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Who

John C. Pottage Jr.

Director

Company insider

Files Form 4 as: Director, Spero Therapeutics; Director, Pardes Biosciences; SVP and Chief Medical Officer, Achillion Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
17
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
3
Companies where not an officer
2
First trade
19 Dec 2006
Last trade
23 Jun 2026
Last filed
25 Jun 2026

Companies traded

Where they are an officer
Achillion PharmaceuticalsOfficer · last 19 Dec 20060 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
SPRO Spero TherapeuticsDirector · Biotechnology · last 23 Jun 20260 buys · 0 sells
Pardes BiosciencesDirector · last 31 Aug 20230 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
23 Jun 2026filed 25 Jun 2026SPRO Spero TherapeuticsBiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
23 Jun 2026filed 25 Jun 2026SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
23 Jun 2026filed 25 Jun 2026SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
23 Jun 2026filed 25 Jun 2026SPRO Spero TherapeuticsBiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
12 Jun 2025filed 16 Jun 2025SPRO Spero TherapeuticsBiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
29 May 2024filed 30 May 2024SPRO Spero TherapeuticsBiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
5 Oct 2023filed 10 Oct 2023SPRO Spero TherapeuticsBiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
31 Aug 2023filed 31 Aug 2023Pardes Biosciencesoption or derivativeSEC FORM 4 Code D—37,500filing
31 Aug 2023filed 31 Aug 2023Pardes Biosciencesoption or derivativeSEC FORM 4 Code D—75,000filing
1 Jun 2023filed 2 Jun 2023Pardes Biosciencesoption or derivativeSEC FORM 4 Code A—37,500 at $0.00filing
15 Sep 2022filed 19 Sep 2022SPRO Spero TherapeuticsBiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
14 Sep 2022filed 16 Sep 2022Pardes Biosciencesoption or derivativeSEC FORM 4 Code A—75,000 at $0.00filing
17 Aug 2021filed 18 Aug 2021SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
27 Oct 2020filed 27 Oct 2020SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
5 Jun 2019filed 5 Jun 2019SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—6,073 at $0.00filing
21 Sep 2018filed 21 Sep 2018SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—12,146 at $0.00filing
19 Dec 2006filed 26 Dec 2006Achillion Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—40,000 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Nobody else traded the same names lately.