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20260608_CHEK_Laporan Bulanan Registrasi Pemegang Efek//Perubahan Struktur Pemegang Saham_32098057.pdf
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Page 1
Go To English Page Nomor Surat 117/DIR/DB/VI/2026 Nama Perusahaan PT Diastika Biotekindo Tbk Kode Emiten CHEK Papan Pencatatan Pengembangan Lampiran 1 Perihal Laporan Bulanan Registrasi Pemegang Efek Bersama ini PT Diastika Biotekindo Tbk menyatakan: 1. Bertanggung jawab atas penyusunan dan penyajian Laporan Bulanan Registrasi Pemegang Efek (LBRE). 2. Semua informasi dalam LBRE telah dimuat secara lengkap dan benar, tidak mengandung informasi atau fakta material yang tidak benar, dan tidak menghilangkan informasi atau fakta material. 3. Perhitungan Free Float telah disajikan sesuai dengan Peraturan Pencatatan Bursa Nomor I-A dan/atau I-V tentang Pencatatan Saham dan Efek Bersifat Ekuitas Selain Saham yang Diterbitkan oleh Perusahaan Tercatat, termasuk telah mengeluarkan kepemilikan saham oleh pihak Pengendali dan Afiliasi dari Pengendali, dan Afiliasi dari Pemilik Manfaat; dimiliki oleh anggota Dewan Komisaris atau anggota Direksi; dan saham yang telah dibeli kembali oleh perusahaan. Direksi atas nama PT Diastika Biotekindo Tbk bertanggung jawab penuh atas informasi yang tertera didalam dokumen ini. Perseroan menyampaikan Laporan Bulanan Registrasi Pemegang Efek yang berakhir pada akhir bulan Mei - 2026 Sebagai Berikut : Biro Administrasi Efek: PT. Adimitra Jasa Korpora
Page 2
Persen
Jumlah Persen
Jumlah Saham Saham Afiliasi
Nama Alamat Jabatan Saham Bulan Saham Bulan Pengendali
Sebelumnya Sebelumny Pengendali
Ini Ini
a
Nathan Tirtana Jalan Rawa Komisaris 0 0% 0 0%
Gelam V Blok L,
Kav. 11-13,
Gedung Etana
Lantai 3,
Desa/Kelurahan X
Jatinegara,
Kec. Cakung,
Kota Adm.
Jakarta Timur,
Jakarta 13930
Marcella Kawasan Direksi 0 0% 0 0%
Angelin Industri
Pulogadung, Jl.
Rawa Gelam V
Blok. L Kav.11-
13Kawasan
Pemegang Industri Pulo
Gadung,
Saham
Jakarta Timur
Direksi dan Franciscus Kawasan 0 0% 0 0%
Direksi
Komisaris Xaverius Industri
Pulogadung, Jl.
Rawa Gelam V
Blok. L Kav.11- X
13Kawasan
Industri Pulo
Gadung,
Jakarta Timur
Dra TH M Jalan Rawa Komisaris 650.179.697 15,81% 650.179.697 15,81%
Nelly Susanti Gelam V Blok L,
Kav. 11-13,
Gedung Etana
Lantai 3,
Desa/Kelurahan
Jatinegara,
Kec. Cakung,
Kota Adm.
Jakarta Timur,
Jakarta 13930
Page 3
Persen
Jumlah Persen
Jumlah Saham Saham Afiliasi
Nama Alamat Jabatan Saham Bulan Saham Bulan Pengendali
Sebelumnya Sebelumny Pengendali
Ini Ini
a
Sundoyo Jalan Rawa Komisaris 0 0% 0 0%
Pemegang Gelam V Blok L,
Saham Kav. 11-13,
Gedung Etana
Direksi dan
Lantai 3,
Komisaris
Desa/Kelurahan
Jatinegara,
Kec. Cakung,
Kota Adm.
Jakarta Timur,
Jakarta 13930
Persen
Jumlah Persen
Jumlah Saham Saham Afiliasi
Nama Alamat Saham Bulan Saham Bulan Pengendali
Sebelumnya Sebelumny Pengendali
Pemegang Ini Ini
a
saham 5% PT Optel Tangerang, 2.488.367.736 60,5% 2.488.367.73 60,5%
(lima persen) Investama Ruko De 6
atau lebih Mansion Blok E
X
No. 7, Alam
Sutera, RT/RW
001/014
Pemegang Saham < 5%
112.351.052 2,74% 112.351.05 2,74%
Pemegang Saham < 5% - Warkat 2
862.433.000 20,95% 862.433.00 20,95%
Pemegang Saham < 5% - Non Warkat 0
0 0% 0 0%
Saham Treasuri
4.113.331.48 100% 4.113.331.48 100%
Total 5 5
Page 4
Jumlah Saham Scrip dan Scripless berdasarkan Tipe dan Klasifikasi Investor
Tipe dan Klasifikasi Investor Jumlah Saham
Afiliasi dari pengendali 112.351.052
Direksi dan Dewan Komisaris 650.179.697
Karyawan (hanya saham yang dibatasi pengalihan
0
kepemilikannya)
Pengendali 2.488.367.736
Saham Tresuri 0
Jumlah Saham Scripless berdasarkan Tipe dan Klasifikasi Investor dari KSEI
Tipe dan Klasifikasi Investor Jumlah Saham
Bank 178.500
Government -
Private Equity 79.073.800
Trustee Bank -
Venture Capital -
Private Bank -
Exchange Traded Funds -
Investment Manager -
Investment Advisors 831.700
Brokerage Firms -
Page 5
Hedge Fund - Sovereign Wealth Fund - Capital Market Supporting Institutions and Professions - Commanditaire Vennootschap (CV) or Limited partnership 67.671.400 Firm - Invesment Fund Selling Agent - Peer to peer lending - Permanent establishment - Sole proprietorship - Corporate 336.340.000 Association/social organization - State-owned enterprises - Central Bank - State Owned Company - Diocese - Conference - Congregation - Cooperatives - International organization - Political parties -
Page 6
Partnership - Educational Institution - Mutual Funds (MF) - Securities Company (SC) 3.200 Pension Funds (PF) - Financial Institutional (IB) - Insurance (IS) - Foundation (FD) - Individual (ID) 378.334.400 *Data klasifikasi investor yang disajikan dalam laporan ini bersumber dari informasi yang disampaikan oleh Pemegang Rekening KSEI berdasarkan hasil verifikasi yang dilakukan melalui proses Know Your Customer (KYC) atas data investor yang dikelolanya. Penetapanan klasifikasi investor dilakukan oleh masing-masing Pemegang Rekening KSEI dengan mengacu pada definisi dan panduan klasifikasi investor yang telah disediakan oleh KSEI. Keakuratan maupun kesesuaian pada penentuan klasifikasi investor yang tersaji dalam laporan ini menjadi tanggung jawab masing-masing Pemegang Rekening KSEI yang melakukan proses klasifikasi tersebut.
Page 7
Informasi Saham Free Float
Keterangan Bulan Sebelumnya Bulan Ini
Jumlah saham non-warkat dimiliki oleh seluruh pemegang
862.433.000 862.433.000
saham kurang dari 5%
Jumlah saham non-warkat dimiliki oleh Direksi dan Dewan
0 0
Komisaris kurang dari 5%
Jumlah saham non-warkat dimiliki oleh Pengendali kurang dari 5% 0 0
Jumlah saham non-warkat dimiliki oleh Afiliasi dari Pengendali 0 0
kurang dari 5%
Jumlah saham tresuri non-warkat kurang dari 5% 0 0
Jumlah saham yang harus dibatasi pengalihan kepemilikannya
0 0
(lock up) baik berdasarkan Peraturan maupun bagian tindakan
korporasi Perusahaan Tercatat kurang dari 5%
Jumlah saham non-warkat dimiliki oleh Perusahaan Modal 79.073.800 79.073.800
Ventura dan Private Equity kurang dari 5%
Jumlah saham non-warkat yang berada dalam status sita atau 0 0
blokir oleh Aparat Penegak Hukum atau Otoritas yang
berwenang kurang dari 5%
Jumlah saham dengan penerima manfaat investor publik yang 0 0
telah disetujui Bursa untuk diperhitungkan sebagai Free Float
(Ketentuan V.2 Peraturan I-A dan Ketentuan V.2 Peraturan I-V)
Jumlah saham Free Float 783.359.200 783.359.200
Jumlah saham tercatat di Bursa per akhir bulan 4.113.331.485 4.113.331.485
% Saham Free Float 19,04 19,04
Page 8
Persentase Bulan
Keterangan Bulan Sebelumnya Bulan Ini Persentase Bulan Ini
Sebelumnya
Jumlah saham tidak tercatat 0 0% 0 0%
Jumlah Pemegang Saham Nasabah Pemilik SID
Bulan Sebelumnya Bulan Sekarang Perubahan
4.739 5.059 320
Pemilik manfaat (pengendali tingkat individu) yang terdiri dari satu pihak atau kelompok yang terorganisasi dari PT Diastika Biotekindo
Tbk
Pemegang Saham
Nama Pemegang % Kepemilikan
Nomor Nama Pemilik Manfaat Alamat Langsung
Saham Langsung Saham*
Perseroan
1 Laurentia Hariadi Jakarta Tidak 0 0%
* Persentase Kepemilikan, jika pemegang kolom pemegang saham langsung diisi:
- Ya : maka merupakan % kepemilikan pemilik manfaat langsung ke Perseroan
- Tidak : maka merupakan % kepemilikan pemengang saham langsung ke Perseroan
Demikian untuk diketahui.
Hormat Kami,
PT Diastika Biotekindo Tbk
Franciscus Xaverius Yoshua R
Page 9
Direktur Utama
PT Diastika Biotekindo Tbk
Kawasan Industri Pulogadung, Jl. Rawa Gelam V Blok. L Kav.11-13
Telepon : (021)38865038, Fax : (021)4754707 , www.diastika.co.id
Nama Pengirim Franciscus Xaverius Yoshua R
Jabatan Direktur Utama
Tanggal dan Waktu 10-06-2026 10:51
Lampiran 1. Laporan Bulanan Registrasi Efek May 26 CHEK.pdf
Dokumen ini merupakan dokumen resmi PT Diastika Biotekindo Tbk yang tidak memerlukan tanda tangan karena
dihasilkan secara elektronik oleh sistem pelaporan elektronik. PT Diastika Biotekindo Tbk bertanggung jawab penuh
atas informasi yang tertera didalam dokumen ini.
Page 10
Go To Indonesian Page Letter / Announcement No. 117/DIR/DB/VI/2026 Issuer Name PT Diastika Biotekindo Tbk Issuer Code CHEK Listing Board Development Attachment 1 Subject Monthly Report of Securities Holders Registration Hereby, the Company declares that: 1. It is responsible for the preparation and presentation of the Monthly Securities Holder Registration Report. 2. All information contained in the LBRE has been fully and accurately disclosed, does not contain any incorrect material information or facts, and does not omit any material information or facts. 3. The Free Float calculation has been presented in accordance with Listing Exchange Regulation Number I-A and/or I-V concerning the Listing of Shares and Equity Securities Other Than Shares Issued by Listed Companies, including the exclusion of share ownership by the Controlling Shareholder and its Affiliates; affiliates of beneficial owner; members of the Board of Commissioners or the Board of Directors; and treasury shares repurchased by the Company. The Board of Directors of PT Diastika Biotekindo Tbk, on behalf of the Company, bears full responsibility for the information contained in this document. The Company hereby announce Monthly Report of Securities Holders Registration which ends in Mei - 2026 Security Administration Bureau: PT. Adimitra Jasa Korpora
Page 11
Number of Percent of Number of Percent of Affiliate of
Name Address Position Shares in Shares in Shares in Shares in Controller the
Previous Previous Current Current Controller
Nathan Tirtana Jalan Rawa Komisaris 0 0% 0 0%
Gelam V Blok L,
Kav. 11-13,
Gedung Etana
Lantai 3,
Desa/Kelurahan X
Jatinegara,
Kec. Cakung,
Kota Adm.
Jakarta Timur,
Jakarta 13930
Marcella Kawasan Direksi 0 0% 0 0%
Angelin Industri
Pulogadung, Jl.
Rawa Gelam V
Blok. L Kav.11-
13Kawasan
Board of Industri Pulo
Directors and Gadung,
Board of Jakarta Timur
Franciscus Kawasan Direksi 0 0% 0 0%
Commission
Xaverius Industri
ers Pulogadung, Jl.
Rawa Gelam V
Blok. L Kav.11- X
13Kawasan
Industri Pulo
Gadung,
Jakarta Timur
Dra TH M Jalan Rawa Komisaris 650,179,697 15.81% 650,179,697 15.81%
Nelly Susanti Gelam V Blok L,
Kav. 11-13,
Gedung Etana
Lantai 3,
Desa/Kelurahan
Jatinegara,
Kec. Cakung,
Kota Adm.
Jakarta Timur,
Jakarta 13930
Page 12
Number of Percent of Number of Percent of Affiliate of
Name Address Position Shares in Shares in Shares in Shares in Controller the
Previous Previous Current Current Controller
Sundoyo Jalan Rawa Komisaris 0 0% 0 0%
Board of
Gelam V Blok L,
Directors and Kav. 11-13,
Board of Gedung Etana
Commission Lantai 3,
ers Desa/Kelurahan
Jatinegara,
Kec. Cakung,
Kota Adm.
Jakarta Timur,
Jakarta 13930
Number of Percent of Number of Percent of Affiliate of
Name Address Shares in Shares in Shares in Shares in Controller the
Previous Previous Current Current Controller
Shareholders
of 5% (five PT Optel Tangerang, 2,488,367,736 60.5% 2,488,367,73 60.5%
Investama Ruko De 6
percent) or
more Mansion Blok
E No. 7, Alam X
Sutera,
RT/RW
001/014
Share Ownership of <5%
112.351.052 2,74% 112.351.05 2,74%
Share Ownership of <5% - Scrip 2
862.433.000 20,95% 862.433.00 20,95%
Share Ownership of <5% - Scripless 0
0 0% 0 0%
Treasury Stock
4.113.331.48 100% 4.113.331.48 100%
Total 5 5
Page 13
Number of Scrip and Scripless Shares based on Investor Type and Classification Investor Type & Classification Number of Shares Affiliation from Controller 112.351.052 BOD / BOC 650.179.697 Employee (lock up shares only) 0 Controller 2.488.367.736 Treasury 0 Number of Scripless Shares based on Investor Type and Classification from KSEI Investor Type & Classification Number of Shares Bank 178.500 Government - Private Equity 79.073.800 Trustee Bank - Venture Capital - Private Bank - Exchange Traded Funds - Investment Manager - Investment Advisors 831.700 Brokerage Firms -
Page 14
Hedge Fund - Sovereign Wealth Fund - Capital Market Supporting Institutions and Professions - Commanditaire Vennootschap (CV) or Limited partnership 67.671.400 Firm - Investment Fund Selling Agent - Peer to peer lending - Permanent establishment - Sole proprietorship - Corporate 336.340.000 Association/social organizations - State Owned Enterprises - Central Bank - State Owned Company - Diocese - Conference - Congregation - Cooperatives - International organization - Political parties -
Page 15
Partnership - Educational Institution - Mutual Funds (MF) - Securities Company (SC) 3.200 Pension Funds (PF) - Financial Institutional (IB) - Insurance (IS) - Foundation (FD) - Individual (ID) 378.334.400 *The investor classification data presented in this report is derived from information provided by KSEI Account Holders based on verification conducted through the Know Your Customer (KYC) process on the investor data under their management. The determination of investor classification is carried out by each KSEI Account Holder with reference to the definitions and investor classification guidelines provided by KSEI. The accuracy and appropriateness of the investor classification presented in this report remain the responsibility of each KSEI Account Holder that performs the classification process.
Page 16
Free Float Share Information
Information Previous Month This Month
The number of scripless shares owned by shareholders is less
862.433.000 862.433.000
than 5%
The number of scripless shares owned by the Board of Directors
0 0
and Board of Commissioners is less than 5%
The number of scripless shares owned by the Controller is less
0 0
than 5%
The number of scripless shares owned by Affiliates of the 0 0
Controller is less than 5%
The amount of scripless treasury stock is less than 5% 0 0
The number of shares owned less than 5% and subject to a lock-
up restriction, either based on regulations or the corporate 0 0
actions of the listed company.
The number of non-script shares owned less than 5% by venture 79.073.800 79.073.800
capital and private equity companies
The number of non-script shares owned less than 5% and 0 0
subject to confiscation or blocking by law enforcement officials or
authorized authorities.
Number of shares with public investor beneficiaries that have 0 0
been approved by IDX as Free Float (Provision V.2 of Regulation
I-A and Provision V.2 of Regulation I-V).
The amount of Free Float Share 783.359.200 783.359.200
The number of shares listed on the Exchange at the end of the
4.113.331.485 4.113.331.485
month
% Free Float Share 19,04 19,04
Page 17
Remarks Previous Month Previous Month Percentage Current Month Current Month Percentage
Number of Unlisted Shares 0 0% 0 0%
Number of Shareholders Holding SID Accounts
Previous Month Current Month Change
4.739 5.059 320
Beneficial owner (ultimate individual controller) consisting of one party or an organized group from PT Diastika
Biotekindo Tbk
Company’s Direct Direct Shareholder % Share
Number Beneficial Owner Name Address
Shareholders Name Ownership*
1 Laurentia Hariadi Jakarta No 0 0%
*Ownership Percentage, if the “Direct Shareholder” column is filled:
- Yes: represents the % ownership of the beneficial owner directly in the Company
- No: represents the % ownership of the direct shareholder in the Company
Thus to be informed accordingly.
Respectfully,
PT Diastika Biotekindo Tbk
Page 18
Franciscus Xaverius Yoshua R
Direktur Utama
PT Diastika Biotekindo Tbk
Kawasan Industri Pulogadung, Jl. Rawa Gelam V Blok. L Kav.11-13
Phone : (021)38865038, Fax : (021)4754707 , www.diastika.co.id
Sender Name Franciscus Xaverius Yoshua R
Function Direktur Utama
Date and Time 10-06-2026 10:51
Attachment 1. Laporan Bulanan Registrasi Efek May 26 CHEK.pdf
This is an official document of PT Diastika Biotekindo Tbk that does not require a signature as it was generated
electronically by the electronic reporting system. PT Diastika Biotekindo Tbk is fully responsible for the information
contained within this document.
Names mentioned 12 people and organisations named in the text · linked when the evidence is strong
unresolved
org
PT. Adimitra Jasa Korpora
· Biro Administrasi Efek
p.1 ×2
unresolved
person
Rawa
· Komisaris
p.2 ×6
unresolved
person
Xaverius
· Komisaris
p.2
unresolved
person
Dra TH M
p.2 ×2
unresolved
org
PT Optel
p.3 ×2
unresolved
—
Franciscus Xaverius Yoshua R
· Direktur Utama
p.9 ×6
unresolved
—
Marcella
· Direksi
p.11
unresolved
—
Franciscus
· Direksi
p.11
unresolved
person
Function
· Direktur Utama
p.18
Extraction attempts how the parser did, and what it refused
Nothing structured was extracted from this document — the attempts below say why.
Rule parser
OK
confidence 0.900
809 ms
12 Sep 2026 22:12
Raw output
{'aggregates': {'total': {'pct': '100', 'shares': '4113331485'},
'treasury': {'pct': '0', 'shares': '0'},
'under5_non_warkat': {'pct': '20.95', 'shares': '862433000'},
'under5_warkat': {'pct': '2.74', 'shares': '112351052'}},
'as_of_date': '2026-05-31',
'checksum_ok': True,
'checksum_parts': '4113331485',
'holders': [{'address': 'Jalan Rawa Gelam V Blok L, Kav. 11-13, Gedung Etana '
'Lantai 3, Desa/Kelurahan',
'category': 'BOARD',
'is_controller': False,
'is_controller_affiliate': True,
'name': 'Nathan Tirtana',
'page_no': 2,
'pct': '0',
'pct_prev': '0',
'position': 'Komisaris',
'seq': 0,
'shares': '0',
'shares_prev': '0'},
{'address': 'Jatinegara, Kec. Cakung, Kota Adm. Jakarta Timur, '
'Jakarta 13930 Kawasan Industri Pulogadung, Jl. Rawa '
'Gelam V Blok. L Kav.11-',
'category': 'BOARD',
'is_controller': False,
'is_controller_affiliate': False,
'name': 'Marcella Angelin',
'page_no': 2,
'pct': '0',
'pct_prev': '0',
'position': 'Direksi',
'seq': 1,
'shares': '0',
'shares_prev': '0'},
{'address': '13Kawasan Industri Pulo Gadung, Jakarta Timur '
'Kawasan Industri Pulogadung, Jl. Rawa Gelam V Blok. '
'L Kav.11-',
'category': 'BOARD',
'is_controller': False,
'is_controller_affiliate': True,
'name': 'Franciscus Xaverius',
'page_no': 2,
'pct': '0',
'pct_prev': '0',
'position': 'Direksi',
'seq': 2,
'shares': '0',
'shares_prev': '0'},
{'address': '13Kawasan Industri Pulo Gadung, Jakarta Timur Jalan '
'Rawa Gelam V Blok L,',
'category': 'BOARD',
'is_controller': False,
'is_controller_affiliate': False,
'name': 'Dra TH M Nelly Susanti',
'page_no': 2,
'pct': '15.81',
'pct_prev': '15.81',
'position': 'Komisaris',
'seq': 3,
'shares': '650179697',
'shares_prev': '650179697'},
{'address': 'Jalan Rawa Gelam V Blok L,',
'category': 'BOARD',
'is_controller': False,
'is_controller_affiliate': False,
'name': 'Sundoyo',
'page_no': 3,
'pct': '0',
'pct_prev': '0',
'position': 'Komisaris',
'seq': 4,
'shares': '0',
'shares_prev': '0'},
{'address': 'Tangerang, Ruko De Mansion Blok No. 7, Alam Sutera, '
'RT/RW 001/014',
'category': 'FIVE_PCT',
'is_controller': True,
'is_controller_affiliate': False,
'name': 'PT Optel Investama',
'page_no': 3,
'pct': '60.5',
'pct_prev': '60.5',
'position': '',
'seq': 5,
'shares': '2488367736',
'shares_prev': '2488367736'}],
'issuer_name': 'PT Diastika Biotekindo Tbk',
'issuer_ticker': 'CHEK',
'layout': 'EREP_COVER',
'letter_number': '117/DIR/DB/VI/2026',
'listing_board': 'Pengembangan',
'period_label': 'Mei 2026',
'registrar': 'PT. Adimitra Jasa Korpora',
'total_shares': '4113331485'}