David P Schenkein
CIK 1578200 · View on SEC EDGAR ↗
First SEC filing: June 8, 2026 · Latest: June 8, 2026
On this page
- 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.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 21, 2020 | DNLI | S 10b5-1 | 5,000 | $90.01 | $450,050 | 26,232 Indirect | -16.01% | Disposed | -72.0% (price as of 2026-08-21) |
| Dec. 21, 2020 | DNLI | S 10b5-1 | 25,000 | $90.06 | $2,251,500 | 0 Direct | -100.00% | Disposed | -72.1% (price as of 2026-08-21) |
| Nov. 12, 2020 | DNLI | S 10b5-1 | 30,000 | $70.05 | $2,101,500 | 25,000 Direct | -54.55% | Disposed | -64.1% (price as of 2026-08-21) |
| Nov. 10, 2020 | DNLI | S 10b5-1 | 10,000 | $60.03 | $600,300 | 55,000 Direct | -15.38% | Disposed | -58.1% (price as of 2026-08-21) |
| Nov. 4, 2020 | DNLI | S 10b5-1 | 10,000 | $50.18 | $501,800 | 65,000 Direct | -13.33% | Disposed | -49.9% (price as of 2026-08-21) |
| June 1, 2018 | AGIO | S 10b5-1 | 100 | $96.91 | $9,691 | 0 Direct | -100.00% | Disposed | -65.1% (price as of 2026-08-21) |
| June 1, 2018 | AGIO | S 10b5-1 | 3,190 | $96.40 | $307,516 | 100 Direct | -96.96% | Disposed | -64.9% (price as of 2026-08-21) |
| June 1, 2018 | AGIO | S 10b5-1 | 8,200 | $95.11 | $779,902 | 3,290 Direct | -71.37% | Disposed | -64.5% (price as of 2026-08-21) |
| June 1, 2018 | AGIO | S 10b5-1 | 1,510 | $94.37 | $142,499 | 11,490 Direct | -11.62% | Disposed | -64.2% (price as of 2026-08-21) |
| May 30, 2018 | AGIO | S 10b5-1 | 45,626 | $90.07 | $4,109,534 | 0 Direct | -100.00% | Disposed | -62.5% (price as of 2026-08-21) |
| May 23, 2018 | AGIO | S 10b5-1 | 299 | $92.03 | $27,517 | 0 Direct | -100.00% | Disposed | -63.3% (price as of 2026-08-21) |
| May 23, 2018 | AGIO | S 10b5-1 | 9,301 | $91.60 | $851,972 | 299 Direct | -96.89% | Disposed | -63.1% (price as of 2026-08-21) |
| May 23, 2018 | AGIO | S 10b5-1 | 39,774 | $90.11 | $3,584,035 | 9,600 Direct | -80.56% | Disposed | -62.5% (price as of 2026-08-21) |
| May 1, 2018 | AGIO | S 10b5-1 | 100 | $84.35 | $8,435 | 0 Direct | -100.00% | Disposed | -59.9% (price as of 2026-08-21) |
| May 1, 2018 | AGIO | S 10b5-1 | 2,814 | $83.56 | $235,138 | 100 Direct | -96.57% | Disposed | -59.6% (price as of 2026-08-21) |
| May 1, 2018 | AGIO | S 10b5-1 | 10,086 | $82.88 | $835,928 | 2,914 Direct | -77.58% | Disposed | -59.2% (price as of 2026-08-21) |
| April 2, 2018 | AGIO | S 10b5-1 | 2,113 | $79.49 | $167,962 | 0 Direct | -100.00% | Disposed | -57.5% (price as of 2026-08-21) |
| April 2, 2018 | AGIO | S 10b5-1 | 3,390 | $78.59 | $266,420 | 2,113 Direct | -61.60% | Disposed | -57.0% (price as of 2026-08-21) |
| April 2, 2018 | AGIO | S 10b5-1 | 3,340 | $77.76 | $259,718 | 5,503 Direct | -37.77% | Disposed | -56.5% (price as of 2026-08-21) |
| April 2, 2018 | AGIO | S 10b5-1 | 2,600 | $76.40 | $198,640 | 8,843 Direct | -22.72% | Disposed | -55.8% (price as of 2026-08-21) |
| April 2, 2018 | AGIO | S 10b5-1 | 1,557 | $75.54 | $117,616 | 11,443 Direct | -11.98% | Disposed | -55.3% (price as of 2026-08-21) |
| March 1, 2018 | AGIO | S 10b5-1 | 10,085 | $81.30 | $819,910 | 0 Direct | -100.00% | Disposed | -58.4% (price as of 2026-08-21) |
| March 1, 2018 | AGIO | S 10b5-1 | 2,915 | $80.38 | $234,308 | 10,085 Direct | -22.42% | Disposed | -58.0% (price as of 2026-08-21) |
| Feb. 1, 2018 | AGIO | S 10b5-1 | 4,460 | $79.23 | $353,366 | 0 Direct | -100.00% | Disposed | -57.4% (price as of 2026-08-21) |
| Feb. 1, 2018 | AGIO | S 10b5-1 | 8,540 | $78.50 | $670,390 | 4,460 Direct | -65.69% | Disposed | -57.0% (price as of 2026-08-21) |
| Jan. 26, 2018 | AGIO | S 10b5-1 | 9,237 | $80.35 | $742,193 | 14,335 Direct | -39.19% | Disposed | -57.9% (price as of 2026-08-21) |
| Jan. 26, 2018 | AGIO | S 10b5-1 | 11,369 | $81.40 | $925,437 | 2,966 Direct | -79.31% | Disposed | -58.5% (price as of 2026-08-21) |
| Jan. 26, 2018 | AGIO | S 10b5-1 | 2,966 | $82.22 | $243,865 | 0 Direct | -100.00% | Disposed | -58.9% (price as of 2026-08-21) |
| Jan. 24, 2018 | AGIO | S 10b5-1 | 20 | $80.01 | $1,600 | 0 Direct | -100.00% | Disposed | -57.8% (price as of 2026-08-21) |
| Jan. 24, 2018 | AGIO | S 10b5-1 | 13,533 | $80.01 | $1,082,775 | 0 Direct | -100.00% | Disposed | -57.8% (price as of 2026-08-21) |
| Jan. 23, 2018 | AGIO | S 10b5-1 | 32,875 | $80.01 | $2,630,329 | 0 Direct | -100.00% | Disposed | -57.8% (price as of 2026-08-21) |
| Jan. 16, 2018 | AGIO | S 10b5-1 | 6,597 | $74.80 | $493,456 | 0 Direct | -100.00% | Disposed | -54.8% (price as of 2026-08-21) |
| Jan. 16, 2018 | AGIO | S 10b5-1 | 10,914 | $74.11 | $808,837 | 6,597 Direct | -62.33% | Disposed | -54.4% (price as of 2026-08-21) |
| Jan. 16, 2018 | AGIO | S 10b5-1 | 22,304 | $73.02 | $1,628,638 | 17,511 Direct | -56.02% | Disposed | -53.7% (price as of 2026-08-21) |
| Jan. 16, 2018 | AGIO | S 10b5-1 | 13,185 | $71.77 | $946,287 | 39,815 Direct | -24.88% | Disposed | -52.9% (price as of 2026-08-21) |
Showing latest 100 of 223 transactions
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 |
|---|---|---|---|---|---|---|---|
| Sept. 8, 2023 | REGN | Non-Qualified Stock Option (right to buy) | Common Stock (2,739) | $833.23 | Sept. 8, 2033 | 2,739 | Acquired |
| June 2, 2021 | DNLI | Stock Option (right to buy) | Common Stock (6,222) | $63.76 | June 2, 2031 | 6,222 | Acquired |
| June 1, 2021 | DNLI | Restricted Stock Units | Common Stock (3,253) | — | — | 3,253 | Disposed |
| June 3, 2020 | DNLI | Stock Option (right to buy) | Common Stock (15,183) | $28.82 | June 2, 2030 | 15,183 | Acquired |
| June 3, 2020 | DNLI | Restricted Stock Units | Common Stock (3,253) | — | — | 3,253 | Acquired |
| May 30, 2019 | DNLI | Stock Option (right to buy) | Common Stock (27,245) | $19.50 | May 29, 2029 | 27,245 | Acquired |
| Feb. 22, 2019 | AGIO | Restricted stock units | Common stock (8,324) | — | — | 8,324 | Acquired |
| Feb. 22, 2019 | AGIO | Stock option (right to buy) | Common stock (45,719) | $58.86 | Feb. 22, 2029 | 45,719 | Acquired |
| Feb. 16, 2019 | AGIO | Restricted stock units | Common stock (8,125) | — | — | 8,125 | Disposed |
| Sept. 10, 2018 | AGIO | Stock option (right to buy) | Common stock (8,730) | $31.64 | March 4, 2024 | 8,730 | Disposed |
| Sept. 5, 2018 | AGIO | Stock option (right to buy) | Common stock (2,500) | $31.64 | March 4, 2024 | 2,500 | Disposed |
| Sept. 5, 2018 | AGIO | Stock option (right to buy) | Common stock (72,619) | $2.34 | April 5, 2022 | 72,619 | Disposed |
| June 13, 2018 | DNLI | Stock Option (right to buy) | Common Stock (27,830) | $18.92 | June 12, 2028 | 27,830 | Acquired |
| June 1, 2018 | AGIO | Stock option (right to buy) | Common stock (108) | $2.34 | April 5, 2022 | 108 | Disposed |
| June 1, 2018 | AGIO | Stock option (right to buy) | Common stock (12,892) | $0.47 | March 1, 2021 | 12,892 | Disposed |
| May 30, 2018 | AGIO | Stock option (right to buy) | Common stock (23,471) | $0.47 | March 1, 2021 | 23,471 | Disposed |
| May 30, 2018 | AGIO | Stock option (right to buy) | Common stock (16,193) | $0.30 | Aug. 12, 2019 | 16,193 | Disposed |
| May 30, 2018 | AGIO | Stock option (right to buy) | Common stock (5,962) | $0.30 | Aug. 12, 2019 | 5,962 | Disposed |
| May 23, 2018 | AGIO | Stock option (right to buy) | Common stock (49,374) | $0.30 | Aug. 12, 2019 | 49,374 | Disposed |
| May 1, 2018 | AGIO | Stock option (right to buy) | Common stock (13,000) | $0.30 | Aug. 12, 2019 | 13,000 | Disposed |
| April 2, 2018 | AGIO | Stock option (right to buy) | Common stock (13,000) | $0.30 | Aug. 12, 2019 | 13,000 | Disposed |
| March 1, 2018 | AGIO | Stock option (right to buy) | Common stock (13,000) | $0.30 | Aug. 12, 2019 | 13,000 | Disposed |
| Feb. 16, 2018 | AGIO | Restricted stock units | Common stock (24,375) | — | — | 24,375 | Acquired |
| Feb. 16, 2018 | AGIO | Stock option (right to buy) | Common stock (97,500) | $77.70 | Feb. 15, 2028 | 97,500 | Acquired |
| Feb. 1, 2018 | AGIO | Stock option (right to buy) | Common stock (13,000) | $0.30 | Aug. 12, 2019 | 13,000 | Disposed |
| Jan. 26, 2018 | AGIO | Stock option (right to buy) | Common stock (23,572) | $0.30 | Aug. 12, 2019 | 23,572 | Disposed |
| Jan. 24, 2018 | AGIO | Stock option (right to buy) | Common stock (20) | $0.30 | Aug. 12, 2019 | 20 | Disposed |
| Jan. 24, 2018 | AGIO | Stock option (right to buy) | Common stock (13,533) | $0.30 | Aug. 12, 2019 | 13,533 | Disposed |
| Jan. 23, 2018 | AGIO | Stock option (right to buy) | Common stock (32,875) | $0.30 | Aug. 12, 2019 | 32,875 | Disposed |
| Jan. 16, 2018 | AGIO | Stock option (right to buy) | Common stock (53,000) | $0.30 | Aug. 12, 2019 | 53,000 | Disposed |
| Dec. 12, 2017 | DNLI | Series A-1 Preferred Stock | Common Stock (19,774) | — | — | 19,774 | Disposed |
| Dec. 12, 2017 | DNLI | Series A-1 Preferred Stock | Common Stock (105,225) | — | — | 105,225 | Disposed |
| Dec. 12, 2017 | DNLI | Series A-1 Preferred Stock | Common Stock (19,774) | — | — | 19,774 | Disposed |
| Dec. 12, 2017 | DNLI | Series A-1 Preferred Stock | Common Stock (105,225) | — | — | 105,225 | Disposed |
| Dec. 7, 2017 | DNLI | Stock Option (right to buy) | Common Stock (47,165) | $18.00 | Dec. 6, 2027 | 47,165 | Acquired |
| Dec. 1, 2017 | AGIO | Stock option (right to buy) | Common stock (6,000) | $0.30 | Aug. 12, 2019 | 6,000 | Disposed |
| Dec. 1, 2017 | AGIO | Stock option (right to buy) | Common stock (6,000) | $0.30 | Aug. 12, 2019 | 6,000 | Disposed |
| Nov. 1, 2017 | AGIO | Stock option (right to buy) | Common stock (6,000) | $0.30 | Aug. 12, 2019 | 6,000 | Disposed |
| Oct. 4, 2017 | AGIO | Stock option (right to buy) | Common stock (80,000) | $0.30 | Aug. 12, 2019 | 80,000 | Disposed |
| Oct. 2, 2017 | AGIO | Stock option (right to buy) | Common stock (6,000) | $0.30 | Aug. 12, 2019 | 6,000 | Disposed |
| Sept. 18, 2017 | AGIO | Stock option (right to buy) | Common stock (35,000) | $0.30 | Aug. 12, 2019 | 35,000 | Disposed |
| Sept. 1, 2017 | AGIO | Stock option (right to buy) | Common stock (6,000) | $0.30 | Aug. 12, 2019 | 6,000 | Disposed |
| Aug. 2, 2017 | AGIO | Stock option (right to buy) | Common stock (24,000) | $0.30 | Aug. 12, 2019 | 24,000 | Disposed |
| Aug. 1, 2017 | AGIO | Stock option (right to buy) | Common stock (3,000) | $0.30 | Aug. 12, 2019 | 3,000 | Disposed |
| July 3, 2017 | AGIO | Stock option (right to buy) | Common stock (3,000) | $0.30 | Aug. 12, 2019 | 3,000 | Disposed |
| June 7, 2017 | AGIO | Stock option (right to buy) | Common stock (1,900) | $0.30 | Aug. 12, 2019 | 1,900 | Disposed |
| June 6, 2017 | AGIO | Stock option (right to buy) | Common stock (1,100) | $0.30 | Aug. 12, 2019 | 1,100 | Disposed |
| May 1, 2017 | AGIO | Stock option (right to buy) | Common stock (3,000) | $0.30 | Aug. 12, 2019 | 3,000 | Disposed |
| April 3, 2017 | AGIO | Stock option (right to buy) | Common stock (3,000) | $0.30 | Aug. 12, 2019 | 3,000 | Disposed |
| March 1, 2017 | AGIO | Stock option (right to buy) | Common stock (3,000) | $0.30 | Aug. 12, 2019 | 3,000 | Disposed |
| Feb. 21, 2017 | AGIO | Stock option (right to buy) | Common stock (142,900) | $50.40 | Feb. 20, 2027 | 142,900 | Acquired |
| Feb. 16, 2017 | AGIO | Stock option (right to buy) | Common stock (6,000) | $0.30 | Aug. 12, 2019 | 6,000 | Disposed |
| Jan. 26, 2017 | AGIO | Stock option (right to buy) | Common stock (68,182) | $9.05 | April 29, 2023 | 68,182 | Acquired |
| Feb. 16, 2016 | AGIO | Stock option (right to buy) | Common stock (997,501) | $39.76 | Feb. 15, 2026 | 102,000 | Acquired |
| Jan. 7, 2016 | AGIO | Stock option (right to buy) | Common stock (20,000) | $0.30 | Aug. 12, 2019 | 20,000 | Disposed |
| Jan. 5, 2016 | AGIO | Stock option (right to buy) | Common stock (10,000) | $0.30 | Aug. 12, 2019 | 10,000 | Disposed |
| Jan. 4, 2016 | AGIO | Stock option (right to buy) | Common stock (10,000) | $0.30 | Aug. 12, 2019 | 10,000 | Disposed |
| Dec. 3, 2015 | AGIO | Stock option (right to buy) | Common stock (68,181) | $9.05 | April 29, 2023 | 68,181 | Acquired |
| Oct. 27, 2015 | AGIO | Stock option (right to buy) | Common stock (4,000) | $31.64 | March 4, 2024 | 4,000 | Disposed |
| Aug. 3, 2015 | AGIO | Stock option (right to buy) | Common stock (7,299) | $31.64 | March 4, 2024 | 7,299 | Disposed |
| Aug. 3, 2015 | AGIO | Stock option (right to buy) | Common stock (701) | $0.30 | Aug. 12, 2019 | 701 | Disposed |
| May 7, 2015 | AGIO | Stock option (right to buy) | Common stock (10,000) | $0.30 | Aug. 12, 2019 | 10,000 | Disposed |
| March 2, 2015 | AGIO | Stock option (right to buy) | Common stock (136,000) | $107.89 | March 1, 2025 | 136,000 | Acquired |
| Feb. 27, 2015 | AGIO | Stock option (right to buy) | Common stock (25,000) | $0.30 | Aug. 12, 2019 | 25,000 | Disposed |
| Oct. 1, 2014 | AGIO | Stock option (right to buy) | Common stock (2,500) | $0.30 | Aug. 12, 2019 | 2,500 | Disposed |
| Sept. 26, 2014 | AGIO | Stock option (right to buy) | Common stock (30,000) | $0.30 | Aug. 12, 2019 | 30,000 | Disposed |
| Sept. 2, 2014 | AGIO | Stock option (right to buy) | Common stock (6,500) | $0.30 | Aug. 12, 2019 | 6,500 | Disposed |
| April 4, 2014 | AGIO | Stock option (right to buy) | Common stock (54,546) | $2.34 | April 5, 2022 | 54,546 | Acquired |
| March 25, 2014 | AGIO | Stock Option (Right to Buy) | Common Stock (25,000) | $0.30 | Aug. 12, 2019 | 25,000 | Disposed |
| March 10, 2014 | AGIO | Stock Option (Right to Buy) | Common Stock (54,000) | $0.30 | Aug. 12, 2019 | 54,000 | Disposed |
| March 5, 2014 | AGIO | Stock Option (Right to Buy) | Common Stock (160,000) | $31.64 | March 4, 2024 | 160,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 11 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 7, 2017 | DNLI | Common Stock | 75,000 | Direct |
| Dec. 7, 2017 | DNLI | Series A-1 Preferred Stock→ Common Stock (105,225) | 105,225 | Indirect |
| Dec. 7, 2017 | DNLI | Series A-1 Preferred Stock→ Common Stock (19,774) | 19,774 | Indirect |
| Dec. 7, 2017 | DNLI | Series A-1 Preferred Stock→ Common Stock (105,225) | 105,225 | Indirect |
| Dec. 7, 2017 | DNLI | Series A-1 Preferred Stock→ Common Stock (19,774) | 19,774 | Indirect |
| July 23, 2013 | AGIO | Common Stock | — | Indirect |
| July 23, 2013 | AGIO | Common Stock | — | Indirect |
| July 23, 2013 | AGIO | Stock Option (right to buy)→ Common Stock | — | Direct |
| July 23, 2013 | AGIO | Stock Option (right to buy)→ Common Stock | — | Direct |
| July 23, 2013 | AGIO | Stock Option (right to buy)→ Common Stock | — | Direct |
| July 23, 2013 | AGIO | Stock Option (right to buy)→ Common Stock | — | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2018 | $625,000 | — | — | — | $507,813 | — | $12,448 | $8,199,324 |
| 2017 | $585,040 | — | — | — | $456,300 | — | $9,548 | $5,972,364 |
| 2016 | $568,000 | — | — | — | $340,800 | — | $9,928 | $3,500,779 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.