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Total declarations
Company
▲ Purchases (12 ops.)
▼ Sales (0 ops.)
Latest filing published 09 Apr 2025 for GUERBET, €55k. Read the official filing
Filing timeline
BuySaleMarc Massiot
Insider track record
Disclosed buys
12
Disclosed sells
0
Signal history
Closed purchases
Market purchases
12
Positive at T+90
50%
Median T+90
+4.2%
Based on 12 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
- -52.2%Entry €19.78 · Close at T+365 €9.46
- -53.7%Entry €20.15 · Close at T+365 €9.32
- -50.9%Entry €26.50 · Close at T+365 €13.00
- -34.8%Entry €33.60 · Close at T+365 €21.90
- -35.5%Entry €34.20 · Close at T+365 €22.05
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.
Marc Massiot: trading record in brief
Marc Massiot (board member) discloses dealings in Guerbet to AMF. The record holds 12 filings, for trades running from 4 May 2023 to 7 April 2025.
On the market, this insider has only ever bought: 12 purchases, €309k in total. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. In 2025 alone, the filings show 4 purchases and no sales.
The median purchase comes to €18k. 5 out of 12 purchases came within 30 days of a purchase by at least one other insider of the same company. A cluster is several different insiders buying the same stock within a short window, a pattern studied more closely than a single purchase. Ninety days after publication, 12 purchases show a median change of +4.2%, with the price up in 50% of them. These figures describe past trades and do not predict future prices.
On 9 April 2025 came the latest disclosure, an open-market purchase for €55k in Guerbet. The median gap between a trade and its publication by AMF is 4 days. The regulation allows three business days to notify a trade (MAR article 19). This summary is built from AMF disclosures alone and does not predict where the share price will go.
Companies and markets linked to Marc Massiot
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations12 total
3,062 shares@ €17.999427.3% of flowActionEuronext ParisISIN FR00000325262025DD1030977
Canonical exit: 6 Jul 2025 (T+90)
1,000 shares@ €19.1735.8% of flowActionEuronext ParisISIN FR00000325262025DD1030456
Canonical exit: 2 Jul 2025 (T+90)
1,475 shares@ €26.821219.6% of flowActionEuronext ParisISIN FR00000325262025DD1022055
Canonical exit: 25 May 2025 (T+90)
2,242 shares@ €26.877729.8% of flowActionEuronext ParisISIN FR00000325262025DD1022050
Canonical exit: 22 May 2025 (T+90)
142 shares@ €35.1369.3% of flowActionEuronext ParisISIN FR00000325262024DD992115
Canonical exit: 17 Nov 2024 (T+90)
300 shares@ €34.337519.3% of flowActionEuronext ParisISIN FR00000325262024DD991827
Canonical exit: 13 Nov 2024 (T+90)
1,000 shares@ €34.3564.2% of flowActionEuronext ParisISIN FR00000325262024DD991729
Canonical exit: 10 Nov 2024 (T+90)
722 shares@ €18.13976.5% of flowActionEuronext ParisISIN FR00000325262023DD936500
Canonical exit: 1 Feb 2024 (T+90)
2,000 shares@ €17.0416.9% of flowActionEuronext ParisISIN FR00000325262023DD936320
Canonical exit: 28 Jan 2024 (T+90)
1,000 shares@ €16.8031.4% of flowActionEuronext ParisISIN FR00000325262023DD935443
Canonical exit: 23 Jan 2024 (T+90)
1,000 shares@ €16.460930.8% of flowActionEuronext ParisISIN FR00000325262023DD934603
Canonical exit: 22 Jan 2024 (T+90)
300 shares@ €16.469.2% of flowActionEuronext ParisISIN FR00000325262023DD928061
Canonical exit: 2 Aug 2023 (T+90)
12 of 12 declarations
