David R. Horn

CIK 1834217 · View on SEC EDGAR ↗

Insider

First SEC filing: Dec. 3, 2020 · Latest: Dec. 3, 2020

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Insider at

Insider transactions

1 buys (P) 1 sells (S) Net: $32,663 + 38 non-open-market transactions below Avg return of open purchases vs now: -10.9% 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

38 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 18, 2026 SEER S 7,309 $2.03 $14,837 486,650 Direct -1.48% Disposed 0.2% (price as of 2026-08-21)
Aug. 14, 2026 FOCL P 10,000 $4.75 $47,500 10,000 Direct — Acquired -10.9% (price as of 2026-08-21)
Aug. 20, 2025 SEER S 6,827 $2.04 $13,927 436,802 Direct -1.54% Disposed -0.2% (price as of 2026-08-21)
May 20, 2025 SEER S 6,760 $2.08 $14,061 443,629 Direct -1.50% Disposed -2.2% (price as of 2026-08-21)
Feb. 4, 2025 SEER S 3,550 $2.24 $7,952 476,961 Direct -0.74% Disposed -9.2% (price as of 2026-08-21)
Feb. 22, 2024 SEER S 12,684 $1.58 $20,041 480,511 Direct -2.57% Disposed 28.8% (price as of 2026-08-21)
Feb. 5, 2024 SEER S 3,608 $1.67 $6,025 328,157 Direct -1.09% Disposed 21.9% (price as of 2026-08-21)
Feb. 21, 2023 SEER S 5,951 $4.13 $24,578 331,765 Direct -1.76% Disposed -50.7% (price as of 2026-08-21)
Feb. 7, 2023 SEER S 3,124 $5.40 $16,870 267,716 Direct -1.15% Disposed -62.3% (price as of 2026-08-21)
Jan. 17, 2023 SEER S 2,602 $5.12 $13,322 270,840 Direct -0.95% Disposed -60.3% (price as of 2026-08-21)
Dec. 8, 2022 SEER S 18,884 $6.57 $124,068 273,442 Direct -6.46% Disposed -69.0% (price as of 2026-08-21)
Feb. 2, 2022 SEER S 2,944 $17.40 $51,226 229,158 Direct -1.27% Disposed -88.3% (price as of 2026-08-21)
Jan. 3, 2022 SEER S 2,308 $22.81 $52,645 232,102 Direct -0.98% Disposed -91.1% (price as of 2026-08-21)
Dec. 6, 2021 SEER S 26,273 $20.26 $532,291 205,592 Direct -11.33% Disposed -90.0% (price as of 2026-08-21)
Nov. 1, 2021 SEER S 10b5-1 3,888 $38.28 $148,833 230,966 Direct -1.66% Disposed -94.7% (price as of 2026-08-21)
Nov. 1, 2021 SEER S 10b5-1 6,112 $37.46 $228,956 234,854 Direct -2.54% Disposed -94.6% (price as of 2026-08-21)
Oct. 1, 2021 SEER S 10b5-1 5,036 $34.27 $172,584 230,966 Direct -2.13% Disposed -94.1% (price as of 2026-08-21)
Oct. 1, 2021 SEER S 10b5-1 4,964 $33.42 $165,897 236,002 Direct -2.06% Disposed -93.9% (price as of 2026-08-21)
Sept. 1, 2021 SEER S 10b5-1 701 $39.99 $28,033 230,966 Direct -0.30% Disposed -94.9% (price as of 2026-08-21)
Sept. 1, 2021 SEER S 10b5-1 9,299 $39.54 $367,682 231,667 Direct -3.86% Disposed -94.9% (price as of 2026-08-21)
Aug. 2, 2021 SEER S 10b5-1 2,097 $31.52 $66,097 230,966 Direct -0.90% Disposed -93.5% (price as of 2026-08-21)
Aug. 2, 2021 SEER S 10b5-1 7,903 $31.11 $245,862 233,063 Direct -3.28% Disposed -93.5% (price as of 2026-08-21)
July 1, 2021 SEER S 10b5-1 2,511 $32.63 $81,934 230,966 Direct -1.08% Disposed -93.8% (price as of 2026-08-21)
July 1, 2021 SEER S 10b5-1 2,500 $31.63 $79,075 233,477 Direct -1.06% Disposed -93.6% (price as of 2026-08-21)
July 1, 2021 SEER S 10b5-1 4,989 $30.51 $152,214 235,977 Direct -2.07% Disposed -93.3% (price as of 2026-08-21)
June 2, 2021 SEER S 10b5-1 10,000 $30.10 $301,000 230,966 Direct -4.15% Disposed -93.2% (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
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (140,000) $2.00 Feb. 15, 2030 140,000 Acquired
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (140,000) $4.59 Feb. 15, 2030 140,000 Disposed
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (124,000) $2.00 Feb. 8, 2032 124,000 Acquired
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (124,000) $16.61 Feb. 8, 2032 124,000 Disposed
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (34,125) $2.00 Jan. 31, 2031 34,125 Acquired
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (34,125) $60.15 Jan. 31, 2031 34,125 Disposed
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (135,100) $2.00 Dec. 2, 2030 135,100 Acquired
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (135,100) $19.00 Dec. 2, 2030 135,100 Disposed
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (20) $2.00 Aug. 21, 2030 20 Acquired
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (20) $3.47 Aug. 21, 2030 20 Disposed
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (87) $2.00 Aug. 21, 2030 87 Acquired
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (87) $2.70 Aug. 21, 2030 87 Disposed
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (140,662) $2.00 July 28, 2030 140,662 Acquired
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (140,662) $3.47 July 28, 2030 140,662 Disposed
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (566,460) $2.00 April 1, 2030 566,460 Acquired
Oct. 4, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (566,460) $2.70 April 1, 2030 566,460 Disposed
Feb. 6, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (142,557) $1.77 Feb. 6, 2034 142,557 Acquired
Feb. 6, 2024 SEER Employee Stock Option (right to buy) Class A Common Stock (140,000) $1.77 Feb. 6, 2034 140,000 Acquired
Feb. 15, 2023 SEER Employee Stock Option (right to buy) Class A Common Stock (140,000) $4.59 Feb. 15, 2033 140,000 Acquired
Feb. 8, 2022 SEER Employee Stock Option (right to buy) Class A Common Stock (124,000) $16.61 Feb. 8, 2032 124,000 Acquired
Dec. 7, 2021 SEER Employee Stock Option (right to buy) Class A Common Stock (28,818) $3.47 July 28, 2030 28,818 Disposed
Nov. 1, 2021 SEER Employee Stock Option (right to buy) Class A Common Stock (10,000) $2.70 April 1, 2030 10,000 Disposed
Oct. 1, 2021 SEER Employee Stock Option (right to buy) Class A Common Stock (10,000) $2.70 April 1, 2030 10,000 Disposed
Sept. 1, 2021 SEER Employee Stock Option (right to buy) Class A Common Stock (10,000) $2.70 April 1, 2030 10,000 Disposed
Aug. 2, 2021 SEER Employee Stock Option (right to buy) Class A Common Stock (10,000) $2.70 April 1, 2030 10,000 Disposed
July 1, 2021 SEER Employee Stock Option (right to buy) Class A Common Stock (10,000) $2.70 April 1, 2030 10,000 Disposed
June 2, 2021 SEER Employee Stock Option (right to buy) Class A Common Stock (10,000) $2.70 April 1, 2030 10,000 Disposed

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

Initial ownership (Form 3) 3 holdings

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

Date Ticker Security Shares Ownership
Dec. 3, 2020 SEER Class A Common Stock 84,112 Direct
Dec. 3, 2020 SEER Employee Stock Option (right to buy)→ Class A Common Stock (626,547) 626,547 Direct
Dec. 3, 2020 SEER Employee Stock Option (right to buy)→ Class A Common Stock (169,500) 169,500 Direct

Compensation (DEF 14A)

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

SEER

CFO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2023 $461,250 — $321,300 $467,460 $197,886 — $2,500 $1,450,396
2022 $427,166 — $1,029,820 $1,302,050 $163,715 — $2,500 $2,925,251
2021 $389,982 — $2,052,619 $1,275,442 $162,199 — — $3,880,242

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