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Who

John Gordon Freund

Director

Company insider

Files Form 4 as: Director and 10% owner, Si-Bone; Director and 10% owner, Collegium Pharmaceutical; Director and 10% owner, Sutro Biopharma; Director and 10% owner, Tetraphase Pharmaceuticals; Director and 10% owner, Protara Therapeutics; Director, Xenoport; Other, Dicerna Pharmaceuticals; Director and 10% owner, Concert Pharmaceuticals.

In numbers

Trades disclosed
325
Buys
21
Sells
50
Bought
$480.8B
Sold
$110.3M
Companies
12
Companies where not an officer
12
First trade
2 May 2006
Last trade
4 Jun 2026
Last filed
8 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SIBN Si-BoneDirector, 10% owner · Medical Devices · last 4 Jun 20262 buys · 24 sells
COLL Collegium PharmaceuticalDirector, 10% owner · Pharmaceuticals · last 18 May 20261 buy · 4 sells
STRO Sutro BiopharmaDirector, 10% owner · Biotechnology · last 6 Jun 20240 buys · 3 sells
Tetraphase PharmaceuticalsDirector, 10% owner · last 10 Dec 20191 buy · 16 sells
TARA Protara TherapeuticsDirector, 10% owner · Biotechnology · last 8 Nov 20191 buy · 1 sell
XenoportDirector · last 5 Jul 20169 buys · 1 sell
Dicerna PharmaceuticalsOther · last 20 Feb 20150 buys · 1 sell
Concert PharmaceuticalsDirector, 10% owner · last 20 Feb 20141 buy · 0 sells
MAKO SurgicalDirector, 10% owner · last 17 Dec 20133 buys · 0 sells
MAP PharmaceuticalsDirector, 10% owner · last 20 May 20112 buys · 0 sells
Hansen MedicalDirector · last 17 Jun 20091 buy · 0 sells
Sirtris PharmaceuticalsDirector · last 29 May 20070 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
4 Jun 2026filed 8 Jun 2026SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—10,957 at $0.00filing
4 Jun 2026filed 8 Jun 2026SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—10,957 at $0.00filing
18 May 2026filed 20 May 2026COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Sold$68120 at $34.05filing
18 May 2026filed 20 May 2026COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Sold$68120 at $34.05filing
15 May 2026filed 18 May 2026COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Code M$143K8,700 at $16.49filing
15 May 2026filed 18 May 2026COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Sold$143K4,127 at $34.54filing
15 May 2026filed 18 May 2026COLL Collegium Pharmaceuticaloption or derivative · PharmaceuticalsSEC FORM 4 Code M—8,700 at $0.00filing
15 May 2026filed 18 May 2026COLL Collegium Pharmaceuticaloption or derivative · PharmaceuticalsSEC FORM 4 Code M—8,700 at $0.00filing
15 May 2026filed 18 May 2026COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Code M$143K8,700 at $16.49filing
15 May 2026filed 18 May 2026COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Sold$143K4,127 at $34.54filing
14 May 2026filed 18 May 2026COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Code A—8,741 at $0.00filing
14 May 2026filed 18 May 2026COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Code A—8,741 at $0.00filing
8 Aug 2025filed 12 Aug 2025COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Sold$401K11,659 at $34.36filing
8 Aug 2025filed 11 Aug 2025SIBN Si-BoneMedical DevicesSEC FORM 4 Sold$194K12,132 at $15.99filing
9 Jun 2025filed 11 Jun 2025COLL Collegium Pharmaceuticaloption or derivative · PharmaceuticalsSEC FORM 4 Code M—15,000 at $0.00filing
9 Jun 2025filed 11 Jun 2025COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Code M$202K15,000 at $13.45filing
9 Jun 2025filed 11 Jun 2025COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Sold$202K6,601 at $30.62filing
5 Jun 2025filed 6 Jun 2025SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—8,675 at $0.00filing
15 May 2025filed 19 May 2025COLL Collegium PharmaceuticalPharmaceuticalsSEC FORM 4 Code A—9,791 at $0.00filing
26 Jun 2024filed 27 Jun 2024SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—8,791 at $0.00filing

News

Collegium Pharmaceutical, Inc. (NASDAQ:COLL) Stock Has Consensus Price Target of $48.71COLL · dailypolitical.com · 13 Oct 2026

0 headlines in the last 90 days name John Gordon Freund; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care36
Not placed35

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

Related people

Laura FrancisChief Executive Officer · Chief Executive Officer at Si-Bone, filing Form 4 there in the last year
Anshul MaheshwariChief Op & Financial Officer · Chief Op & Financial Officer at Si-Bone, filing Form 4 there in the last year
Michael A. PisetskySVP, Ops & Adm/Chief Legal Ofr · SVP, Ops & Adm/Chief Legal Ofr at Si-Bone, filing Form 4 there in the last year
Jeffrey W. DunnDirector · Director at Si-Bone, filing Form 4 there in the last year
Gino SantiniDirector · Director at Collegium Pharmaceutical, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded COLL in the last 90 days