Insiders Trades

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OS

Ong Siow Fong

Cumul. flow

Total declarations

23

Company

1

▲ Purchases (20 ops.)

€102k

▼ Sales (0 ops.)

—

Latest filing published 20 May 2026 for MDR LIMITED.

Filing timeline

BuySale

Ong Siow Fong

Insider track record

Disclosed buys

20

Disclosed sells

0

Signal history

Closed purchases

Market purchases

20

Not enough history yet: 0 closed purchases, at least 2 are needed.

Purchases by company

MDR LIMITED 20 purchases · last 20 May 2026

Ong Siow Fong: trading record in brief

Ong Siow Fong is a declared insider of MDR Limited, with filings sourced from SGX. Between 18 June 2018 and 18 May 2026, the trades on record add up to 23 filings.

No open-market sale appears; the market trades are 20 purchases worth €102k. The totals do not cover 1 filing with an undisclosed amount. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. 2026 to date brings 1 purchase and no sales.

In size, the median ticket on the buying side is €4,228. 2 out of 19 purchases came within 30 days of a purchase by at least one other insider of the same company. Purchases made close together by different insiders form what is called a cluster.

Most recently, on 20 May 2026, the filings show an open-market purchase in MDR Limited. Filings reach the SGX feed a median of 1 day after the trade. The shorter that gap, the sooner other investors can see what insiders have done. Source: insider filings from SGX. Past trades are no guide to future returns.

Companies and markets linked to Ong Siow Fong

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

MDR Limited (SG)

Declarations23 total

▲

Director/CEOExecutives18 May 2026MDR Limited

0SGX

3,814,500 sharesShareSGX-STSGXE29738106SGX:S4371PCQYASHYY3Z

Canonical exit: 16 Aug 2026 (T+90)

●

Director/CEOExecutives24 Apr 2026MDR Limited

0SGX

3,642,500 sharesShareSGX-STSGXE29738106SGX:DIJPB9IJDZXPFTQI

▲

Director/CEOExecutives26 May 2023MDR Limited

3,132 SGD22SGX

43,500 shares@ SGD 0.0722.1% of flowShareSGX-STSGXE29738106SGX:ADBFZV5DVLUUNYSE

Canonical exit: 24 Aug 2023 (T+90)

▲

Director/CEOExecutives23 May 2023MDR Limited

4,046 SGD22SGX

56,200 shares@ SGD 0.0722.7% of flowShareSGX-STSGXE29738106SGX:NUF8E72GW8XOSHP4

Canonical exit: 21 Aug 2023 (T+90)

▲

Director/CEOExecutives19 May 2023MDR Limited

5,876 SGD22SGX

79,400 shares@ SGD 0.0744.0% of flowShareSGX-STSGXE29738106SGX:OWRHATPDW2EHABXV

Canonical exit: 17 Aug 2023 (T+90)

▲

Director/CEOExecutives16 May 2023MDR Limited

266 SGD22SGX

3,700 shares@ SGD 0.0720.2% of flowShareSGX-STSGXE29738106SGX:ON6IREVFA8L435QR

Canonical exit: 14 Aug 2023 (T+90)

▲

Director/CEOExecutives12 May 2023MDR Limited

234 SGD22SGX

3,200 shares@ SGD 0.0730.2% of flowShareSGX-STSGXE29738106SGX:7NLEJIWMEEYV3JVG

Canonical exit: 10 Aug 2023 (T+90)

▲

Director/CEOExecutives8 May 2023MDR Limited

7,229 SGD22SGX

100,400 shares@ SGD 0.0724.9% of flowShareSGX-STSGXE29738106SGX:5JA2Y9UEAY5WHLWF

Canonical exit: 6 Aug 2023 (T+90)

▲

Director/CEOExecutives5 Apr 2023MDR Limited

355 SGD37SGX

5,000 shares@ SGD 0.0710.2% of flowShareSGX-STSGXE29738106SGX:XWMQ2DNH3D6DL9DR

Canonical exit: 4 Jul 2023 (T+90)

▲

Director/CEOExecutives3 Apr 2023MDR Limited

18,283 SGD38SGX

257,500 shares@ SGD 0.07112.4% of flowShareSGX-STSGXE29738106SGX:O6ABTPVU5K2SFUC2

Canonical exit: 2 Jul 2023 (T+90)

▲

Director/CEOExecutives17 Jan 2023MDR Limited

5,328 SGD22SGX

72,000 shares@ SGD 0.0743.7% of flowShareSGX-STSGXE29738106SGX:AVJKK79Q9H39U5S6

Canonical exit: 17 Apr 2023 (T+90)

▲

Director/CEOExecutives16 Jan 2023MDR Limited

26,729 SGD24SGX

361,200 shares@ SGD 0.07418.3% of flowShareSGX-STSGXE29738106SGX:QVBPMYF14GXZ3SR8

Canonical exit: 16 Apr 2023 (T+90)

▲

Director/CEOExecutives13 Jan 2023MDR Limited

7,400 SGD23SGX

100,000 shares@ SGD 0.0745.1% of flowShareSGX-STSGXE29738106SGX:PGSELHMCFWDDCQSR

Canonical exit: 13 Apr 2023 (T+90)

▲

Director/CEOExecutives12 Jan 2023MDR Limited

9,738 SGD23SGX

133,400 shares@ SGD 0.0736.7% of flowShareSGX-STSGXE29738106SGX:M7CZ9POZPTP2I2C3

Canonical exit: 12 Apr 2023 (T+90)

▲

Director/CEOExecutives11 Jan 2023MDR Limited

21,087 SGD23SGX

297,000 shares@ SGD 0.07114.5% of flowShareSGX-STSGXE29738106SGX:7JVWU4GVHQBL7DU1

Canonical exit: 11 Apr 2023 (T+90)

▲

Director/CEOExecutives10 Jan 2023MDR Limited

13,335 SGD23SGX

190,500 shares@ SGD 0.079.2% of flowShareSGX-STSGXE29738106SGX:ABIY890HXY93OJQ2

Canonical exit: 10 Apr 2023 (T+90)

▲

Director/CEOExecutives9 Jan 2023MDR Limited

136 SGD22SGX

2,000 shares@ SGD 0.0680.1% of flowShareSGX-STSGXE29738106SGX:T7NWG2HAFQM8YM4Z

Canonical exit: 9 Apr 2023 (T+90)

▲

Director/CEOExecutives5 Jan 2023MDR Limited

6,392 SGD22SGX

94,000 shares@ SGD 0.0684.4% of flowShareSGX-STSGXE29738106SGX:CLF5T8UJVJVMQZ81

Canonical exit: 5 Apr 2023 (T+90)

▲

Director/CEOExecutives3 Jan 2023MDR Limited

6,061 SGD22SGX

89,000 shares@ SGD 0.06814.1% of flowShareSGX-STSGXE29738106SGX:2LTRR9XS3M3DPG28

Canonical exit: 3 Apr 2023 (T+90)

▲

Director/CEOExecutives28 Dec 2022MDR Limited

685 SGD22SGX

10,000 shares@ SGD 0.06850.5% of flowShareSGX-STSGXE29738106SGX:HLHHB2DI1UYTZMQ9

Canonical exit: 28 Mar 2023 (T+90)

▲

Director/CEOExecutives27 Dec 2022MDR Limited

10,050 SGD23SGX

150,000 shares@ SGD 0.0676.9% of flowShareSGX-STSGXE29738106SGX:5VNPXWY77X8N5R6I

Canonical exit: 27 Mar 2023 (T+90)

●

Director/CEOExecutives17 Jun 2021MDR Limited

0SGX

ShareSGX-STSGXE29738106SGX:H5YFCF9F7KN4IX8U

●

Director/CEOExecutives18 Jun 2018MDR Limited

0SGX

230,167 sharesShareSGX-STSGXE29738106SGX:ZM064XNNJWB8FUZ4

23 of 23 declarations