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Mak Lo Chiu

Chairman
Gresham House Energy Storage Fund PLC
Insider activity · 24 months2 buys0 salesCumulative net flow
Total declarations
13
Company
1
▲ Purchases (13 ops.)
€127k
▼ Sales (0 ops.)
—

Latest filing published 25 Sept 2026 for Gresham House Energy Storage Fund PLC, €23k.

Filing timeline

BuySale
Mak Lo Chiu

Insider track record

Disclosed buys
13
Disclosed sells
0
Signal history

Closed purchases

Market purchases
13
Positive at T+90
33%
Median T+90
-5.9%

Based on 9 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.

Purchases by company

Since each purchase

Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.

Mak Lo Chiu: trading record in brief

Mak Lo Chiu is a declared insider of Gresham House Energy Storage Fund PLC, with filings sourced from RNS (LSE). Between 4 November 2022 and 25 September 2026, the trades on record add up to 13 filings.

On the market, this insider has only ever bought: 13 purchases, €127k in total. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. So far in 2026, the count stands at 1 purchase and no sales.

The median purchase comes to €9,249. 7 out of 10 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. For 9 purchases whose 90-day window has closed, the share price was higher on day 90 than the day after publication in 33% of cases, with a median move of -5.9%. These figures describe past trades and do not predict future prices.

The record was last updated on 25 September 2026 with an open-market purchase (€23k) in Gresham House Energy Storage Fund PLC. Filings reach the RNS (LSE) feed a median of 1 day after the trade. Under the UK Market Abuse Regulation, managers have three business days to notify their trades. These figures are compiled from regulatory filings published by RNS (LSE). They describe what insiders did and are not a recommendation.

Companies and markets linked to Mak Lo Chiu

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

Declarations13 total
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    19,856 GBP28FCA-NSM
    20,200 shares@ £0.9830.0036% mcap20.0% of flowLondon Stock ExchangeFCA-NSM:c10c9223-dbd0-44b7-858e-8a39ba44656e
    Canonical exit: 24 Dec 2026 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    9,947 GBP20RNS
    22,300 shares@ £0.446110.4% of flowLondon Stock ExchangeRNS:5470032
    Canonical exit: 13 Mar 2025 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    14,925 GBP9RNS
    28,591 shares@ £0.52215.5% of flowLondon Stock ExchangeRNS:5371945
    Canonical exit: 29 Dec 2024 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    15,000 GBP24RNS
    29,999 shares@ £0.5015.2% of flowLondon Stock ExchangeRNS:5061067
    Canonical exit: 6 May 2024 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    10,000 GBP23RNS
    20,366 shares@ £0.49110.2% of flowLondon Stock ExchangeRNS:5056436
    Canonical exit: 2 May 2024 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    9,999 GBP23RNS
    11,238 shares@ £0.88989.9% of flowLondon Stock ExchangeRNS:4948286
    Canonical exit: 22 Jan 2024 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    8,000 GBP20RNS
    9,002 shares@ £0.88878.0% of flowLondon Stock ExchangeRNS:4936140
    Canonical exit: 10 Jan 2024 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    3,558 GBP19RNS
    3,425 shares@ £1.0393.6% of flowLondon Stock ExchangeRNS:4920775
    Canonical exit: 31 Dec 2023 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    3,579 GBP7RNS
    2,798 shares@ £1.27913.6% of flowLondon Stock ExchangeRNS:4857925
    Canonical exit: 31 Oct 2023 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    3,556 GBP7RNS
    2,475 shares@ £1.4373.6% of flowLondon Stock ExchangeRNS:4826016
    Canonical exit: 2 Oct 2023 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    2,929 GBP0FCA-NSM
    1,678 shares@ £1.7371London Stock ExchangeISIN GB00BFX3K770FCA-NSM:4607914
    Canonical exit: 8 Mar 2023 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    3,994 GBP0FCA-NSM
    2,400 shares@ £1.664London Stock ExchangeISIN GB00BFX3K770FCA-NSM:4588816
    Canonical exit: 19 Feb 2023 (T+90)
  • ▲
    PCA of Isabel Liu, Non-Executive Director of the Company and PDMRExecutivesGresham House Energy Storage Fund PLC
    3,134 GBP0FCA-NSM
    1,880 shares@ £1.6668London Stock ExchangeISIN GB00BFX3K770FCA-NSM:4570830
    Canonical exit: 2 Feb 2023 (T+90)

13 of 13 declarations