Richard N Kender

Insider

First SEC filing: May 14, 2024 · Latest: May 14, 2024

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 27 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 8, 2026	MCRB	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2026	MCRB	A	150,000	—	—	150,000 Direct	—	Acquired	(price as of 2026-08-20)
July 15, 2025	LGVN	A	17,000	—	—	33,000 Direct	+106.25%	Acquired	(price as of 2026-08-20)
April 10, 2025	MCRB	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-20)
May 10, 2024	LGVN	A	16,000	$1.46	$23,360	16,000 Direct	—	Acquired	-40.7% (price as of 2026-08-20)
April 4, 2024	MCRB	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2024	BCYC	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2024	BCYC	A	6,000	—	—	16,750 Direct	+55.81%	Acquired	(price as of 2026-08-20)
June 22, 2023	MCRB	A	35,000	—	—	35,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 3, 2023	BCYC	A	11,500	—	—	11,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 3, 2023	BCYC	A	5,750	—	—	10,750 Direct	+115.00%	Acquired	(price as of 2026-08-20)
July 5, 2022	MCRB	A	63,492	$3.15	$200,000	63,492 Direct	—	Acquired	-92.8% (price as of 2026-08-20)
June 22, 2022	MCRB	A	35,000	—	—	35,000 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2022	MCRB	A	35,000	—	—	35,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 3, 2022	BCYC	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 3, 2022	BCYC	A	5,000	—	—	5,000 Direct	—	Acquired	(price as of 2026-08-20)
June 16, 2021	MCRB	A	23,000	—	—	23,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 4, 2021	BCYC	A	19,000	—	—	19,000 Direct	—	Acquired	(price as of 2026-08-20)
June 18, 2020	MCRB	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2020	BCYC	A	8,202	—	—	8,202 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2020	BCYC	A	16,000	—	—	16,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 26, 2019	BCYC	A	23,798	—	—	23,798 Direct	—	Acquired	(price as of 2026-08-20)
June 13, 2019	MCRB	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 26, 2018	MCRB	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 20, 2017	MCRB	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 15, 2016	MCRB	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 25, 2015	MCRB	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
July 8, 2026	MCRB	Stock Option (right to buy)	Common Stock (50,000)	$9.13	March 3, 2036	50,000	Acquired
March 4, 2026	MCRB	Stock Option (right to buy)	Common Stock (150,000)	$9.13	March 3, 2036	150,000	Acquired
April 10, 2025	MCRB	Stock Option (right to buy)	Common Stock (100,000)	$0.58	April 9, 2035	100,000	Acquired
April 4, 2024	MCRB	Stock Option (right to buy)	Common Stock (60,000)	$0.76	April 3, 2034	60,000	Acquired
Jan. 2, 2024	BCYC	Stock Option (right to buy)	Ordinary Shares (12,000)	$18.08	Jan. 2, 2034	12,000	Acquired
June 22, 2023	MCRB	Stock Option (right to buy)	Common Stock (35,000)	$5.46	June 21, 2033	35,000	Acquired
Jan. 3, 2023	BCYC	Stock Option (right to buy)	Ordinary Shares (11,500)	$29.60	Jan. 3, 2033	11,500	Acquired
June 22, 2022	MCRB	Stock Option (right to buy)	Common Stock (35,000)	$3.22	June 21, 2032	35,000	Acquired
June 22, 2022	MCRB	Stock Option (right to buy)	Common Stock (35,000)	$3.22	June 21, 2032	35,000	Acquired
Jan. 3, 2022	BCYC	Stock Option (right to buy)	Ordinary Shares (10,000)	$60.87	Jan. 3, 2032	10,000	Acquired
June 16, 2021	MCRB	Stock Option (right to buy)	Common Stock (23,000)	$19.74	June 15, 2031	23,000	Acquired
Jan. 4, 2021	BCYC	Stock Option (right to buy)	Ordinary Shares (19,000)	$17.95	Jan. 4, 2031	19,000	Acquired
June 18, 2020	MCRB	Stock Option (right to buy)	Common Stock (30,000)	$4.40	June 17, 2030	30,000	Acquired
Jan. 2, 2020	BCYC	Stock Option (right to buy)	Ordinary Shares (8,202)	$9.82	Jan. 2, 2030	8,202	Acquired
Jan. 2, 2020	BCYC	Stock Option (right to buy)	Ordinary Shares (16,000)	$9.82	Jan. 2, 2030	16,000	Acquired
Sept. 26, 2019	BCYC	Stock Option (Right to Buy)	Ordinary Shares (23,798)	$11.66	Sept. 26, 2029	23,798	Acquired
June 13, 2019	MCRB	Stock Option (right to buy)	Common Stock (15,000)	$2.83	June 12, 2029	15,000	Acquired
June 26, 2018	MCRB	Stock Option (right to buy)	Common Stock (15,000)	$9.09	June 25, 2028	15,000	Acquired
June 20, 2017	MCRB	Stock Option (right to buy)	Common Stock (15,000)	$11.21	June 19, 2027	15,000	Acquired
June 15, 2016	MCRB	Stock Option (right to buy)	Common Stock (15,000)	$30.24	June 14, 2026	15,000	Acquired
June 25, 2015	MCRB	Stock Option (right to buy)	Common Stock (15,000)	$18.00	June 24, 2025	15,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
May 14, 2024	LGVN	Class A Common Stock	0	Direct
June 25, 2015	MCRB	Stock Option (right to buy)→ Common Stock (75,000)	75,000	Direct