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20260309_CHEK_Laporan Bulanan Registrasi Pemegang Efek//Perubahan Struktur Pemegang Saham_32052313.pdf

Shareholder register Needs review CHEK

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Page 1
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 Nomor Surat                          096/DIR/DB/III/2026

 Nama Perusahaan                      PT Diastika Biotekindo Tbk

 Kode Emiten                          CHEK

 Papan Pencatatan                     Pengembangan

 Lampiran                             2

 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 Bursa Nomor I-A 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 28 Februari 2026
Sebagai Berikut :

Biro Administrasi Efek: PT. Adimitra Jasa Korpora
Page 2
                                                                       Persen
                                                                                  Jumlah      Persen
                                                          Jumlah Saham Saham                                         Afiliasi   Afiliasi Pemilik
                  Nama         Alamat         Jabatan                           Saham Bulan Saham Bulan Pengendali
                                                           Sebelumnya Sebelumny                                    Pengendali       Manfaat
                                                                                    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               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          Afiliasi Pemilik
                    Nama          Alamat           Jabatan                             Saham Bulan Saham Bulan Pengendali
                                                                  Sebelumnya Sebelumny                                    Pengendali              Manfaat
                                                                                           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   Afiliasi Pemilik
                    Nama          Alamat                              Saham Bulan Saham Bulan Pengendali
                                                 Sebelumnya Sebelumny                                         Pengendali       Manfaat
                                                                          Ini         Ini
                                                                a
                   PT Optel      Tangerang,    2.488.367.736       60,5% 2.488.367.73        60,5%
                  Investama        Ruko De                                          6
                               Mansion Blok E
                                                                                                          X                       X
                                 No. 7, Alam
   Pemegang                    Sutera, RT/RW
   saham 5%                        001/014
                  Dra TH M       Jalan Rawa      650.179.697      15,81% 650.179.697         15,81%
 (lima persen)
                 Nelly Susanti Gelam V Blok L,
    atau lebih
                                 Kav. 11-13,
                               Gedung Etana
                                   Lantai 3,
                               Desa/Kelurahan
                                 Jatinegara,
                                Kec. Cakung,
                                  Kota Adm.
                                Jakarta Timur,
                                Jakarta 13930


Pemegang Saham < 5%


                                                             0       0%            0            0%
               Publik - Warkat
Page 4
                                             862.433.000    20,95%     862.433.00        20,95%
           Publik - Non Warkat                                                  0

                                                       0          0%            0            0%
            Saham Treasuri

                                            4.113.331.48      100%     862.433.000        20,95%
                  Total                                5




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 portfolio investasi dengan penerima manfaat
                                                                                                   0                    0
investor publik yang telah disetujui Bursa untuk diperhitungkan
sebagai Free Float

 Jumlah saham Free Float                                                              862.433.000            862.433.000


Jumlah saham tercatat di Bursa per akhir bulan                                       4.113.331.485         4.113.331.485


% Saham Free Float                                                                          20,97                   20,97
Page 5
                                                                 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


                                5.347                              5.068                                    279



Pemilik Manfaat dari PT Diastika Biotekindo Tbk

                                                                                                       Pemegang Saham
       Nomor                                               Nama                                           Langsung
                                                                                                          Perseroan
          1                                           Laurentia Hariadi                                     Tidak




Pemilik Manfaat dari Pemegang Saham lebih dari 10%




 Demikian untuk diketahui.


 Hormat Kami,
 PT Diastika Biotekindo Tbk
Page 6
Franciscus Xaverius Yoshua R

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                  10-03-2026 16:30

Lampiran                          1. Pengantar Laporan Bulanan CHEK - Feb26.pdf


                                  2. CHEK - LAPORAN BULAN FEBRUARI 2026.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 7
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 Letter / Announcement No.            096/DIR/DB/III/2026

 Issuer Name                          PT Diastika Biotekindo Tbk

 Issuer Code                          CHEK

 Listing Board                        Development

 Attachment                           2

 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 Exchange Regulation Number I-A 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 28 February
2026 as follows:

Security Administration Bureau: PT. Adimitra Jasa Korpora
Page 8
                                                            Number of Percent of Number of       Percent of                Affiliate of
                                                                                                                                           Affiliate of the
                   Name          Address        Position    Shares in Shares in Shares in        Shares in    Controller       the
                                                                                                                                          Beneficial Owner
                                                             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                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 9
                                                                Number of Percent of Number of              Percent of                Affiliate of
                                                                                                                                                       Affiliate of the
                   Name           Address        Position       Shares in Shares in Shares in               Shares in    Controller       the
                                                                                                                                                      Beneficial Owner
                                                                 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
                                                                                                                                   Affiliate of the
                   Name           Address      Shares in Shares in Shares in          Shares in     Controller         the
                                                                                                                                  Beneficial Owner
                                                Previous  Previous   Current           Current                     Controller
                  PT Optel   Tangerang, 2,488,367,736            60.5% 2,488,367,73        60.5%
                 Investama    Ruko De                                             6
                           Mansion Blok
                           E No. 7, Alam                                                                    X                            X
                               Sutera,
Shareholders                   RT/RW
 of 5% (five                  001/014
 percent) or  Dra TH M      Jalan Rawa    650,179,697           15.81% 650,179,697         15.81%
    more     Nelly Susanti Gelam V Blok
                           L, Kav. 11-13,
                           Gedung Etana
                              Lantai 3,
                           Desa/Kelurah
                           an Jatinegara,
                           Kec. Cakung,
                             Kota Adm.
                           Jakarta Timur,
                           Jakarta 13930
                                                            0        0%               0            0%
                 Public - Scrip

                                                 862.433.000     20,95%   862.433.00        20,95%
                Public - Scripless                                                 0
Page 10
                                                          0       0%             0           0%
             Treasury Stock

                                            4.113.331.48       100%    862.433.000        20,95%
                  Total                                5




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

 Number of investment portfolio shares with public investor
                                                                                                   0                         0
 beneficiaries that have been approved by the Exchange to be
 counted as Free Float

 The amount of Free Float Share                                                        862.433.000                862.433.000

 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                                                                         20,97                       20,97




           Remarks                    Previous Month             Previous Month Percentage              Current Month            Current Month Percentage

  Number of Unlisted Shares                   0                             0%                               0                             0%
Page 11
Number of Shareholders Holding SID Accounts


           Previous Month                        Current Month            Change


                                5.347                             5.068                    279



Beneficial Owner from PT Diastika Biotekindo Tbk

                                                                            Company’s Direct
       Number                                       Name
                                                                             Shareholders
          1                                   Laurentia Hariadi                    Tidak




Beneficial Owner of Shareholders more than 10%




 Thus to be informed accordingly.


 Respectfully,
 PT Diastika Biotekindo Tbk




 Franciscus Xaverius Yoshua R

 Direktur Utama
Page 12
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                        10-03-2026 16:30

Attachment                          1. Pengantar Laporan Bulanan CHEK - Feb26.pdf


                                    2. CHEK - LAPORAN BULAN FEBRUARI 2026.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.

File

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Source IDX
Size0.03 MB
Published10 Mar 2026
Pages12
Characters23,627
Text sourceEmbedded text layer
OCR confidence—

Names mentioned 15 people and organisations named in the text · linked when the evidence is strong

linked org Diastika Biotekindo Tbk · Nama Perusahaan p.1 ×45
linked person Nathan Tirtana · Komisaris p.2 ×2
possible — Sundoyo · Komisaris p.9
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 ×4
unresolved — Sebelumnya Sebelumny p.3
unresolved org PT Optel p.3 ×2
unresolved org Investama p.3
unresolved — Laurentia Hariadi p.5
unresolved — Franciscus Xaverius Yoshua R · Direktur Utama p.6 ×6
unresolved — Marcella · Direksi p.8
unresolved — Franciscus · Direksi p.8
unresolved person Function · Direktur Utama p.12

Extraction attempts how the parser did, and what it refused

Nothing structured was extracted from this document — the attempts below say why.

Rule parser Needs review confidence 0.300 288 ms 12 Sep 2026 22:30

checksum: parts=4000980433 vs Total=862433000; too few fields to persist

Raw output
{'aggregates': {'total': {'pct': '20.95', 'shares': '862433000'},
                'treasury': {'pct': '0', 'shares': '0'},
                'under5_non_warkat': {'pct': '20.95', 'shares': '862433000'},
                'under5_warkat': {'pct': '0', 'shares': '0'}},
 'as_of_date': '2026-02-28',
 'checksum_ok': False,
 'checksum_parts': '4000980433',
 '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',
              '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': '096/DIR/DB/III/2026',
 'listing_board': 'Pengembangan',
 'period_label': 'Februari 2026',
 'registrar': 'PT. Adimitra Jasa Korpora',
 'total_shares': '862433000'}
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