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Who

Milind Deshpande

Director

Company insider

Files Form 4 as: Director, Spero Therapeutics; Chief Executive Officer, Achillion Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
67
Buys
1
Sells
8
Bought
$10K
Sold
$4.7M
Companies
2
Companies where not an officer
1
First trade
19 Dec 2006
Last trade
23 Jun 2026
Last filed
25 Jun 2026

Companies traded

Where they are an officer
Achillion PharmaceuticalsDirector, Officer · last 9 Feb 20181 buy · 8 sells
Everywhere else they filed: board seats, 10% stakes, other companies
SPRO Spero TherapeuticsDirector · Biotechnology · last 23 Jun 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

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
15 Sep 2022filed 19 Sep 2022SPRO Spero TherapeuticsBiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
17 Aug 2021filed 18 Aug 2021SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
4 Jan 2021filed 6 Jan 2021SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A$35K2,629 at $13.31filing
27 Oct 2020filed 27 Oct 2020SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
2 Jan 2020filed 6 Jan 2020SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A$35K5,408 at $6.47filing
5 Jun 2019filed 5 Jun 2019SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—6,073 at $0.00filing
5 Jun 2018filed 6 Jun 2018SPRO Spero Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—6,073 at $0.00filing
9 Feb 2018filed 13 Feb 2018Achillion Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—640,000 at $0.00filing
17 Jan 2017filed 19 Jan 2017Achillion Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—458,000 at $0.00filing
2 Dec 2016filed 5 Dec 2016Achillion PharmaceuticalsSEC FORM 4 Bought$10K2,500 at $4.06filing
20 Jan 2016filed 22 Jan 2016Achillion Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—400,000 at $0.00filing
21 Jan 2015filed 23 Jan 2015Achillion PharmaceuticalsSEC FORM 4 Code M$302K100,000 at $3.02filing
21 Jan 2015filed 23 Jan 2015Achillion PharmaceuticalsSEC FORM 4 Sold$1.5M100,000 at $15.00filing

News

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

Sectors

Not placed9

Buys in green, sells in red, by the company’s sector.

Related people

Nobody else traded the same names lately.