Stephen F. Mahoney

CIK 1741389 · View on SEC EDGAR ↗

Insider

First SEC filing: May 23, 2018 · Latest: May 23, 2018

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 22 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

22 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 27, 2024 VRDN P 21,400 $23.33 $499,262 21,400 Direct — Acquired 5.5% (price as of 2026-08-21)
Sept. 16, 2021 DNTH S 5,736 $6.73 $38,603 14,264 Direct -28.68% Disposed 1561.2% (price as of 2026-08-21)
Feb. 9, 2018 KNSA P 6,392 $15.64 $99,971 6,392 Direct — Acquired 398.8% (price as of 2026-08-21)

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
March 3, 2026 VRDN Restricted Stock Units Common Stock (18,357) — — 18,357 Disposed
March 2, 2026 VRDN Restricted Stock Units Common Stock (111,900) — — 111,900 Acquired
March 2, 2026 VRDN Stock Option (Right to Buy) Common Stock (559,600) $30.25 March 2, 2036 559,600 Acquired
March 3, 2025 VRDN Restricted Stock Units Common Stock (73,428) — — 73,428 Acquired
March 3, 2025 VRDN Stock Option (Right to Buy) Common Stock (440,565) $14.41 March 3, 2035 440,565 Acquired
Oct. 30, 2023 VRDN Stock Option (Right to Buy) Common Stock (1,259,400) $13.02 Oct. 30, 2033 1,259,400 Acquired
Aug. 1, 2022 DNTH Stock Option (Right to Buy) Common Stock (130,000) $1.57 July 31, 2032 130,000 Acquired
May 17, 2022 DNTH Stock Option (Right to Buy) Common Stock (62,500) $1.18 May 16, 2032 62,500 Acquired
Feb. 15, 2022 DNTH Stock Option (Right to Buy) Common Stock (130,000) $3.19 Feb. 14, 2032 130,000 Acquired
Nov. 2, 2020 DNTH Stock Option (Right to Buy) Common Stock (435,000) $6.28 Nov. 1, 2030 435,000 Acquired
Sept. 17, 2019 KNSA Share Option Class A Common Shares (82,000) $8.83 Sept. 16, 2029 82,000 Acquired
March 4, 2019 KNSA Share Option Class A Common Shares (83,000) $17.92 March 3, 2029 83,000 Acquired
Sept. 20, 2018 KNSA Share Option Class A Common Shares (50,000) $30.93 Sept. 19, 2028 50,000 Acquired
May 29, 2018 KNSA Class B Common Shares Class A Common Shares (107,050) — — 107,050 Acquired
May 29, 2018 KNSA Series C Preferred Shares Class A Common Shares (6,392) — — 6,392 Disposed
May 29, 2018 KNSA Series A Preferred Shares Class B Common Shares (107,050) — — 107,050 Disposed
Feb. 9, 2018 KNSA Series C Preferred Shares Class A Common Shares — — 6,392 Acquired

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

Initial ownership (Form 3) 8 holdings

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

Date Ticker Security Shares Ownership
May 23, 2018 KNSA Class A Common Shares 73,197 Direct
May 23, 2018 KNSA Class A Common Shares 36,598 Indirect
May 23, 2018 KNSA Class B Common Shares→ Class A Common Shares (548,977) 548,977 Direct
May 23, 2018 KNSA Series A Preferred Shares→ Class B Common Shares (107,050) 107,050 Direct
May 23, 2018 KNSA Series C Preferred Shares→ Class A Common Shares (6,392) 6,392 Direct
May 23, 2018 KNSA Share Option→ Class A Common Shares (125,941) 125,941 Direct
May 23, 2018 KNSA Share Option→ Class A Common Shares (87,848) 87,848 Direct
May 23, 2018 KNSA Share Option→ Class A Common Shares (128,094) 128,094 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

VRDN

CEO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2024 $650,000 — — — $464,750 — $2,704 $1,117,454
2023 $112,847 $63,762 — — — — $184 $12,479,521
2022 — — — — — — — —

DNTH

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2023 $309,257 $539,134 — — — — $690,000 $1,656,676
2020 $70,000 — — — — — $475 $1,959,130

KNSA

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2019 $477,641 — — $1,547,059 — — $720,279 $2,744,979
2018 $434,970 — — $1,980,564 $291,892 — $11,000 $2,718,426

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.