SC Filed 2018-05-03 Event — SEC 0001193125-18-150925 →

Polaris Venture Partners V, L.P. → SELECTA BIOSCIENCES INC RNAC

Stake: — Shares: —

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

2 transactions

0 buys · 0 sales · 2 awards/exercises

Issuer Cluster

16 13D/G filings on this issuer

15 other filings besides this one

Filer Track Record

12 filings by this filer

11 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 12.30

1,925,634 shares short · +2.1% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-04-02	Hoge Elizabeth	10%+ owner	Option exercise	758,001	—	—
2026-04-02	Kalayoglu Murat	10%+ owner	Option exercise	758,001	—	—

Other 13D/G Filings on SELECTA BIOSCIENCES INC

Filed	Form	Filer	Stake	Shares
2026-04-02	SCHEDULE 13D/A	Kalayoglu Murat	19.90%	5,833,971	view →
2025-01-15	SCHEDULE	SPRINGER TIMOTHY A	36.90%	9,555,394	view →
2024-10-15	SC	Kalayoglu Murat	—	—	view →
2024-07-05	SC	SPRINGER TIMOTHY A	—	—	view →
2024-04-12	SC	SPRINGER TIMOTHY A	—	—	view →
2021-12-27	SC	SPRINGER TIMOTHY A	—	—	view →
2021-05-27	SC	SPRINGER TIMOTHY A	—	—	view →
2020-10-23	SC	SPRINGER TIMOTHY A	—	—	view →
2020-10-15	SC	SPRINGER TIMOTHY A	—	—	view →
2020-02-05	SC	ORBIMED ADVISORS LLC	—	—	view →
2020-01-02	SC	SPRINGER TIMOTHY A	—	—	view →
2019-12-17	SC	SPRINGER TIMOTHY A	—	—	view →
2019-11-13	SC	ORBIMED ADVISORS LLC	—	—	view →
2019-02-04	SC	Polaris Venture Partners V, L.P.	—	—	view →
2018-01-26	SC	ORBIMED ADVISORS LLC	—	—	view →

Other Filings by Polaris Venture Partners V, L.P.

Filed	Form	Issuer	Stake	Shares
2025-11-07	SCHEDULE	Invivyd, Inc. IVVD	3.00%	7,008,590	view →
2022-03-30	SC	Adagio Therapeutics, Inc. IVVD	—	—	view →
2019-07-17	SC	Pulmatrix, Inc. PULM	—	—	view →
2019-07-17	SC	X4 Pharmaceuticals, Inc XFOR	—	—	view →
2019-07-17	SC	aTYR PHARMA INC ATYR	—	—	view →
2019-02-14	SC	GENOCEA BIOSCIENCES, INC.	—	—	view →
2019-02-14	SC	Dare Bioscience, Inc. DARE	—	—	view →
2019-02-14	SC	T2 Biosystems, Inc.	—	—	view →
2019-02-14	SC	TREVENA INC	—	—	view →
2019-02-04	SC	SELECTA BIOSCIENCES INC RNAC	—	—	view →
2018-04-12	SC	Pulmatrix, Inc. PULM	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →