transaction AgreementsPIPE Subscription Agreement — Lakepoint Health Opportunities Fund, LPCalderwood & Harkness LLP2023-03-222023-03-22CompleteExecuted by Diana Strickland, Principal. 500,000 shares of PVAC Class A common stock at $10.00/share; aggregate commitment $5,000,000. Funding concurrent with closing.
1.5Transaction AgreementsLock-Up Agreement (form attached as exhibit to BCA)Calderwood & Harkness LLP / Hargrove Slater & Dunn LLP2023-06-202023-06-20CompleteExecuted at closing by former HBT equityholders and Sponsor.
1.6Transaction AgreementsRegistration Rights AgreementCalderwood & Harkness LLP / Hargrove Slater & Dunn LLP2023-06-202023-06-20CompleteExecuted at closing; covers resale registration for former HBT equityholders, Sponsor, and PIPE investors.
1.7Transaction AgreementsAmended and Restated Certificate of Incorporation of Helix Bio Therapeutics Holdings Inc. (f/k/a Pinnacle Venture Acquisition Corp.)Hargrove Slater & Dunn LLP2023-06-202023-06-20CompleteFiled with Delaware Secretary of State at closing. Reflects re-domestication and name change.
1.8Transaction AgreementsAmended and Restated Bylaws of Helix Bio Therapeutics Holdings Inc.Hargrove Slater & Dunn LLP2023-06-202023-06-20CompleteAdopted at closing.

CATEGORY 2: CORPORATE APPROVALS

2.1Corporate ApprovalsPVAC Board of Directors — Resolution approving the Business Combination Agreement and related transactionsHargrove Slater & Dunn LLP2023-03-202023-03-20CompleteApproved March 20, 2023. Board members: Derek Holroyd, Samantha Briggs, Robert Tannenbaum, Julia Greenfield.
2.2Corporate ApprovalsHBT Board of Directors — Resolution approving the Business Combination Agreement and related transactionsCalderwood & Harkness LLP2023-03-212023-03-21CompleteApproved March 21, 2023. Board members: Dr. Priya Nandakumar (Chair & CEO), Dr. James Whitfield (CSO), Catherine Alcott (Ridgeline designee), Marcus Leung (Northbridge designee), Dr. Elena Vasquez (Independent).
2.3Corporate ApprovalsPinnacle Merger Sub Inc. — Board resolution and sole stockholder (PVAC) written consent approving the mergerHargrove Slater & Dunn LLP2023-03-222023-03-22CompleteMerger Sub incorporated February 14, 2023 in Delaware; EIN 92-1187453. Sole purpose entity for effecting the merger.
2.4Corporate ApprovalsPVAC Special Meeting of Shareholders — Approval of Business Combination, re-domestication, and related proposalsHargrove Slater & Dunn LLP / Aldridge Proxy Advisors LLC2023-06-132023-06-13CompleteSpecial meeting held June 13, 2023. Record date: May 22, 2023. Proxy mailing date: May 24, 2023. Proxy solicitor: Aldridge Proxy Advisors LLC (Patrick Moran). All proposals approved.
2.5Corporate ApprovalsHBT Written Consent of Stockholders — Approval of Business Combination Agreement and mergerCalderwood & Harkness LLP2023-03-222023-03-22CompleteWritten consent obtained from holders of majority of outstanding HBT shares: Ridgeline Ventures Fund III, LP (34.2%), Northbridge Life Sciences Partners, LP (22.8%), Dr. Priya Nandakumar (14.6%), Dr. James Whitfield (9.1%).

CATEGORY 3: REGULATORY FILINGS AND SEC MATTERS

3.1SEC / RegulatoryRegistration Statement on Form S-4 — Initial filing with SECCalderwood & Harkness LLP / Hargrove Slater & Dunn LLP2023-04-072023-04-07CompleteFiled April 7, 2023. File No. 333-271498; CIK 0001893742.
3.2SEC / RegulatorySEC Staff Comment Letter — Received and reviewedCalderwood & Harkness LLP / Hargrove Slater & Dunn LLP2023-04-282023-04-28CompleteComment letter dated April 28, 2023. Comments addressed dilution from Sponsor founder shares and warrants (2,500,000 warrants at $11.50 strike), earnout milestones, redemption scenarios, background of transaction, pro forma financials, and risk factors.
3.3SEC / RegulatoryResponse to SEC Comment LetterCalderwood & Harkness LLP2023-05-102023-05-10CompleteResponse letter dated May 10, 2023, filed on behalf of PVAC.
3.4SEC / RegulatoryAmendment No. 1 to Form S-4Calderwood & Harkness LLP / Hargrove Slater & Dunn LLP2023-05-122023-05-12CompleteFiled May 12, 2023 incorporating responsive changes.
3.5SEC / RegulatoryForm S-4 declared effective by SECSEC2023-05-192023-05-19CompleteEffective May 19, 2023.
3.6SEC / RegulatoryDefinitive Proxy Statement / Prospectus — Mailing to PVAC shareholdersAldridge Proxy Advisors LLC / Hargrove Slater & Dunn LLP2023-05-242023-05-24CompleteMailed May 24, 2023 to shareholders of record as of May 22, 2023.
3.7SEC / RegulatoryForm 8-K (Super 8-K) — Report of closing of Business CombinationHargrove Slater & Dunn LLP2023-06-202023-06-20CompleteFiled June 20, 2023 reporting consummation of Business Combination.
3.8SEC / RegulatoryHSR Act FilingN/AN/ANo Hart-Scott-Rodino filing required; transaction does not meet HSR thresholds and biotech target has no overlapping products with SPAC shell.

CATEGORY 4: RE-DOMESTICATION AND FORMATION DOCUMENTS

4.1Re-DomesticationPVAC De-Registration from Cayman Islands — Filing with Cayman Islands RegistrarHargrove Slater & Dunn LLP2023-06-152023-06-15CompletePVAC originally incorporated March 3, 2021 in Cayman Islands as exempted company. De-registration effective June 15, 2023.
4.2Re-DomesticationPVAC Certificate of Domestication and Certificate of Incorporation — Filed with Delaware Secretary of StateHargrove Slater & Dunn LLP2023-06-152023-06-15CompleteRe-domestication to Delaware effective June 15, 2023. PVAC becomes Delaware corporation. Registered Agent: Cascade Systems, 160 Greentree Drive, Suite 101, Dover, DE 19904.
4.3Re-DomesticationName Change — PVAC renamed Helix Bio Therapeutics Holdings Inc.Hargrove Slater & Dunn LLP2023-06-202023-06-20CompleteEffected via Amended and Restated Certificate of Incorporation at closing.

CATEGORY 5: MERGER FILINGS

5.1

CATEGORY 6: NASDAQ LISTING

6.1NasdaqNasdaq Listing Application for post-combination entityHargrove Slater & Dunn LLP2023-06-152023-06-15CompleteApplication No. HBIO-2023-0615. Post-closing ticker: HBIO.
6.2NasdaqNasdaq approval of listing of HBIO common stock and warrantsNasdaq2023-06-192023-06-19CompleteListing approved. First trading day: June 21, 2023.
6.3NasdaqDelisting of PVAC units (PVAC.U), Class A shares (PVAC), and warrants (PVAC.W)Nasdaq / Hargrove Slater & Dunn LLP2023-06-202023-06-20CompleteEffective upon closing.

CATEGORY 7: TRUST AND FUNDING

7.1Trust / FundingTrust Disbursement Letter to Grandview Trust Company, N.A.Hargrove Slater & Dunn LLP2023-06-202023-06-20CompleteGrandview Trust Company, N.A., 388 Greenwich Street, New York, NY 10013. Instructs release of trust account balance of $51,247,813.55.
7.2Trust / FundingShareholder Redemptions — Payment to redeeming PVAC Class A shareholdersGrandview Trust Company, N.A.2023-06-202023-06-20Complete2,814,390 of 5,000,000 Class A shares redeemed at ~$10.25/share. Total redemption payments: $28,847,497.50.
7.3Trust / FundingRelease of remaining trust proceeds to combined companyGrandview Trust Company, N.A.2023-06-202023-06-20CompleteTrust proceeds post-redemption: $51,247,813.55 − $28,847,497.50 = $22,400,316.05 released to combined company.
7.4Trust / FundingPIPE Funding — Brindoval Capital Management, LP ($15,000,000)Brindoval Capital Management, LP2023-06-202023-06-20Complete1,500,000 shares at $10.00/share. Wire received. Contact: Thomas Yeung, Managing Partner, 600 Montgomery Street, Suite 2800, San Francisco, CA 94111.
7.5Trust / FundingPIPE Funding — Lakepoint Health Opportunities Fund, LP ($5,000,000)Lakepoint Health Opportunities Fund, LP2023-06-202023-06-20Complete500,000 shares at $10.00/share. Wire received. Contact: Diana Strickland, Principal, 399 Park Avenue, 18th Floor, New York, NY 10022.
7.6Trust / FundingVerification of Minimum Cash Condition (BCA §7.03(c))Calderwood & Harkness LLP2023-06-202023-06-20CompleteMinimum cash condition: ≥ $30,000,000. Actual net cash at closing: $36,400,316.05. Condition satisfied. Calculation: Trust post-redemption ($22,400,316.05) + PIPE ($20,000,000) − Est. Transaction Expenses ($6,000,000) = $36,400,316.05.
7.7Trust / FundingFunds Flow Memorandum — executed by all partiesCalderwood & Harkness LLP2023-06-202023-06-20CompleteGoverns disbursement of all closing funds including trust proceeds, PIPE proceeds, and payment of transaction expenses.

CATEGORY 8: TRANSACTION EXPENSE PAYMENTS

8.1Transaction ExpensesDeferred Underwriting Commission — Birchwood Partners LLCHargrove Slater & Dunn LLP2023-06-202023-06-20Complete$1,750,000 (3.5% of $50,000,000 IPO proceeds). Birchwood Partners LLC, 200 West 57th Street, Suite 1400, New York, NY 10019.
8.2Transaction ExpensesAdvisory Fee — Birchwood Partners LLCHargrove Slater & Dunn LLP2023-06-202023-06-20Complete$500,000 flat advisory fee. Graham Hollis, Managing Director.
8.3Transaction ExpensesAdvisory Fee — Calvert & Wren Advisory LLCCalderwood & Harkness LLP2023-06-202023-06-20Complete$750,000 flat advisory fee payable at closing. Rachel Dominguez, Senior Managing Director. 100 Summer Street, Suite 2200, Boston, MA 02110.
8.4Transaction ExpensesLegal Fees — Calderwood & Harkness LLP (counsel to HBT)Calderwood & Harkness LLP2023-06-202023-06-20CompleteEstimated $1,200,000. One Federal Street, 42nd Floor, Boston, MA 02110.
8.5Transaction ExpensesLegal Fees — Hargrove Slater & Dunn LLP (counsel to PVAC/Sponsor)Hargrove Slater & Dunn LLP2023-06-202023-06-20CompleteEstimated $950,000. 575 Lexington Avenue, 20th Floor, New York, NY 10022.
8.6Transaction ExpensesD&O Tail Policy Premium — Ridgepoint Specialty Insurance CompanyCalderwood & Harkness LLP2023-06-202023-06-20Complete$485,000. Policy No. RSI-DOT-2023-04871. Six-year tail D&O policy.
8.7Transaction ExpensesSEC Filing, Printing, Proxy Solicitation, and Miscellaneous CostsVarious2023-06-202023-06-20CompleteEstimated $365,000. Includes SEC filing fees, financial printer, Aldridge Proxy Advisors LLC fees, and other misc.
8.8Transaction ExpensesTotal Estimated Transaction ExpensesComplete$6,000,000 (sum of Items 8.1–8.7: $1,750,000 + $500,000 + $750,000 + $1,200,000 + $950,000 + $485,000 + $365,000).

CATEGORY 9: THIRD-PARTY CONSENTS AND NOTICES

9.1Consents / NoticesConsent to Assignment — Exclusive License Agreement with Regents of Graystone University (License No. GU-2019-0914-HBT, dated September 14, 2019)Calderwood & Harkness LLP / HBT2023-06-152023-05-30CompleteChange-of-control consent required under license agreement for HBT-301 gene-editing platform IP. Consent obtained May 30, 2023.
9.2Consents / NoticesNotice to Meridian Pharmaceuticals Inc. — Collaboration and Option Agreement (Ref. MPI-COA-2021-0308, dated March 8, 2021)Calderwood & Harkness LLP / HBT2023-04-072023-04-03CompleteNo change-of-control consent required; notice of change of control required and delivered April 3, 2023. Relates to HBT-502 preclinical compound.
9.3Consents / NoticesLandlord Consent — Kendall Square Properties Trust (Lease No. KSP-2020-0800)Calderwood & Harkness LLP / HBT2023-06-152023-06-05CompleteLease: 450 Kendall Street, Suite 800, Cambridge, MA 02142. 10-year lease commenced January 1, 2020. 18,400 RSF at $62.00/RSF; annual base rent $1,140,800. Landlord consent to assignment obtained June 5, 2023.

CATEGORY 10: OFFICER CERTIFICATES AND CLOSING CERTIFICATES

10.1Closing CertificatesOfficer's Certificate of HBT — Bring-down of representations and warranties; satisfaction of closing conditionsCalderwood & Harkness LLP / HBT2023-06-202023-06-20CompleteExecuted by Dr. Priya Nandakumar, CEO of HBT.
10.2Closing CertificatesOfficer's Certificate of PVAC — Bring-down of representations and warranties; satisfaction of closing conditionsHargrove Slater & Dunn LLP / PVAC2023-06-202023-06-20CompleteExecuted by Derek Holroyd, CEO of PVAC.
10.3Closing CertificatesSecretary's Certificate of HBT — Attaching certificate of incorporation, bylaws, board resolutions, stockholder approval, and good standing certificateCalderwood & Harkness LLP / HBT2023-06-202023-06-20CompleteHBT incorporated June 12, 2018 in Delaware. EIN: 83-2947156. Registered Agent: CT Statutory Services, 1209 Orange Street, Wilmington, DE 19801.
10.4Closing CertificatesSecretary's Certificate of PVAC — Attaching organizational documents, board resolutions, stockholder approval, and good standing certificateHargrove Slater & Dunn LLP / PVAC2023-06-202023-06-20CompletePVAC EIN: 87-1630284.
10.5Closing CertificatesGood Standing Certificate — HBT from Delaware Secretary of StateCalderwood & Harkness LLP2023-06-202023-06-19CompleteDated within 5 business days of closing.
10.6Closing CertificatesGood Standing Certificate — PVAC (post-re-domestication) from Delaware Secretary of StateHargrove Slater & Dunn LLP2023-06-202023-06-19CompleteDated within 5 business days of closing.

CATEGORY 11: LEGAL OPINIONS

11.1Legal OpinionsLegal Opinion of Calderwood & Harkness LLP (counsel to HBT) delivered to PVACCalderwood & Harkness LLP2023-06-202023-06-20CompleteOpines: (i) HBT duly organized, validly existing, good standing under DE law; (ii) requisite corporate power and authority; (iii) BCA and ancillary agreements duly authorized, executed, delivered; legal, valid, binding obligations; (iv) no violation of charter, bylaws, or DE law. Subject to customary assumptions, qualifications, and limitations.
11.2Legal OpinionsLegal Opinion of Hargrove Slater & Dunn LLP (counsel to PVAC) delivered to HBTHargrove Slater & Dunn LLP2023-06-202023-06-20CompleteOpines as to due organization, authority, and enforceability of BCA for PVAC and Merger Sub. Subject to customary qualifications.

CATEGORY 12: INSURANCE

12.1

CATEGORY 13: TRANSFER AGENT AND STOCK ISSUANCES

13.1Transfer Agent / StockEngagement of Transfer Agent — Adriatic Health IT of Delaware, Inc.Hargrove Slater & Dunn LLP2023-06-202023-06-20Complete1 Ashbury Asset Advisors, 30th Floor, New York, NY 10004. Serves as transfer agent for Helix Bio Therapeutics Holdings Inc. common stock post-closing.
13.2Transfer Agent / StockIssuance of Merger Consideration Shares to former HBT equityholdersContinental Stock Transfer & Trust Co. of DE2023-06-202023-06-20Complete4,000,000 shares of Class A common stock at $10.00 deemed value per share ($40,000,000 total). Includes: Ridgeline Ventures Fund III, LP (34.2% pre-closing), Northbridge Life Sciences Partners, LP (22.8%), Dr. Priya Nandakumar (14.6%), Dr. James Whitfield (9.1%), other holders (19.3%).
13.3Transfer Agent / StockIssuance of PIPE SharesContinental Stock Transfer & Trust Co. of DE2023-06-202023-06-20Complete2,000,000 total PIPE shares: 1,500,000 to Brindoval Capital Management, LP; 500,000 to Lakepoint Health Opportunities Fund, LP.
13.4Transfer Agent / StockConversion of PVAC Class B Founder Shares to Class A common stock (net of forfeiture)Continental Stock Transfer & Trust Co. of DE2023-06-202023-06-20Complete1,250,000 Class B shares; 375,000 forfeited; 875,000 converted to Class A common stock. Held by Pinnacle Venture Sponsor LLC.
13.5Transfer Agent / StockConfirmation of non-redeeming PVAC public shareholder positionsContinental Stock Transfer & Trust Co. of DE2023-06-202023-06-20Complete5,000,000 original Class A shares − 2,814,390 redeemed = 2,185,610 non-redeemed shares.
13.6Transfer Agent / StockPublic Warrants — Confirmation of outstanding warrantsContinental Stock Transfer & Trust Co. of DE2023-06-202023-06-20Complete2,500,000 warrants outstanding (5,000,000 IPO units × ½ warrant per unit). Strike price: $11.50/share.
13.7Transfer Agent / StockEarnout Shares — Letter Agreement confirming earnout entitlementsCalderwood & Harkness LLP2023-06-202023-06-20Complete500,000 earnout shares in two tranches: Tranche 1: 250,000 shares if VWAP ≥ $14.00 for 20 of 30 trading days within 36 months post-closing; Tranche 2: 250,000 shares if VWAP ≥ $16.00 for 20 of 30 trading days within 36 months post-closing. Shares issuable to former HBT equityholders.

CATEGORY 14: AUDITOR CONSENTS

14.1Auditor ConsentsConsent of Whitmore & Gaines LLP (HBT auditor) for inclusion of audited financial statements in proxy statement/prospectusCalderwood & Harkness LLP / Whitmore & Gaines LLP2023-05-122023-05-12CompleteAudited financial statements for HBT fiscal years 2021 and 2022. HBT 2022 revenue: $2,100,000; 2022 net loss: ($18,400,000); cash 12/31/2022: $9,700,000. Engagement Partner: Leonard Brixton. Two Center Plaza, 14th Floor, Boston, MA 02108.
14.2Auditor ConsentsConsent of Prescott Townsend & Associates LLP (PVAC auditor) for inclusion of audited financial statements in proxy statement/prospectusHargrove Slater & Dunn LLP / Prescott Townsend & Associates LLP2023-05-122023-05-12CompleteEngagement Partner: Deborah Kline. 1345 Avenue of the Americas, 28th Floor, New York, NY 10105.

CATEGORY 15: POST-CLOSING GOVERNANCE

15.1Post-Closing GovernanceAppointment of Post-Closing Board of Directors of Helix Bio Therapeutics Holdings Inc.Calderwood & Harkness LLP / Hargrove Slater & Dunn LLP2023-06-202023-06-20CompletePost-closing board includes designees of former HBT equityholders and PVAC/Sponsor.
15.2Post-Closing GovernanceAppointment of Post-Closing Officers of Helix Bio Therapeutics Holdings Inc.Calderwood & Harkness LLP2023-06-202023-06-20CompleteDr. Priya Nandakumar appointed CEO of combined company.
15.3Post-Closing GovernancePost-Closing Headquarters Confirmation2023-06-202023-06-20CompleteCombined company headquarters: 450 Kendall Street, Suite 800, Cambridge, MA 02142.

[sheet: Post-Closing Cap Table]

HolderShare ClassSharesPercentage of Undiluted TotalNotes
Former HBT EquityholdersClass A Common Stock400000044.1%Merger consideration: $40,000,000 ÷ $10.00/share
Non-Redeeming PVAC Public ShareholdersClass A Common Stock218561024.1%5,000,000 original Class A shares − 2,814,390 redeemed
PIPE Investors — Brindoval Capital Management, LPClass A Common Stock150000016.6%$15,000,000 at $10.00/share
PIPE Investors — Lakepoint Health Opportunities Fund, LPClass A Common Stock5000005.5%$5,000,000 at $10.00/share
Pinnacle Venture Sponsor LLC (net of forfeiture)Class A Common Stock (converted from Class B)8750009.7%1,250,000 founder shares − 375,000 forfeited; 12-month lock-up
TOTAL UNDILUTED9060610100.0%
Earnout Shares (contingent — Tranche 1)Class A Common Stock (if triggered)250000—VWAP ≥ $14.00 for 20/30 trading days within 36 months
Earnout Shares (contingent — Tranche 2)Class A Common Stock (if triggered)250000—VWAP ≥ $16.00 for 20/30 trading days within 36 months
Public WarrantsWarrants (exercise into Class A)2500000—Strike price: $11.50/share
TOTAL FULLY DILUTED (if all earnout and warrants exercised)12060610—9,060,610 + 500,000 (earnout) + 2,500,000 (warrants)

[sheet: Key Dates]

DateEventResponsible PartyChecklist Item Ref.
2023-01-30Engagement opened; LOI executed between HBT and PVACCalderwood & Harkness LLP / Hargrove Slater & Dunn LLP—
2023-02-14Pinnacle Merger Sub Inc. incorporated in DelawareHargrove Slater & Dunn LLP2.3
2023-03-20PVAC Board approval of Business Combination AgreementHargrove Slater & Dunn LLP2.1
2023-03-21HBT Board approval of Business Combination AgreementCalderwood & Harkness LLP2.2
2023-03-22Business Combination Agreement signed; Sponsor Support Agreement and PIPE Subscription Agreements executedAll parties1.1–1.4
2023-04-03Notice delivered to Meridian Pharmaceuticals Inc. (Ref. MPI-COA-2021-0308)HBT9.2
2023-04-07Form S-4 initial filing with SEC (File No. 333-271498)Calderwood & Harkness LLP3.1
2023-04-28SEC comment letter receivedSEC3.2
2023-05-10Response to SEC comment letter filedCalderwood & Harkness LLP3.3
2023-05-12Amendment No. 1 to Form S-4 filed; auditor consents deliveredCalderwood & Harkness LLP3.4, 14.1, 14.2
2023-05-19Form S-4 declared effective by SECSEC3.5
2023-05-22PVAC record date for special meetingPVAC2.4
2023-05-24Proxy mailing dateAldridge Proxy Advisors LLC3.6
2023-05-30Graystone University license consent obtained (License No. GU-2019-0914-HBT)HBT / Calderwood & Harkness LLP9.1
2023-06-05Landlord consent obtained — Kendall Square Properties Trust (Lease No. KSP-2020-0800)HBT / Calderwood & Harkness LLP9.3
2023-06-13PVAC special meeting of shareholders — all proposals approvedAldridge Proxy Advisors LLC2.4
2023-06-15PVAC re-domestication to Delaware effective; Nasdaq listing application filedHargrove Slater & Dunn LLP4.1, 4.2, 6.1
2023-06-19Nasdaq approval of HBIO listing; Good Standing Certificates obtainedNasdaq / Calderwood & Harkness LLP / Hargrove Slater & Dunn LLP6.2, 10.5, 10.6
2023-06-20Closing of Business Combination — Certificate of Merger filed; trust disbursed; PIPE funded; all closing deliverables exchangedAll partiesMultiple
2023-06-21First trading day of HBIO on NasdaqNasdaq6.2