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Seraphim Space Investment Trust plc Stock: price and insider trades · United Kingdom
No insider purchase over the last 90 days. The latest was filed 26 Jun 2026.
Seraphim Space Investment Trust plc: what insiders have been doing
This page follows insider dealings at Seraphim Space Investment Trust plc as filed with RNS (LSE), a company from the Defense & Aerospace sector. Over the twelve months to 18 October 2026, 15 filings were filed, from 10 insiders.
Only purchases show up on the open market, 15 purchases in all worth €1.5M, filed by 10 insiders. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. William Whitehorn filed the largest purchase, €346k, on 12 May 2026, which represents 0.056% of the company's market value. Those buying include 6 senior executives and 4 board members.
Within a 30-day window, 14 purchases overlapped with buying by a second insider. Such overlaps are known as a cluster signal: distinct people reaching the same decision at about the same time. The most recent open-market purchase was published on 26 June 2026, 114 days ago. Most trades are made public on the day they happen. The regulation allows three business days to notify a trade (UK MAR).
Compared with its exchange (832 companies, median 6 filings), a count of 15 filings is above the norm. Looking back to 2023, when coverage begins, insiders filed 18 purchases and no sales.
Elsewhere in the same sector, our signals recently picked up insider purchases at Heico Corp. Every figure here comes from the filings published by RNS (LSE) and describes the past, not future prices; it is not investment advice.
Insider Decl.
18
Thresholds
n/a
Buy Volume
€2M
18 ops. · all time
Sell Volume
n/a
n/a
Who traded when
BuySaleWilliam Whitehorn8 buys
Will Whitehorn4 buys
Christina McComb3 buys
Angela Lane2 buys
Sue Inglis2 buys
David Lane1 buy
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Financial data
as of FY 2024FY ended June 2024 · cache
£1.91
Analyst consensus
Income statement
Revenue£8.2M
Net income£6.7M81.9% margin
Valuation
PER (trailing)1.6x
Balance sheet & cash
Market cap£454M
Free Cash Flow-£7.4M
Profitability & ownership
% insiders26.8%
% institutions32.2%
Last declaration on 26 June 2026
Declarations18 total
12,450 shares@ £0.79050.0027% mcap2.2% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:9639720
Canonical exit: 24 Sept 2026 (T+90)
8,000 shares@ £1.82480.0037% mcap33.2% of flowLondon Stock Exchange, Main MarketISIN GB00BKPG0138RNS:a852dbd2-4675-42e5-a45b-86de438bec60
Canonical exit: 2 Sept 2026 (T+90)
5,000 shares@ £0.9830.0012% mcap1.1% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:539322f1-ae0e-42ee-9d22-0821c239b60f
Canonical exit: 2 Sept 2026 (T+90)
10,000 shares@ £1.000.0025% mcap2.2% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:446a40cd-45d7-4e48-acc5-bafdacd851eb
Canonical exit: 13 Aug 2026 (T+90)
10,000 shares@ £1.000.019% mcap21.9% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:9571624
Canonical exit: 13 Aug 2026 (T+90)
25,000 shares@ £1.000.0062% mcap9.1% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:a1791a0d-e700-4024-a26e-2d6d526cb6f1
Canonical exit: 10 Aug 2026 (T+90)
20,000 shares@ £1.000.0050% mcap8.7% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:3b300195-941a-4ae8-a0ff-ca7f368b685f
Canonical exit: 10 Aug 2026 (T+90)
30,000 shares@ £1.000.0075% mcap9.1% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:fca56ca2-42a1-4e78-8b28-ef0709419661
Canonical exit: 10 Aug 2026 (T+90)
30,000 shares@ £1.000.0075% mcap6.6% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:df3d46c2-bc47-4050-b9e5-39b3c51ed59c
Canonical exit: 10 Aug 2026 (T+90)
25,000 shares@ £1.000.047% mcap90.9% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:9568686
Canonical exit: 10 Aug 2026 (T+90)
30,000 shares@ £1.000.056% mcap66.1% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:9568616
Canonical exit: 10 Aug 2026 (T+90)
20,000 shares@ £1.000.038% mcap86.9% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:9568685
Canonical exit: 10 Aug 2026 (T+90)
30,000 shares@ £1.000.056% mcap90.9% of flowLondon Stock Exchange, Main MarketISIN GB00BW6HS596RNS:9568682
Canonical exit: 10 Aug 2026 (T+90)
11,000 shares@ £0.7819.2% of flowLondon Stock Exchange, Main MarketISIN GB00BKPG0138RNS:0482e393-f541-4a55-a851-06253339667e
Canonical exit: 23 Feb 2026 (T+90)
8,000 shares@ £0.7805100.0% of flowLondon Stock Exchange, Main MarketISIN GB00BKPG0138RNS:1f6ab5a1-9524-463a-9bb3-2adbf8a7cf7f
Canonical exit: 23 Feb 2026 (T+90)
15,577 shares@ £0.6384.4% of flowLondon Stock Exchange, Main MarketISIN GB00BKPG0138RNS:5666082
Canonical exit: 19 Aug 2025 (T+90)
20,000 shares@ £0.52224.2% of flowLondon Stock Exchange, Main MarketISIN GB00BKPG0138RNS:5650614
Canonical exit: 6 Aug 2025 (T+90)
023.3% of flowLondon Stock Exchange, Main MarketISIN GB00BKPG0138RNS:4980472
Canonical exit: 19 Feb 2024 (T+90)
18 of 18 declarations
About Seraphim Space Investment Trust plc
Seraphim Space Investment Trust Plc (ISIN: GB00BW6HS596, ticker: SSIT.L) is a listed investment vehicle focused on SpaceTech, i.e. technologies and services enabled by, or serving, the space economy. The company is listed on the London Stock Exchange (FTSE 100/250/AIM) in the United Kingdom (United Kingdom) and offers public-market investors a liquid way to access a specialist venture-growth theme that is still relatively scarce in quoted equity markets. Launched in July 2021, SSIT is presented as the world’s first listed fund dedicated to SpaceTech. Its manager, Seraphim, was founded in London in 2016 and has built a leading position in the private space-investment ecosystem. ([seraphim.vc](https://seraphim.vc/about/?utm_source=openai))
SSIT’s strategy is to generate long-term capital growth through a diversified international portfolio of predominantly privately financed companies at early and growth stages. The trust targets businesses with dual-use potential across defence and security, satellite communications, Earth observation, geospatial intelligence, orbital logistics, cybersecurity, climate monitoring and sustainability-related applications. In practice, this means the trust is not a single-asset bet on launch vehicles or rockets; instead, it provides exposure to a broader space value chain encompassing sensors, data, connectivity, software and mission-critical infrastructure. ([investors.seraphim.vc](https://investors.seraphim.vc/?utm_source=openai))
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From a competitive standpoint, SSIT occupies a distinctive niche. It is a pure-play, listed SpaceTech fund, combining access to private growth assets with the liquidity of a stock-exchange listing. That structure can be attractive relative to closed-end venture funds and diversified asset managers that may only have incidental exposure to space. The manager also emphasises its origination network, accelerator franchise and co-investment capability, which help it source opportunities in a fragmented but fast-developing global market. The portfolio includes a number of recognised SpaceTech names, supporting the case that Seraphim has meaningful reach within the sector. ([investors.seraphim.vc](https://investors.seraphim.vc/?utm_source=openai))
Geographically, SSIT is internationally diversified, with exposure across the United Kingdom, Europe and the United States, and an operational base in London. Seraphim has also expanded its ecosystem footprint through additional hubs and programmes, reinforcing its access to deal flow and industrial partnerships. Recent developments include a spring 2026 equity raise aimed at funding new investment opportunities, alongside reports of stronger NAV performance and a more mature portfolio, with several holdings completing fundraisings or reaching notable operating milestones. These updates suggest the trust remains active both at the portfolio and capital-markets level. ([londonstockexchange.com](https://www.londonstockexchange.com/stock/SSIT/seraphim-space-investment-trust-plc/analysis?utm_source=openai))
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